Acumen Pharmaceuticals, Inc. - ABOS

Sector: Healthcare · Industry: Biological Products, (No Diagnostic Substances)
Website: No information yet · Social: No information yet

Company profile

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Q1 2026 · Q4 2025
Value (USD)
Total reported value ($000)
$113.4M
QoQ value delta ($000)
+$38.16M (+50.69%)
Implied price effect (QoQ)
+11.33%
Shares
Total shares
48,306,977
QoQ shares delta
+12,620,215 (+35.36%)
Total shares held by funds (by quarter)

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Top holders (Q1 2026)

Top 25 only Full list
Partial Q1 2026 data: 85 holders have filed so far. Prior holders are carried forward until their next 13F confirms a change.
Manager Value ($000) Shares % of 13F
RA CAPITAL MANAGEMENT, L.P. 49,542 20,992,669 0.52%
Sands Capital Alternatives, LLC 8,779 3,720,105 2.08%
Alyeska Investment Group, L.P. 5,776 2,454,754 0.02%
FRANKLIN RESOURCES INC 5,440 2,305,096 0.0%
ADAR1 Capital Management, LLC 5,088 2,156,334 0.3%
Knollwood Investment Advisory, LLC 3,843 1,628,510 0.39%
VANGUARD CAPITAL MANAGEMENT LLC 3,554 1,506,277 0.0%
VANGUARD GROUP INC 3,489 1,653,772 0.0%
FMR LLC 2,731 1,157,346 0.0%
Ikarian Capital, LLC 2,486 1,053,797 0.2%
Hudson Bay Capital Management LP 2,286 968,940 0.01%
Pathstone Holdings, LLC 2,027 859,110 0.01%
SG Americas Securities, LLC 1,697 719,257 0.0%
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,683 713,376 0.0%
MILLENNIUM MANAGEMENT LLC 1,556 659,675 0.0%
TWO SIGMA INVESTMENTS, LP 1,252 530,812 0.0%
Laurion Capital Management LP 1,240 525,444 0.05%
RENAISSANCE TECHNOLOGIES LLC 1,118 473,946 0.0%
GEODE CAPITAL MANAGEMENT, LLC 982 416,238 0.0%
TWO SIGMA ADVISERS, LP 889 421,800 0.0%
BANK OF AMERICA CORP /DE/ 755 320,216 0.0%
BOOTHBAY FUND MANAGEMENT, LLC 644 273,012 0.01%
GOLDMAN SACHS GROUP INC 487 206,683 0.0%
VANGUARD FIDUCIARY TRUST CO 470 199,226 0.0%
MARSHALL WACE, LLP 455 192,889 0.0%