PenumbraPEN
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 451 institutions reported holding Penumbra Inc. (PEN) in their 13F filings, down 34 from Q1 2026. 36 opened new positions and 68 sold out. The largest holders were BlackRock, Inc. ($1.4B), HBK Investments L P ($580.5M) and Vanguard Capital Management LLC ($539.9M). 9 famous investors held it, including Paul Tudor Jones (0.5% of Tudor Investment Corporation's portfolio), Israel Englander (0.2% of Millennium Management's portfolio) and Ken Griffin (0.1% of Citadel Advisors's portfolio).
- Company
- Penumbra Inc.
- CUSIP
- 70975L107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 36 | $65.1M |
| Exits | 68 | $607.0M |
All 13F filers, Q1 2026 → Q2 2026: 5,383,332 shares bought and 5,766,087 shares sold, net −382,755 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 451 holders
| BlackRock, Inc. | 0.02% | Reduce -0.8% | 4,297,555 | $1.4B |
| HBK Investments L P | 7.48% | Add +12.5% | 1,838,508 | $580.5M |
| Vanguard Capital Management LLC | 0.01% | Add +0.9% | 1,709,877 | $539.9M |
| Vanguard Portfolio Management LLC | 0.02% | Add +0.8% | 1,667,276 | $526.4M |
| State Street Corp. | 0.01% | Add +4.8% | 1,243,258 | $392.6M |
| ExodusPoint Capital Management, LP | 3.19% | Add +134.4% | 1,090,430 | $344.3M |
| Balyasny Asset Management L.P. | 0.65% | Add +43.0% | 1,090,163 | $344.2M |
| JPMorgan Chase & Co. | 0.02% | Add +166.1% | 1,071,454 | $338.6M |
| Goldman Sachs Group Inc. | 0.03% | Add +17.6% | 847,104 | $267.5M |
| Arrowstreet Capital, Limited Partnership | 0.12% | Add +108.6% | 834,903 | $263.6M |
| Geode Capital Management, LLC | 0.01% | Add +0.1% | 796,471 | $251.5M |
| Norges Bank | 0.02% | — | 752,242 | $237.5M |
| UBS Group AG | 0.04% | Add +25.6% | 703,822 | $222.2M |
| Millennium Management | 0.16% | Reduce -36.2% | 700,611 | $221.2M |
| Morgan Stanley | 0.01% | Add +47.5% | 591,824 | $186.9M |
| AQR Arbitrage LLC | 3.06% | Add +33.3% | 563,873 | $178.0M |
| Whitebox Advisors LLC | 8.34% | Add +13.9% | 506,881 | $160.0M |
| Capital World Investors | 0.02% | Add +6.4% | 479,701 | $151.5M |
| Citadel Advisors | 0.08% | Add +121.4% | 448,763 | $141.7M |
| Neuberger Berman Group LLC | 0.09% | Add +44.4% | 438,553 | $138.5M |
| Citigroup Inc. | 0.06% | Reduce -30.3% | 433,125 | $136.8M |
| Two Sigma Investments, LP | 0.11% | Add +635.4% | 428,128 | $135.2M |
| Tudor Investment Corporation | 0.52% | Reduce -2.5% | 400,649 | $126.5M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +6.6% | 343,713 | $108.5M |
| Northern Trust Corp. | 0.01% | Add +3.8% | 333,064 | $105.2M |
| Dimensional Fund Advisors LP | 0.02% | Add +0.1% | 326,120 | $103.0M |
| Alliancebernstein L.P. | 0.03% | Add +33.3% | 301,585 | $99.0M |
| Bank of America Corp. | 0.01% | Add +2.4% | 266,017 | $84.0M |
| Invesco Ltd. | 0.01% | Reduce -51.0% | 263,980 | $83.4M |
| Magnetar Financial LLC | 0.82% | Add +1.8% | 255,841 | $80.8M |
| Vanguard Fiduciary Trust Co. | 0.02% | Add +1.8% | 251,746 | $79.5M |
| Bank of New York Mellon Corp | 0.01% | Reduce -4.5% | 235,328 | $74.3M |
| Champlain Investment Partners, LLC | 1.78% | Reduce -55.4% | 219,032 | $69.2M |
| TIG Advisors, LLC | 3.12% | Add +258.0% | 215,082 | $67.9M |
| LMR Partners LLP | 0.61% | Reduce -27.7% | 213,893 | $67.5M |
| FMR LLC | 0.00% | Reduce -57.5% | 211,002 | $66.6M |
| Hudson Bay Capital Management LP | 0.34% | Reduce -41.8% | 203,138 | $64.1M |
| D. E. Shaw & Co. | 0.04% | Reduce -2.3% | 197,329 | $62.3M |
| Alpine Associates Management Inc. | 3.74% | Add +43.2% | 188,986 | $59.7M |
| Melqart Asset Management (UK) Ltd | 5.58% | Add +127.0% | 185,734 | $58.6M |
| Caxton Associates LLP | 1.06% | Reduce -2.9% | 179,384 | $56.6M |
| Adage Capital Partners Gp, L.L.C. | 0.08% | Add +30.9% | 176,720 | $55.8M |
| Birnam Oak Advisors, LP | 8.84% | Add +78.4% | 171,277 | $54.1M |
| Glazer Capital, LLC | 1.28% | Add +66.8% | 158,127 | $49.9M |
| Westchester Capital Management, LLC | 2.50% | Add +105.5% | 157,472 | $49.7M |
| Water Island Capital LLC | 5.27% | Add +25.3% | 150,456 | $47.5M |
| Woodline Partners LP | 0.14% | Reduce -39.6% | 145,844 | $46.1M |
| Verition Fund Management LLC | 0.34% | Add +109.3% | 142,309 | $44.9M |
| Decagon Asset Management LLP | 9.09% | Reduce -15.3% | 142,001 | $44.8M |
| Squarepoint Ops LLC | 0.09% | Reduce -6.3% | 138,413 | $43.7M |
| Slotnik Capital, LLC | 11.68% | Add +31.7% | 133,000 | $42.0M |
| Westfield Capital Management Co. LP | 0.14% | New | 131,394 | $41.5M |
| Jupiter Topco LLC | 0.02% | — | 130,275 | $41.1M |
| Holocene Advisors, LP | 0.09% | Add +15.7% | 128,012 | $40.4M |
| Natixis | 0.19% | Add +7.1% | 124,458 | $39.3M |
| Rock Springs Capital Management LP | 1.78% | Reduce -3.9% | 115,750 | $36.5M |
| Nuveen, LLC | 0.01% | Add +12.6% | 113,430 | $35.8M |
| Amundi | 0.01% | Reduce -68.2% | 109,888 | $34.7M |
| Rhumbline Advisers | 0.03% | Reduce -0.9% | 109,180 | $34.5M |
| Kryger Capital LLC | 1.93% | Reduce -30.3% | 107,207 | $33.9M |
| HSBC Holdings PLC | 0.02% | Reduce -8.1% | 101,245 | $32.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +1.0% | 97,689 | $30.8M |
| Calamos Advisors LLC | 0.15% | Add +37.4% | 91,863 | $29.0M |
| Marshall Wace, LLP | 0.02% | Add +149.5% | 90,520 | $28.6M |
| Principal Financial Group Inc. | 0.01% | Add +0.8% | 88,873 | $28.1M |
| Capitolis Liquid Global Markets LLC | 0.12% | Reduce -38.1% | 86,330 | $27.3M |
| Empyrean Capital Partners, LP | 1.02% | No change | 85,000 | $26.8M |
| Capula Management Ltd | 0.12% | Reduce -18.4% | 83,000 | $26.2M |
| BNP Paribas Financial Markets | 0.01% | Reduce -4.0% | 82,985 | $26.2M |
| Man Group plc | 0.05% | Add +7.4% | 80,224 | $25.3M |
| Renaissance Technologies | 0.03% | Add +3580.6% | 79,500 | $25.1M |
| Picton Mahoney Asset Management | 0.22% | Reduce -6.0% | 75,200 | $23.7M |
| Swiss National Bank | 0.01% | Add +1.9% | 74,980 | $23.7M |
| Carret Asset Management, LLC | 1.99% | No change | 72,000 | $22.7M |
| C WorldWide Group Holding A/S | 0.55% | No change | 72,000 | $22.7M |
| Susquehanna Portfolio Strategies, LLC | 0.34% | Reduce -5.0% | 66,945 | $21.1M |
| Quarry LP | 3.35% | Add +65.8% | 65,227 | $20.6M |
| Legal & General Group Plc | 0.00% | Add +6.1% | 64,912 | $20.5M |
| California Public Employees Retirement System | 0.01% | Add +6.5% | 64,327 | $20.3M |
| PFM Health Sciences, LP | 1.65% | Reduce -56.9% | 60,221 | $19.0M |
| Harvest Management LLC | 8.06% | Add +219.4% | 57,487 | $18.2M |
| Sculptor Capital LP | 0.29% | No change | 57,000 | $18.0M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 2.46% | Add +3.1% | 53,292 | $16.8M |
| Gabelli Funds LLC | 0.11% | Reduce -7.4% | 52,423 | $16.6M |
| Credit Industriel Et Commercial | 3.02% | Add +101.7% | 52,078 | $16.4M |
| First Trust Advisors LP | 0.01% | Reduce -34.6% | 49,183 | $15.5M |
| Barclays PLC | 0.00% | Add +178.1% | 46,953 | $14.8M |
| T. Rowe Price Associates Inc. | 0.00% | Add +6.5% | 44,624 | $14.1M |
| California State Teachers Retirement System | 0.01% | Add +0.7% | 43,286 | $13.7M |
| SG Americas Securities, LLC | 0.01% | Reduce -59.8% | 41,029 | $13.0M |
| Retirement Systems of Alabama | 0.04% | Reduce -15.4% | 40,680 | $12.8M |
| CSS LLC | 1.65% | Add +7.2% | 38,740 | $12.2M |
| State of Wisconsin Investment Board | 0.02% | Reduce -5.9% | 37,931 | $12.0M |
| Prelude Capital Management, LLC | 0.84% | Reduce -24.1% | 36,381 | $11.5M |
| Boussard & Gavaudan Gestion Sas | 1.39% | — | 36,340 | $11.5M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.01% | Add +7.3% | 36,049 | $11.4M |
| New York State Teachers Retirement System | 0.02% | Reduce -6.2% | 34,695 | $11.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -0.9% | 34,403 | $10.9M |
| Alberta Investment Management Corp | 0.07% | Reduce -58.6% | 33,120 | $10.5M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | Reduce -51.3% | 33,033 | $10.4M |
"% of holder's portfolio" is PEN's weight in each manager's 13F, not the share of Penumbra Inc. the manager owns.