Penumbra Inc
PEN- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001321732
No open-market purchases or sales by Penumbra Inc insiders were filed in the last 90 days; 451 institutions reported holding it in 13F filings for Q2 2026, worth $10.8B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Penumbra Inc as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 485
- +51 vs. Q4 2025
- Shares held
- 33.8M
- +936.2K (+2.8%) vs. Q4 2025
- Total value
- $11.1B
- +$879.1M (+8.6%) vs. Q4 2025
- New holders
- 131
- 152 more added
- Sold out
- 80
- 139 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PEN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 451 | $10.8B |
| Q1 2026 | 485 | $11.1B |
| Q4 2025 | 440 | $11.4B |
| Q3 2025 | 421 | $9.19B |
| Q2 2025 | 451 | $9.18B |
| Q1 2025 | 421 | $9.39B |
| Q4 2024 | 372 | $8.30B |
| Q3 2024 | 334 | $6.85B |
| Q2 2024 | 342 | $6.40B |
| Q1 2024 | 342 | $7.52B |
| Q4 2023 | 339 | $8.66B |
| Q3 2023 | 317 | $8.01B |
| Q2 2023 | 364 | $11.8B |
| Q1 2023 | 312 | $9.74B |
| Q4 2022 | 290 | $7.67B |
| Q3 2022 | 261 | $6.06B |
| Q2 2022 | 255 | $3.91B |
| Q1 2022 | 280 | $6.71B |
| Q4 2021 | 279 | $8.72B |
| Q3 2021 | 280 | $7.94B |
| Q2 2021 | 287 | $8.17B |
| Q1 2021 | 273 | $8.40B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Penumbra Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Verition Fund Management LLC | 68,000 | $22.3M | 0.22% | +56,700+501.8% | Added |
| NZS Capital, LLC | 68,986 | $22.7M | 0.76% | −39,600−36.5% | Reduced |
| American Century Companies Inc | 69,994 | $23.0M | 0.01% | +49,543+242.3% | Added |
| Susquehanna Portfolio Strategies, LLC | 70,428 | $23.1M | 0.34% | +4,025+6.1% | Added |
| Carret Asset Management, LLC | 72,000 | $23.6M | 2.31% | 00.0% | Unchanged |
| C WorldWide Group Holding A/S | 72,000 | $23.6M | 0.51% | 00.0% | Unchanged |
| Swiss National Bank | 73,580 | $24.2M | 0.01% | +560+0.8% | Added |
| Man Group plc | 74,670 | $24.5M | 0.05% | −2,688−3.5% | Reduced |
| First Trust Advisors LP | 75,223 | $24.7M | 0.02% | +49,387+191.2% | Added |
| Westchester Capital Management, LLC | 76,630 | $25.2M | 1.22% | +76,630 | New |
| AQR Capital Management LLC | 77,364 | $25.4M | 0.01% | −107,577−58.2% | Reduced |
| Alberta Investment Management Corp | 80,000 | $26.3M | 0.16% | +80,000 | New |
| Picton Mahoney Asset Management | 80,000 | $26.3M | 0.27% | +80,000 | New |
| Allspring Global Investments Holdings, LLC | 79,898 | $26.3M | 0.04% | −278,728−77.7% | Reduced |
| Melqart Asset Management (UK) Ltd | 81,822 | $26.9M | 2.65% | +81,822 | New |
| Empyrean Capital Partners, LP | 85,000 | $27.9M | 0.93% | +85,000 | New |
| BNP Paribas Arbitrage, SA | 86,433 | $28.4M | 0.02% | +75,664+702.6% | Added |
| Sand Grove Capital Management LLP | 86,758 | $28.5M | 6.66% | +86,758 | New |
| Principal Financial Group Inc | 88,178 | $29.0M | 0.02% | +4,263+5.1% | Added |
| Glazer Capital, LLC | 94,819 | $31.1M | 0.66% | +94,819 | New |
| Birnam Oak Advisors, LP | 95,990 | $31.5M | 8.69% | +95,990 | New |
| UBS Asset Management Americas Inc | 96,715 | $31.8M | 0.01% | +6,605+7.3% | Added |
| Clearbridge Investments, LLC | 97,135 | $31.9M | 0.03% | −593,679−85.9% | Reduced |
| Nuveen, LLC | 100,740 | $33.1M | 0.01% | +26,864+36.4% | Added |
| Slotnik Capital, LLC | 101,000 | $33.2M | 9.85% | +101,000 | New |
| Capula Management Ltd | 101,779 | $33.4M | 0.29% | +101,779 | New |
| SG Americas Securities, LLC | 102,035 | $33.5M | 0.04% | +90,924+818.3% | Added |
| Braidwell LP | 105,352 | $34.6M | 1.15% | −4,800−4.4% | Reduced |
| HSBC Holdings PLC | 110,173 | $36.1M | 0.02% | +108,646+7,115.0% | Added |
| Rhumbline Advisers | 110,173 | $36.2M | 0.03% | +3,011+2.8% | Added |
| Holocene Advisors, LP | 110,614 | $36.3M | 0.09% | −360,734−76.5% | Reduced |
| Natixis | 116,229 | $38.2M | 0.15% | +116,229 | New |
| Water Island Capital LLC | 120,095 | $39.4M | 5.26% | +120,095 | New |
| Rock Springs Capital Management LP | 120,500 | $39.6M | 2.33% | 00.0% | Unchanged |
| Alpine Associates Management Inc. | 131,950 | $43.3M | 2.55% | +131,950 | New |
| Adage Capital Partners GP, L.L.C. | 135,000 | $44.3M | 0.07% | −15,000−10.0% | Reduced |
| Capitolis Liquid Global Markets LLC | 139,398 | $45.8M | 0.29% | +139,398 | New |
| PFM Health Sciences, LP | 139,779 | $45.9M | 4.83% | −5,392−3.7% | Reduced |
| Squarepoint Ops LLC | 147,806 | $48.5M | 0.10% | +147,806 | New |
| Kryger Capital LLC | 153,848 | $50.5M | 3.57% | +153,848 | New |
| Janus Henderson Group PLC | 167,054 | $54.8M | 0.03% | −308,844−64.9% | Reduced |
| Decagon Asset Management LLP | 167,588 | $55.0M | 14.30% | +167,588 | New |
| Caxton Associates LLP | 184,663 | $60.6M | 1.41% | +184,663 | New |
| Thrivent Financial for Lutherans | 188,129 | $61.8M | 0.12% | −106,603−36.2% | Reduced |
| D. E. Shaw & Co., Inc. | 201,950 | $66.3M | 0.05% | +194,426+2,584.1% | Added |
| Citadel Advisors LLC | 202,725 | $66.6M | 0.05% | −787,550−79.5% | Reduced |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 203,434 | $66.8M | 0.92% | +203,434 | New |
| Bank of Nova Scotia | 211,820 | $69.6M | 0.12% | +210,402+14,837.9% | Added |
| Alliancebernstein L.P. | 226,317 | $70.4M | 0.02% | +68,016+43.0% | Added |
| Woodline Partners LP | 241,597 | $79.3M | 0.30% | +38,615+19.0% | Added |
| Bank of New York Mellon Corp | 246,527 | $81.0M | 0.01% | −2,129−0.9% | Reduced |
| Vanguard Fiduciary Trust Co | 247,235 | $81.2M | 0.02% | +247,235 | New |
| Magnetar Financial LLC | 251,433 | $82.6M | 0.84% | +251,433 | New |
| Bank of America Corp | 259,775 | $85.3M | 0.01% | −46,436−15.2% | Reduced |
| LMR Partners LLP | 295,708 | $97.1M | 0.89% | +295,708 | New |
| Neuberger Berman Group LLC | 303,621 | $99.7M | 0.08% | +298,578+5,920.6% | Added |
| Congress Asset Management Co | 317,337 | $104.2M | 0.75% | −65,013−17.0% | Reduced |
| Northern Trust Corp | 320,853 | $105.4M | 0.01% | +10,194+3.3% | Added |
| Charles Schwab Investment Management Inc | 322,416 | $105.9M | 0.02% | +14,916+4.9% | Added |
| Dimensional Fund Advisors LP | 325,843 | $107.0M | 0.02% | +1,054+0.3% | Added |
| Amundi | 345,758 | $113.5M | 0.03% | +259,936+302.9% | Added |
| Hudson Bay Capital Management LP | 349,038 | $114.6M | 0.69% | +349,038 | New |
| Arrowstreet Capital, Limited Partnership | 400,160 | $131.4M | 0.07% | +226,314+130.2% | Added |
| Morgan Stanley | 401,356 | $131.8M | 0.01% | −124,151−23.6% | Reduced |
| JPMorgan Chase & Co | 402,619 | $132.1M | 0.01% | −394,871−49.5% | Reduced |
| Tudor Investment Corp Et Al | 411,118 | $135.0M | 0.73% | +411,118 | New |
| CNH Partners LLC | 423,073 | $138.9M | 2.28% | +423,073 | New |
| Whitebox Advisors LLC | 445,001 | $146.1M | 2.07% | +445,001 | New |
| Capital World Investors | 450,815 | $148.0M | 0.02% | +24,359+5.7% | Added |
| ExodusPoint Capital Management, LP | 465,215 | $152.8M | 1.52% | +443,465+2,038.9% | Added |
| Champlain Investment Partners, LLC | 491,382 | $161.4M | 2.05% | −110,422−18.3% | Reduced |
| FMR LLC | 496,107 | $162.9M | 0.01% | −4,635,835−90.3% | Reduced |
| Invesco Ltd. | 538,197 | $176.7M | 0.02% | −100,108−15.7% | Reduced |
| UBS Group AG | 560,335 | $184.0M | 0.03% | +409,963+272.6% | Added |
| Citigroup Inc | 620,943 | $203.9M | 0.13% | +573,293+1,203.1% | Added |
| Goldman Sachs Group Inc | 720,575 | $236.6M | 0.03% | +402,421+126.5% | Added |
| Balyasny Asset Management LLC | 762,096 | $250.2M | 0.49% | +600,185+370.7% | Added |
| Geode Capital Management, LLC | 795,448 | $261.3M | 0.02% | +28,938+3.8% | Added |
| Baillie Gifford & Co | 840,427 | $276.0M | 0.28% | −35,898−4.1% | Reduced |
| Millennium Management LLC | 1,098,136 | $360.6M | 0.27% | +420,304+62.0% | Added |
| State Street Corp | 1,185,811 | $389.4M | 0.01% | +28,394+2.5% | Added |
| HBK Investments L P | 1,634,261 | $536.6M | 6.76% | +1,634,261 | New |
| Vanguard Portfolio Management LLC | 1,654,477 | $543.3M | 0.03% | +1,654,477 | New |
| Vanguard Capital Management LLC | 1,694,488 | $556.4M | 0.01% | +1,694,488 | New |
| BlackRock, Inc. | 4,330,456 | $1.42B | 0.02% | +189,226+4.6% | Added |
| RTW Investments, LP | 0 | $0 | 0.00% | −866,499−100.0% | Sold out |
| Artisan Partners Limited Partnership | 0 | $0 | 0.00% | −594,112−100.0% | Sold out |
| William Blair Investment Management, LLC | 0 | $0 | 0.00% | −345,974−100.0% | Sold out |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −212,956−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −183,024−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −145,675−100.0% | Sold out |
| Stephens Investment Management Group LLC | 0 | $0 | 0.00% | −120,815−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −115,941−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −110,529−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −101,738−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −96,889−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −88,154−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −80,832−100.0% | Sold out |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −58,168−100.0% | Sold out |