Stocktoria
Penumbra Inc PEN
Penumbra Inc institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 4,255,155 | $765.8M | 10.83% |
| MILLENNIUM MANAGEMENT LLC | 1,146,136 | $376.4M | 2.92% |
| CITADEL ADVISORS LLC | 252,725 | $83.0M | 0.64% |
| SOROS FUND MANAGEMENT LLC | 203,434 | $66.8M | 0.52% |
| D. E. Shaw & Co., Inc. | 201,950 | $66.3M | 0.51% |
| AQR CAPITAL MANAGEMENT LLC | 77,364 | $25.4M | 0.2% |
| TWO SIGMA INVESTMENTS, LP | 58,219 | $19.1M | 0.15% |
| Bridgewater Associates, LP | 10,038 | $3.3M | 0.03% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.