Netscout SystemsNTCT
13F holders, Q3 2025 (September 30)244holders +4
28new positions
23sold out
7famous investors
$25.83avg. 13F price*
At the end of Q3 2025, 244 institutions reported holding Netscout Systems Inc. (NTCT) in their 13F filings, up 4 from Q2 2025. 28 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($288.9M), Vanguard Group Inc. ($239.1M) and Legal & General Group Plc ($111.1M). 7 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ray Dalio (0.0% of Bridgewater Associates's portfolio).
- Company
- Netscout Systems Inc.
- CUSIP
- 64115T104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $51.1M |
| Exits | 23 | $18.4M |
All 13F filers, Q2 2025 → Q3 2025: 6,916,481 shares bought and 5,900,797 shares sold, net +1,015,684 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 244 holders
| BlackRock, Inc. | 0.01% | Reduce -2.9% | 11,185,949 | $288.9M |
| Vanguard Group Inc. | 0.00% | Reduce -0.6% | 9,257,058 | $239.1M |
| Legal & General Group Plc | 0.02% | Reduce -4.1% | 4,299,923 | $111.1M |
| Dimensional Fund Advisors LP | 0.02% | Reduce -0.7% | 4,038,362 | $104.3M |
| State Street Corp. | 0.00% | Reduce -0.5% | 3,014,002 | $77.9M |
| Geode Capital Management, LLC | 0.00% | Add +2.9% | 1,809,252 | $46.7M |
| First Trust Advisors LP | 0.03% | Add +2.0% | 1,790,101 | $46.2M |
| LSV Asset Management | 0.10% | Add +39.5% | 1,700,014 | $43.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.5% | 1,130,828 | $29.2M |
| Allianz Asset Management GmbH | 0.03% | Add +21.6% | 1,000,552 | $25.8M |
| AQR Capital Management | 0.02% | Add +32.9% | 962,650 | $24.7M |
| Morgan Stanley | 0.00% | Reduce -14.7% | 954,928 | $24.7M |
| Robeco Institutional Asset Management B.V. | 0.03% | Add +51.7% | 805,350 | $20.8M |
| Northern Trust Corp. | 0.00% | Reduce -1.9% | 771,580 | $19.9M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.06% | Reduce -7.1% | 760,923 | $19.7M |
| Millennium Management | 0.02% | Add +1361.1% | 747,824 | $19.3M |
| Barclays PLC | 0.01% | Reduce -2.9% | 722,799 | $18.7M |
| Wellington Management Group LLP | 0.00% | New | 622,953 | $16.1M |
| Impax Asset Management Group plc | 0.09% | No change | 580,000 | $15.0M |
| Nuveen, LLC | 0.00% | Add +12.3% | 571,739 | $14.8M |
| Ameriprise Financial Inc. | 0.00% | Reduce -2.6% | 563,607 | $14.6M |
| Bridgeway Capital Management, LLC | 0.31% | Add +177.6% | 563,470 | $14.6M |
| Assenagon Asset Management S.A. | 0.02% | Reduce -48.3% | 554,039 | $14.3M |
| Prudential Financial Inc. | 0.02% | Add +5.3% | 502,984 | $13.0M |
| Lazard Asset Management LLC | 0.02% | Add +82.3% | 485,560 | $12.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.3% | 472,435 | $12.2M |
| Marshall Wace, LLP | 0.01% | Add +310.4% | 468,214 | $12.1M |
| Acadian Asset Management LLC | 0.02% | Reduce -26.1% | 450,859 | $11.6M |
| Pacer Advisors, Inc. | 0.03% | Reduce -13.0% | 449,318 | $11.6M |
| Deutsche Bank AG | 0.00% | Reduce -5.4% | 432,557 | $11.2M |
| Alyeska Investment Group, L.P. | 0.03% | New | 398,456 | $10.3M |
| Penserra Capital Management LLC | 0.12% | Add +0.8% | 398,387 | $10.3M |
| Victory Capital Management Inc. | 0.01% | Add +55.2% | 397,705 | $10.3M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -27.5% | 387,718 | $10.0M |
| D. E. Shaw & Co. | 0.01% | Reduce -38.0% | 386,135 | $10.0M |
| Jupiter Asset Management Ltd. | 0.08% | Add +572.3% | 377,347 | $9.7M |
| JPMorgan Chase & Co. | 0.00% | Add +65.8% | 343,551 | $8.9M |
| Principal Financial Group Inc. | 0.00% | Reduce -6.7% | 329,780 | $8.5M |
| Public Sector Pension Investment Board | 0.03% | Add +27.4% | 309,736 | $8.0M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +18.0% | 301,452 | $7.8M |
| Man Group plc | 0.02% | Add +5.0% | 298,889 | $7.7M |
| Invesco Ltd. | 0.00% | Reduce -12.4% | 282,033 | $7.3M |
| Hillsdale Investment Management Inc. | 0.22% | Add +78.3% | 281,695 | $7.3M |
| FMR LLC | 0.00% | Add +12.8% | 268,038 | $6.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -77.4% | 259,986 | $6.7M |
| Two Sigma Investments, LP | 0.01% | Reduce -13.8% | 227,937 | $5.9M |
| Rhumbline Advisers | 0.00% | Reduce -0.6% | 210,420 | $5.4M |
| First Eagle Investment Management, LLC | 0.01% | Add +1.4% | 209,202 | $5.4M |
| Sei Investments Co. | 0.01% | Reduce -11.0% | 208,462 | $5.4M |
| Two Sigma Advisers, LP | 0.01% | Reduce -30.0% | 201,500 | $5.2M |
| Skandinaviska Enskilda Banken AB (publ) | 0.02% | New | 197,800 | $5.1M |
| Voloridge Investment Management, LLC | 0.02% | Add +29.9% | 195,896 | $5.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +198.1% | 193,524 | $5.0M |
| Empowered Funds, LLC | 0.05% | New | 189,670 | $4.9M |
| Mackenzie Financial Corp. | 0.01% | Add +23.6% | 189,231 | $4.9M |
| Royal Bank of Canada | 0.00% | Reduce -70.7% | 187,528 | $4.8M |
| Bank of America Corp. | 0.00% | Reduce -43.2% | 186,472 | $4.8M |
| American Century Companies Inc. | 0.00% | Add +27.8% | 175,372 | $4.5M |
| UBS Group AG | 0.00% | Add +31.3% | 167,870 | $4.3M |
| Federated Hermes, Inc. | 0.01% | Add +0.9% | 162,872 | $4.2M |
| AXA Investment Managers S.A. | 0.01% | — | 144,582 | $3.7M |
| BNP Paribas Financial Markets | 0.00% | Reduce -11.5% | 140,644 | $3.6M |
| Swiss National Bank | 0.00% | Add +0.9% | 138,328 | $3.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -51.3% | 136,307 | $3.5M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.23% | Add +1.9% | 133,890 | $3.5M |
| Algert Global LLC | 0.06% | Reduce -37.8% | 133,440 | $3.4M |
| Teacher Retirement System of Texas | 0.01% | Add +30.3% | 125,825 | $3.3M |
| Leuthold Group, LLC | 0.35% | New | 123,840 | $3.2M |
| Martingale Asset Management L P | 0.08% | Reduce -11.7% | 123,681 | $3.2M |
| Jane Street Group, LLC | 0.00% | Add +199.1% | 121,498 | $3.1M |
| Verition Fund Management LLC | 0.02% | Add +136.2% | 115,946 | $3.0M |
| Bridgewater Associates | 0.01% | New | 114,631 | $3.0M |
| Citadel Advisors | 0.00% | Reduce -71.0% | 113,749 | $2.9M |
| Russell Investments Group, Ltd. | 0.00% | Add +2.9% | 111,854 | $2.9M |
| Gabelli Funds LLC | 0.02% | No change | 103,728 | $2.7M |
| Ieq Capital, LLC | 0.01% | Add +47.0% | 101,908 | $2.6M |
| Segall Bryant & Hamill, LLC | 0.04% | Add +36.1% | 101,711 | $2.6M |
| Wedge Capital Management L L P | 0.04% | Add +42.6% | 98,185 | $2.5M |
| Susquehanna International Group, LLP | 0.00% | Reduce -0.6% | 93,541 | $2.4M |
| Citigroup Inc. | 0.00% | Reduce -30.5% | 92,997 | $2.4M |
| Nisa Investment Advisors, LLC | 0.01% | Reduce -15.2% | 90,621 | $2.3M |
| Clark Estates Inc. | 0.52% | No change | 88,912 | $2.3M |
| HSBC Holdings PLC | 0.00% | Reduce -23.3% | 87,296 | $2.2M |
| Alliancebernstein L.P. | 0.00% | Reduce -0.2% | 85,535 | $2.2M |
| Rodgers Brothers Inc. | 0.25% | Reduce -0.2% | 79,775 | $2.1M |
| Balyasny Asset Management L.P. | 0.00% | Add +84.3% | 78,421 | $2.0M |
| New York State Teachers Retirement System | 0.00% | Reduce -1.9% | 76,007 | $2.0M |
| Wells Fargo & Company | 0.00% | Add +13.2% | 75,921 | $2.0M |
| Empirical Financial Services, LLC d.b.a. Empirical Wealth Management | 0.04% | New | 74,373 | $1.9M |
| Renaissance Technologies | 0.00% | Reduce -15.5% | 71,600 | $1.8M |
| CWA Asset Management Group, LLC | 0.07% | Add +9.8% | 70,654 | $1.8M |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.5% | 67,961 | $1.8M |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 65,834 | $1.7M |
| KLP Kapitalforvaltning As | 0.01% | Add +10.7% | 64,200 | $1.7M |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +180.7% | 61,761 | $1.6M |
| Franklin Resources Inc. | 0.00% | Add +1.7% | 62,120 | $1.6M |
| Creative Planning | 0.00% | Add +29.2% | 61,827 | $1.6M |
| Harber Asset Management LLC | 0.58% | New | 61,000 | $1.6M |
| Voya Investment Management LLC | 0.00% | Reduce -14.4% | 60,871 | $1.6M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -1.5% | 58,413 | $1.5M |
| HRT Financial LP | 0.01% | Add +258.7% | 56,764 | $1.5M |
| Royce & Associates LP | 0.01% | Add +0.5% | 53,696 | $1.4M |
| AlphaQuest LLC | 0.08% | Add +604.8% | 50,255 | $1.3M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -6.1% | 49,260 | $1.3M |
| WINTON GROUP Ltd | 0.05% | Add +202.6% | 49,032 | $1.3M |
| Amundi | 0.00% | Add +2.8% | 47,266 | $1.3M |
| Exchange Traded Concepts, LLC | 0.01% | New | 48,097 | $1.2M |
| Comerica Bank | 0.00% | Add +14.3% | 47,004 | $1.2M |
| Caxton Associates LLP | 0.03% | Add +132.3% | 45,566 | $1.2M |
| Cwm, LLC | 0.00% | Add +81.3% | 45,084 | $1.2M |
| Panagora Asset Management Inc. | 0.00% | Add +256.1% | 44,559 | $1.2M |
| Elo Mutual Pension Insurance Co | 0.02% | Add +187.3% | 43,199 | $1.1M |
| Integrated Quantitative Investments LLC | 0.31% | Add +0.1% | 42,543 | $1.1M |
| MetLife Investment Management, LLC | 0.01% | No change | 41,312 | $1.1M |
| Intech Investment Management LLC | 0.01% | Add +36.1% | 39,400 | $1.0M |
| Mariner, LLC | 0.00% | Add +93.8% | 38,801 | $1.0M |
| State of Alaska, Department of Revenue | 0.01% | Reduce -11.4% | 37,593 | $970K |
| Illinois Municipal Retirement Fund | 0.01% | No change | 36,964 | $955K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -5.8% | 34,863 | $901K |
| Gotham Asset Management | 0.00% | Add +20.1% | 33,299 | $860K |
| Y-Intercept (Hong Kong) Ltd | 0.02% | Add +143.2% | 33,076 | $854K |
| STRS Ohio | 0.00% | Add +1.9% | 32,700 | $845K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -15.6% | 32,379 | $836K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | New | 32,150 | $830K |
| Louisiana State Employees Retirement System | 0.01% | Reduce -5.7% | 31,400 | $811K |
| Janus Henderson Group PLC | 0.00% | No change | 31,251 | $808K |
| Horizon Investments, LLC | 0.01% | Add +43.5% | 30,999 | $801K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -26.3% | 29,775 | $769K |
| Captrust Financial Advisors | 0.00% | Add +8.0% | 28,846 | $745K |
| Cerity Partners LLC | 0.00% | Add +153.8% | 28,292 | $731K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 23,258 | $601K |
| New York State Common Retirement Fund | 0.00% | No change | 23,176 | $599K |
| State of Wyoming | 0.07% | Add +813.8% | 23,037 | $595K |
| Tidal Investments LLC | 0.00% | Add +0.1% | 22,441 | $580K |
| Vident Advisory, LLC | 0.01% | Add +17.0% | 22,159 | $572K |
| Sterling Capital Management LLC | 0.01% | Add +15.4% | 21,974 | $568K |
| Arizona State Retirement System | 0.00% | Add +0.7% | 21,072 | $544K |
| Yousif Capital Management, LLC | 0.01% | Reduce -20.7% | 21,068 | $544K |
| Brevan Howard Capital Management LP | 0.01% | Add +17.7% | 20,921 | $540K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +26.2% | 20,149 | $523K |
| Teachers Retirement System of the State of Kentucky | 0.00% | Reduce -0.3% | 20,125 | $520K |
| Headlands Technologies LLC | 0.04% | Reduce -10.4% | 19,544 | $505K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 19,479 | $503K |
| Amalgamated Bank | 0.00% | Reduce -4.1% | 19,405 | $501K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +19.6% | 19,375 | $500K |
| Arax Advisory Partners | 0.01% | Add +1867.9% | 18,951 | $490K |
| NorthCrest Asset Manangement, LLC | 0.01% | Add +67.7% | 17,588 | $457K |
| Envestnet Asset Management Inc. | 0.00% | Add +6.0% | 17,649 | $456K |
| Inspire Investing, LLC | 0.04% | Reduce -65.8% | 17,606 | $455K |
| Mercer Global Advisors Inc. | 0.00% | New | 17,606 | $455K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -5.0% | 17,389 | $449K |
| iSAM Funds (UK) Ltd | 0.09% | New | 17,260 | $446K |
| Jump Financial, LLC | 0.01% | Reduce -83.2% | 17,200 | $444K |
| SG Americas Securities, LLC | 0.00% | Add +47.3% | 16,996 | $439K |
| Oregon Public Employees Retirement Fund | 0.01% | Reduce -6.1% | 15,359 | $397K |
| Handelsbanken Fonder AB | 0.00% | No change | 15,032 | $388K |
| MQS Management LLC | 0.22% | Add +59.9% | 14,369 | $371K |
| World Investment Advisors | 0.01% | No change | 13,702 | $354K |
| Rafferty Asset Management, LLC | 0.00% | Reduce -38.5% | 13,496 | $349K |
| Susquehanna Fundamental Investments, LLC | 0.01% | New | 13,417 | $347K |
| ProShare Advisors LLC | 0.00% | Reduce -15.9% | 13,150 | $340K |
| XTX Topco Ltd | 0.02% | Reduce -29.8% | 13,042 | $337K |
| Quantinno Capital Management LP | 0.00% | Add +22.8% | 12,953 | $335K |
| HighTower Advisors, LLC | 0.00% | Reduce -77.9% | 12,301 | $318K |
| Freestone Grove Partners LP | 0.00% | New | 11,836 | $306K |
| Magnetar Financial LLC | 0.00% | Reduce -83.3% | 11,680 | $302K |
| Prelude Capital Management, LLC | 0.02% | New | 11,648 | $301K |
| Employees Retirement System of Texas | 0.00% | No change | 11,547 | $298K |
| Pictet Asset Management Holding SA | 0.00% | No change | 10,560 | $273K |
| Edgemoor Investment Advisors, Inc. | 0.02% | No change | 10,011 | $259K |
| Bayesian Capital Management, LP | 0.05% | New | 9,959 | $257K |
| Maryland State Retirement & Pension System | 0.01% | Reduce -53.1% | 9,816 | $254K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 9,783 | $253K |
| Guggenheim Capital LLC | 0.00% | New | 9,675 | $250K |
| New Age Alpha Advisors, LLC | 0.01% | Reduce -2.0% | 9,524 | $246K |
| Ensign Peak Advisors, Inc | 0.00% | Reduce -68.8% | 9,356 | $242K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 8,623 | $223K |
| Inceptionr LLC | 0.05% | New | 8,284 | $214K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -24.6% | 8,191 | $212K |
| CIBC Private Wealth Group LLC | 0.00% | Reduce -98.5% | 6,034 | $156K |
| Ameritas Investment Partners, Inc. | 0.00% | Reduce -18.6% | 5,845 | $151K |
| EMC Capital Management | 0.07% | No change | 5,562 | $144K |
| Migdal Insurance & Financial Holdings Ltd. | 0.00% | No change | 5,000 | $129K |
| Northwestern Mutual Wealth Management Co. | 0.00% | Add +39.8% | 4,265 | $110K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -41.0% | 4,231 | $109K |
| PNC Financial Services Group, Inc. | 0.00% | Add +9.3% | 3,722 | $96K |
| North Ridge Wealth Advisors, Inc. | 0.05% | No change | 3,187 | $82K |
| KBC Group NV | 0.00% | No change | 3,077 | $79K |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 0.02% | Reduce -18.9% | 3,000 | $77K |
| Essential Partners LLC | 0.02% | Add +43.7% | 2,845 | $73K |
| CI Investments Inc. | 0.00% | Add +48.4% | 2,707 | $70K |
| Vestcor Inc | 0.00% | New | 2,505 | $65K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +6.6% | 2,149 | $56K |
| Abich Financial Wealth Management LLC | 0.02% | — | 2,117 | $55K |
| Allworth Financial LP | 0.00% | Add +90.0% | 2,083 | $54K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -0.6% | 1,845 | $48K |
| Ransom Advisory, Ltd | 0.02% | No change | 1,598 | $41K |
| Quadrant Capital Group LLC | 0.00% | New | 1,526 | $39K |
| Covestor Ltd | 0.02% | Reduce -9.3% | 1,518 | $39K |
| Advisory Services Network, LLC | 0.00% | New | 1,361 | $35K |
| GAMMA Investing LLC | 0.00% | Add +5.3% | 1,130 | $29K |
| Ameritas Advisory Services, LLC | 0.00% | No change | 1,097 | $28K |
| US Bancorp \de | 0.00% | Reduce -57.1% | 988 | $26K |
| True Wealth Design, LLC | 0.01% | Add +12.7% | 781 | $20K |
| Danske Bank A/S | 0.00% | No change | 700 | $18K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | No change | 684 | $18K |
| Aster Capital Management (DIFC) Ltd | 0.01% | New | 669 | $17K |
| Farther Finance Advisors, LLC | 0.00% | Add +4.5% | 669 | $17K |
| Nomura Asset Management Co. Ltd. | 0.00% | No change | 600 | $15K |
| Clearstead Advisors, LLC | 0.00% | Add +520.5% | 546 | $14K |
| Parallel Advisors, LLC | 0.00% | Add +11.0% | 536 | $14K |
| MAI Capital Management | 0.00% | Add +112.2% | 520 | $13K |
| WPG Advisers, LLC | 0.01% | Add +92.3% | 477 | $12K |
| Rise Advisors, LLC | 0.00% | No change | 454 | $12K |
| Fifth Third Bancorp | 0.00% | Add +63.7% | 424 | $11K |
| IFP Advisors, Inc | 0.00% | Add +4.6% | 409 | $11K |
| UMB Bank, n.a. | 0.00% | Add +44.1% | 366 | $9K |
| Salomon & Ludwin, LLC | 0.00% | New | 347 | $9K |
| Rockefeller Capital Management L.P. | 0.00% | New | 329 | $8K |
| Versant Capital Management, Inc | 0.00% | No change | 296 | $8K |
| Rothschild Investment LLC | 0.00% | Add +196.5% | 252 | $7K |
| Hantz Financial Services, Inc. | 0.00% | Add +43.8% | 220 | $6K |
| Bessemer Group Inc. | 0.00% | Add +95.8% | 233 | $6K |
| Pacific Center for Financial Services | 0.00% | No change | 220 | $6K |
| Whittier Trust Co. | 0.00% | No change | 200 | $5K |
| Principal Securities, Inc. | 0.00% | No change | 172 | $4K |
| Smartleaf Asset Management LLC | 0.00% | Add +9.7% | 169 | $4K |
| Osaic Holdings, Inc. | 0.00% | Add +0.8% | 134 | $3K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | No change | 116 | $3K |
| Wealthspire Advisors, LLC | 0.00% | New | 113 | $3K |
| Root Financial Partners, LLC | 0.00% | New | 100 | $3K |
| Huntington National Bank | 0.00% | No change | 100 | $3K |
| Jones Financial Companies LLLP | 0.00% | No change | 52 | $1K |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 50 | $1K |
| Picton Mahoney Asset Management | 0.00% | No change | 58 | $1K |
| Private Wealth Management Group, LLC | 0.00% | No change | 32 | $827 |
| Larson Financial Group LLC | 0.00% | Reduce -33.3% | 30 | $775 |
| Parkside Financial Bank & Trust | 0.00% | No change | 24 | $621 |
| Signaturefd, LLC | 0.00% | Add +50.0% | 24 | $620 |
| Annis Gardner Whiting Capital Advisors, LLC | 0.00% | No change | 20 | $517 |
| Abound Wealth Management | 0.00% | No change | 8 | $207 |
| Sunbelt Securities, Inc. | 0.00% | New | 3 | $77 |
| DiNuzzo Private Wealth, Inc. | 0.00% | No change | 2 | $50 |
| Truvestments Capital LLC | 0.00% | No change | 1 | $17 |
"% of holder's portfolio" is NTCT's weight in each manager's 13F, not the share of Netscout Systems Inc. the manager owns.