PenumbraPEN
13F holders, Q1 2026 (March 31)485holders +45
121new positions
78sold out
10famous investors
$328.27avg. 13F price*
At the end of Q1 2026, 485 institutions reported holding Penumbra Inc. (PEN) in their 13F filings, up 45 from Q4 2025. 121 opened new positions and 78 sold out. The largest holders were BlackRock, Inc. ($1.4B), Vanguard Capital Management LLC ($556.4M) and Vanguard Portfolio Management LLC ($543.3M). 10 famous investors held it, including George Soros (1.2% of Soros Fund Management's portfolio), Paul Tudor Jones (0.7% of Tudor Investment Corporation's portfolio) and Israel Englander (0.3% of Millennium Management's portfolio).
- Company
- Penumbra Inc.
- CUSIP
- 70975L107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 121 | $2.3B |
| Exits | 78 | $1.2B |
All 13F filers, Q4 2025 → Q1 2026: 12,259,817 shares bought and 15,270,051 shares sold, net −3,010,234 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 485 holders
| BlackRock, Inc. | 0.03% | Add +4.6% | 4,330,456 | $1.4B |
| Vanguard Capital Management LLC | 0.01% | — | 1,694,488 | $556.4M |
| Vanguard Portfolio Management LLC | 0.03% | — | 1,654,477 | $543.3M |
| HBK Investments L P | 7.33% | New | 1,634,261 | $536.6M |
| State Street Corp. | 0.01% | Add +2.5% | 1,185,811 | $389.4M |
| Millennium Management | 0.28% | Add +62.0% | 1,098,136 | $360.6M |
| Baillie Gifford & Co. | 0.28% | Reduce -4.1% | 840,427 | $276.0M |
| Geode Capital Management, LLC | 0.02% | Add +3.8% | 795,448 | $261.3M |
| Balyasny Asset Management L.P. | 0.52% | Add +370.7% | 762,096 | $250.2M |
| Goldman Sachs Group Inc. | 0.03% | Add +126.5% | 720,575 | $236.6M |
| Citigroup Inc. | 0.13% | Add +1203.1% | 620,943 | $203.9M |
| UBS Group AG | 0.03% | Add +272.6% | 560,335 | $184.0M |
| Invesco Ltd. | 0.02% | Reduce -15.7% | 538,197 | $176.7M |
| FMR LLC | 0.01% | Reduce -90.3% | 496,107 | $162.9M |
| Champlain Investment Partners, LLC | 2.05% | Reduce -18.4% | 491,382 | $161.4M |
| ExodusPoint Capital Management, LP | 1.52% | Add +2038.9% | 465,215 | $152.8M |
| Capital World Investors | 0.02% | Add +5.7% | 450,815 | $148.0M |
| Whitebox Advisors LLC | 7.94% | New | 445,001 | $146.1M |
| AQR Arbitrage LLC | 2.73% | New | 423,073 | $138.9M |
| Tudor Investment Corporation | 0.73% | New | 411,118 | $135.0M |
| JPMorgan Chase & Co. | 0.01% | Reduce -49.5% | 402,619 | $132.1M |
| Morgan Stanley | 0.01% | Reduce -23.6% | 401,356 | $131.8M |
| Arrowstreet Capital, Limited Partnership | 0.07% | Add +130.2% | 400,160 | $131.4M |
| Hudson Bay Capital Management LP | 0.77% | New | 349,038 | $114.6M |
| Amundi | 0.03% | Add +302.9% | 345,758 | $113.5M |
| Dimensional Fund Advisors LP | 0.02% | Add +0.3% | 325,843 | $107.0M |
| Charles Schwab Investment Management Inc. | 0.02% | Add +4.8% | 322,416 | $105.9M |
| Northern Trust Corp. | 0.01% | Add +3.3% | 320,853 | $105.4M |
| Congress Asset Management Co. | 0.75% | Reduce -17.0% | 317,337 | $104.2M |
| Neuberger Berman Group LLC | 0.08% | Add +5920.6% | 303,621 | $99.7M |
| LMR Partners LLP | 1.16% | New | 295,708 | $97.1M |
| Bank of America Corp. | 0.01% | Reduce -15.2% | 259,775 | $85.3M |
| Magnetar Financial LLC | 0.89% | New | 251,433 | $82.6M |
| Vanguard Fiduciary Trust Co. | 0.02% | — | 247,235 | $81.2M |
| Bank of New York Mellon Corp | 0.01% | Reduce -0.9% | 246,527 | $81.0M |
| Woodline Partners LP | 0.30% | Add +19.0% | 241,597 | $79.3M |
| Alliancebernstein L.P. | 0.02% | Add +43.0% | 226,317 | $70.4M |
| Bank of Nova Scotia | 0.12% | Add +14837.9% | 211,820 | $69.6M |
| Soros Fund Management | 1.23% | New | 203,434 | $66.8M |
| Citadel Advisors | 0.05% | Reduce -79.5% | 202,725 | $66.6M |
| D. E. Shaw & Co. | 0.06% | Add +2584.1% | 201,950 | $66.3M |
| Thrivent Financial for Lutherans | 0.12% | Reduce -36.2% | 188,129 | $61.8M |
| Caxton Associates LLP | 1.41% | New | 184,663 | $60.6M |
| Decagon Asset Management LLP | 14.43% | New | 167,588 | $55.0M |
| Janus Henderson Group PLC | 0.03% | Reduce -64.9% | 167,054 | $54.8M |
| Kryger Capital LLC | 3.57% | — | 153,848 | $50.5M |
| Squarepoint Ops LLC | 0.10% | New | 147,806 | $48.5M |
| PFM Health Sciences, LP | 4.92% | Reduce -3.7% | 139,779 | $45.9M |
| Capitolis Liquid Global Markets LLC | 0.29% | — | 139,398 | $45.8M |
| Adage Capital Partners Gp, L.L.C. | 0.07% | Reduce -10.0% | 135,000 | $44.3M |
| Alpine Associates Management Inc. | 2.55% | New | 131,950 | $43.3M |
| Rock Springs Capital Management LP | 2.33% | No change | 120,500 | $39.6M |
| Water Island Capital LLC | 5.55% | New | 120,095 | $39.4M |
| Natixis | 0.15% | New | 116,229 | $38.2M |
| Holocene Advisors, LP | 0.09% | Reduce -76.5% | 110,614 | $36.3M |
| Rhumbline Advisers | 0.03% | Add +2.8% | 110,173 | $36.2M |
| HSBC Holdings PLC | 0.02% | Add +7115.0% | 110,173 | $36.1M |
| Braidwell LP | 1.32% | Reduce -4.4% | 105,352 | $34.6M |
| SG Americas Securities, LLC | 0.04% | Add +818.3% | 102,035 | $33.5M |
| Capula Management Ltd | 0.29% | New | 101,779 | $33.4M |
| Slotnik Capital, LLC | 9.85% | New | 101,000 | $33.2M |
| Nuveen, LLC | 0.01% | Add +36.4% | 100,740 | $33.1M |
| Clearbridge Investments, LLC | 0.03% | Reduce -85.9% | 97,135 | $31.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +7.3% | 96,715 | $31.8M |
| Birnam Oak Advisors, LP | 8.69% | New | 95,990 | $31.5M |
| Glazer Capital, LLC | 0.69% | New | 94,819 | $31.1M |
| Principal Financial Group Inc. | 0.02% | Add +5.1% | 88,178 | $29.0M |
| Sand Grove Capital Management LLP | 6.66% | New | 86,758 | $28.5M |
| BNP Paribas Financial Markets | 0.02% | Add +702.6% | 86,433 | $28.4M |
| Empyrean Capital Partners, LP | 0.99% | New | 85,000 | $27.9M |
| Melqart Asset Management (UK) Ltd | 2.65% | New | 81,822 | $26.9M |
| Allspring Global Investments Holdings, LLC | 0.04% | Reduce -77.7% | 79,898 | $26.3M |
| Picton Mahoney Asset Management | 0.27% | New | 80,000 | $26.3M |
| Alberta Investment Management Corp | 0.18% | New | 80,000 | $26.3M |
| AQR Capital Management | 0.01% | Reduce -58.2% | 77,364 | $25.4M |
| Westchester Capital Management, LLC | 1.22% | New | 76,630 | $25.2M |
| First Trust Advisors LP | 0.02% | Add +191.2% | 75,223 | $24.7M |
| Man Group plc | 0.05% | Reduce -3.5% | 74,670 | $24.5M |
| Swiss National Bank | 0.01% | Add +0.8% | 73,580 | $24.2M |
| C WorldWide Group Holding A/S | 0.51% | No change | 72,000 | $23.6M |
| Carret Asset Management, LLC | 2.31% | No change | 72,000 | $23.6M |
| Susquehanna Portfolio Strategies, LLC | 0.34% | Add +6.1% | 70,428 | $23.1M |
| American Century Companies Inc. | 0.01% | Add +242.3% | 69,994 | $23.0M |
| NZS Capital, LLC | 0.76% | Reduce -36.5% | 68,986 | $22.7M |
| Verition Fund Management LLC | 0.23% | Add +501.8% | 68,000 | $22.3M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.04% | New | 67,850 | $22.3M |
| Calamos Advisors LLC | 0.11% | Add +1334.0% | 66,882 | $22.0M |
| Legal & General Group Plc | 0.00% | Reduce -14.6% | 61,195 | $20.1M |
| California Public Employees Retirement System | 0.01% | Add +25.1% | 60,421 | $19.8M |
| TIG Advisors, LLC | 0.94% | New | 60,082 | $19.7M |
| Two Sigma Investments, LP | 0.02% | Add +134.2% | 58,219 | $19.1M |
| Sculptor Capital LP | 0.45% | New | 57,000 | $18.7M |
| Gabelli Funds LLC | 0.13% | New | 56,623 | $18.6M |
| ING Groep NV | 0.11% | New | 55,841 | $18.3M |
| Victory Capital Management Inc. | 0.01% | Reduce -27.8% | 52,776 | $17.3M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 2.53% | New | 51,692 | $17.0M |
| Nearwater Capital Markets, Ltd | 0.39% | New | 50,000 | $16.4M |
| Retirement Systems of Alabama | 0.05% | Add +2.3% | 48,094 | $15.8M |
| Prelude Capital Management, LLC | 1.21% | Add +1656.1% | 47,958 | $15.7M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.02% | Reduce -74.1% | 46,276 | $15.2M |
"% of holder's portfolio" is PEN's weight in each manager's 13F, not the share of Penumbra Inc. the manager owns.