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Acumen Pharmaceuticals, Inc. (ABOS)
NMS – Real Time Price. Currency in USD
2.48
-0.09 (-3.50%)
At close: May 12, 2026, 4:00 PM EDT
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NMS – Real Time Price. Currency in USD
2.48
-0.09 (-3.50%)
At close: May 12, 2026, 4:00 PM EDT
| Breakdown | |
|---|---|
| 6.67% | % of Shares Held by All Insider |
| 59.15% | % of Shares Held by Institutions |
| 63.38% | % of Float Held by Institutions |
| 89 | Number of Institutions Holding Shares |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| RA Capital Management, L.P. | 14.93M | 2025-12-31 | 20.67% | $38.23M |
| Sands Capital Alternatives, LLC | 3.42M | 2025-12-31 | 4.73% | $8.75M |
| Franklin Resources, Inc. | 2.31M | 2025-12-31 | 3.19% | $5.90M |
| FMR, LLC | 2.03M | 2025-12-31 | 2.81% | $5.19M |
| Vanguard Group Inc | 1.65M | 2025-12-31 | 2.29% | $4.23M |
| Knollwood Investment Advisory, LLC | 1.63M | 2025-12-31 | 2.25% | $4.17M |
| Alyeska Investment Group, L.p. | 939,603 | 2025-12-31 | 1.30% | $2.41M |
| Adar1 Capital Management, LLC | 891,183 | 2025-12-31 | 1.23% | $2.28M |
| Laurion Capital Management, LP | 867,046 | 2025-12-31 | 1.20% | $2.22M |
| Pathstone Holdings, LLC | 859,110 | 2025-12-31 | 1.19% | $2.20M |
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.12M | 2025-12-31 | 1.55% | $2.86M |
| Franklin Strategic Series-FRANKLIN BIOTECHNOLOGY DISCOVERY FUND | 826,400 | 2026-01-31 | 1.14% | $2.12M |
| Fidelity Select Portfolios-Select Health Care Portfolio | 658,896 | 2026-03-31 | 0.91% | $1.69M |
| Fidelity Advisor Series VII-Fidelity Advisor Health Care Fund | 457,389 | 2026-03-31 | 0.63% | $1.17M |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 324,367 | 2025-12-31 | 0.45% | $830,379.00 |
| Fidelity Concord Street Trust-Fidelity Extended Market Index Fund | 175,512 | 2026-02-28 | 0.24% | $449,310.00 |
| iShares Trust-iShares Micro-Cap ETF | 96,480 | 2026-03-31 | 0.13% | $246,988.00 |
| Variable Insurance Products Fund IV-VIP Health Care Portfolio | 95,526 | 2026-03-31 | 0.13% | $244,546.00 |
| Bridgeway Funds, Inc.-Ultra-Small Company Market Fund | 81,871 | 2025-12-31 | 0.11% | $209,589.00 |
| Bridgeway Funds, Inc.-Ultra-Small Company Fund | 75,000 | 2025-12-31 | 0.10% | $191,999.00 |