Acadian Asset Management
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Acadian Asset Management’s Acumen Pharmaceuticals ABOS Stock Holding History

Acadian Asset 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
Q1 		$435K Buy
185,850
+33,070
+22% +$84.4K ﹤0.01% 1398
2025
Q4 		$320K Buy
152,780
+74,860
+96% +$149K ﹤0.01% 1422
2025
Q3 		$131K Buy
+77,920
New +$108K ﹤0.01% 1469
2024
Q4 		– Sell
-18,643
Closed -$46K – 1583
2024
Q3 		$46K Buy
+18,643
New +$50.6K ﹤0.01% 1805
2024
Q1 		– Sell
-91,496
Closed -$350K – 1543
2023
Q4 		$350K Buy
+91,496
New +$272K ﹤0.01% 1113
2023
Q1 		– Sell
-15,741
Closed -$85K – 1714
2022
Q4 		$85K Buy
+15,741
New +$106K ﹤0.01% 1471

Other funds holding ABOS

RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
SCV
Sands Capital Ventures Arlington, Virginia $421M AUM 26.25% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
KIA
Knollwood Investment Advisory Hunt Valley, Maryland $992M AUM 28.95% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
IC
Ikarian Capital Dallas, Texas $1.23B AUM 600.17% 1-Year Est. Return
Hudson Bay Capital Management
Hudson Bay Capital Management Stamford, Connecticut $29B AUM 30.2% 1-Year Est. Return

Acadian Asset Management's ABOS Position: Q1 2026 in Review

Acadian Asset Management increased its Acumen Pharmaceuticals (ABOS) stake by 22% in Q1 2026, buying an estimated $84.4K and bringing the position to 185,850 shares worth $435K. The position accounts for ﹤0.01% of the portfolio, ranked #1398.

Acadian Asset Management first reported a position in ABOS in Q4 2022 and has held it in 6 quarters since. 84 funds tracked by Wall St. Rank hold ABOS as of Q1 2026.

  • Acadian Asset Management held 185,850 shares of Acumen Pharmaceuticals worth $435K as of Q1 2026.
  • Acadian Asset Management bought 33,070 Acumen Pharmaceuticals shares in Q1 2026, an estimated $84.4K.
  • Acumen Pharmaceuticals made up ﹤0.01% of Acadian Asset Management's portfolio in Q1 2026, its #1398 holding.
  • Acadian Asset Management first reported a position in Acumen Pharmaceuticals in Q4 2022 and has held it in 6 quarters since.
  • 84 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.