Who owns Penumbra Inc?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of PEN from SEC Form 13F filings across 447 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 447 institutions disclosed 34.1M shares of Penumbra Inc worth $10.78B — about 86.7% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
447
13F holders
$10.78B
value, 2026 filers
86.7%
of shares outstanding (34.1M sh)
52
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of PEN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.3M | $1.36B | 0.0% | 10.9% | -0.8% |
| 2 | HBK INVESTMENTS L P | 1.8M | $580.5M | 5.6% | 4.7% | +12.5% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.7M | $539.9M | 0.0% | 4.3% | +0.9% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.7M | $526.4M | 0.0% | 4.2% | +0.8% |
| 5 | STATE STREET CORP | 1.2M | $392.6M | 0.0% | 3.2% | +4.8% |
| 6 | ExodusPoint Capital Management, LP | 1.1M | $344.3M | 2.2% | 2.8% | +134.4% |
| 7 | Balyasny Asset Management L.P. | 1.1M | $344.2M | 0.4% | 2.8% | +43.0% |
| 8 | JPMORGAN CHASE & CO | 1.1M | $338.6M | 0.0% | 2.7% | +166.1% |
| 9 | GOLDMAN SACHS GROUP INC | 847,104 | $267.5M | 0.0% | 2.2% | +17.6% |
| 10 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 834,903 | $263.6M | 0.1% | 2.1% | +108.6% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 796,471 | $251.5M | 0.0% | 2% | +0.1% |
| 12 | NORGES BANKNEW | 752,242 | $237.5M | 0.0% | 1.9% | new |
| 13 | UBS Group AG | 703,822 | $222.2M | 0.0% | 1.8% | +25.6% |
| 14 | MILLENNIUM MANAGEMENT LLC | 700,611 | $221.2M | 0.1% | 1.8% | -36.2% |
| 15 | MORGAN STANLEY | 591,824 | $186.9M | 0.0% | 1.5% | +47.5% |
| 16 | AQR Arbitrage LLC | 563,873 | $178.0M | 2.5% | 1.4% | +33.3% |
| 17 | WHITEBOX ADVISORS LLC | 506,881 | $160.0M | 2.1% | 1.3% | +13.9% |
| 18 | Capital World Investors | 479,701 | $151.5M | 0.0% | 1.2% | +6.4% |
| 19 | CITADEL ADVISORS LLC | 448,763 | $141.7M | 0.0% | 1.1% | +121.4% |
| 20 | NEUBERGER BERMAN GROUP LLC | 438,553 | $138.5M | 0.1% | 1.1% | +44.4% |
| 21 | CITIGROUP INC | 433,125 | $136.8M | 0.0% | 1.1% | -30.2% |
| 22 | TWO SIGMA INVESTMENTS, LP | 428,128 | $135.2M | 0.1% | 1.1% | +635.4% |
| 23 | TUDOR INVESTMENT CORP ET AL | 400,649 | $126.5M | 0.2% | 1% | -2.5% |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 343,713 | $108.5M | 0.0% | 0.9% | +6.6% |
| 25 | NORTHERN TRUST CORP | 333,064 | $105.2M | 0.0% | 0.8% | +3.8% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.