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ADAR1 Capital Management’s Acumen Pharmaceuticals ABOS Stock Holding History

ADAR1 Capital Management’s Portfolio ABOS Stock Details ABOS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$5.64M Sell
2,111,334
-45,000
-2% -$111K 0.26% 91
2026
Q1 		$5.09M Buy
2,156,334
+1,265,151
+142% +$3.23M 0.3% 73
2025
Q4 		$1.88M Hold
891,183
– – 0.14% 103
2025
Q3 		$1.52M Sell
891,183
-25,000
-3% -$34.6K 0.14% 90
2025
Q2 		$1.06M Buy
916,183
+770,000
+527% +$828K 0.16% 78
2025
Q1 		$161K Buy
146,183
+51,889
+55% +$74.1K 0.03% 153
2024
Q4 		$162K Buy
+94,294
New +$227K 0.03% 165

Other funds holding ABOS

RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
SCV
Sands Capital Ventures Arlington, Virginia $614M AUM 19.92% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
KIA
Knollwood Investment Advisory Hunt Valley, Maryland $1.12B AUM 41.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $928M AUM 596.14% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $36.8B AUM 42.13% 1-Year Est. Return

ADAR1 Capital Management's ABOS Position: Q2 2026 in Review

ADAR1 Capital Management reduced its Acumen Pharmaceuticals (ABOS) stake by 2.1% in Q2 2026, selling an estimated $111K and leaving 2,111,334 shares worth $5.64M. The position accounts for 0.26% of the portfolio, ranked #91.

ADAR1 Capital Management first reported a position in ABOS in Q4 2024 and has held it in 7 quarters since. 96 funds tracked by Wall St. Rank hold ABOS as of Q2 2026.

  • ADAR1 Capital Management held 2,111,334 shares of Acumen Pharmaceuticals worth $5.64M as of Q2 2026.
  • ADAR1 Capital Management sold 45,000 Acumen Pharmaceuticals shares in Q2 2026, an estimated $111K.
  • Acumen Pharmaceuticals made up 0.26% of ADAR1 Capital Management's portfolio in Q2 2026, its #91 holding.
  • ADAR1 Capital Management first reported a position in Acumen Pharmaceuticals in Q4 2024 and has held it in 7 quarters since.
  • 96 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q2 2026.

Based on ADAR1 Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.