Who owns Acumen Pharmaceuticals Inc (ABOS)?
42 US mutual funds and ETFs from 27 fund families reported a position in ABOS for the quarter ending 2026-06-30. Against their own report a quarter earlier, 5 raised shares, 30 opened a new position, 1 cut and 2 sold out.
Largest fund families
| Fund family | Funds | Share of fund-held shares |
|---|---|---|
| Vanguard Index Funds | 2 | 41.8% |
| Ishares Trust | 3 | 41.6% |
| Bridgeway Funds, Inc. | 2 | 4.2% |
| Quantitative Master Series Llc | 1 | 2.3% |
| Eq Advisors Trust | 7 | 2.3% |
| Fidelity Salem Street Trust | 1 | 1.7% |
Tracked managers holding ABOS
None of the managers Prior Moves tracks on 13F reports ABOS in its latest filing.
Source: SEC Form N-PORT, which funds file about 60 days after quarter end, and the latest 13F filings. Share counts, not trades: a change can reflect fund inflows or outflows rather than a decision about ABOS. A record of holdings, not a forecast and not investment advice. See all owner pages or the forecast board for the names our model ranks.
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