Millennium Management
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Millennium Management’s Acumen Pharmaceuticals ABOS Stock Holding History

Millennium 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 		$1.56M Buy
659,675
+75,532
+13% +$193K ﹤0.01% 4081
2025
Q4 		$1.23M Sell
584,143
-17,573
-3% -$34.9K ﹤0.01% 4335
2025
Q3 		$1.03M Sell
601,716
-1,348,404
-69% -$1.87M ﹤0.01% 4608
2025
Q2 		$2.26M Buy
1,950,120
+814,898
+72% +$876K ﹤0.01% 3771
2025
Q1 		$1.25M Sell
1,135,222
-209,523
-16% -$299K ﹤0.01% 4185
2024
Q4 		$2.31M Sell
1,344,745
-490,008
-27% -$1.18M ﹤0.01% 3511
2024
Q3 		$4.55M Sell
1,834,753
-119,332
-6% -$324K ﹤0.01% 2925
2024
Q2 		$4.73M Sell
1,954,085
-675,456
-26% -$2.15M ﹤0.01% 2779
2024
Q1 		$10.6M Buy
2,629,541
+1,134,257
+76% +$4.28M ﹤0.01% 2125
2023
Q4 		$5.74M Sell
1,495,284
-221,006
-13% -$656K ﹤0.01% 2672
2023
Q3 		$7.12M Buy
1,716,290
+570,272
+50% +$3.52M ﹤0.01% 2379
2023
Q2 		$5.51M Buy
1,146,018
+500,135
+77% +$2.39M ﹤0.01% 2588
2023
Q1 		$2.62M Sell
645,883
-19,833
-3% -$104K ﹤0.01% 3175
2022
Q4 		$3.6M Buy
665,716
+195,224
+41% +$1.31M ﹤0.01% 3081
2022
Q3 		$4.72M Sell
470,492
-117,091
-20% -$672K ﹤0.01% 2940
2022
Q2 		$2.76M Buy
+587,583
New +$2.21M ﹤0.01% 3381
2022
Q1 		– Sell
-37,163
Closed -$251K – 6827
2021
Q4 		$251K Buy
+37,163
New +$409K ﹤0.01% 5704

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

Millennium Management's ABOS Position: Q1 2026 in Review

Millennium Management increased its Acumen Pharmaceuticals (ABOS) stake by 13% in Q1 2026, buying an estimated $193K and bringing the position to 659,675 shares worth $1.56M. The position accounts for ﹤0.01% of the portfolio, ranked #4081.

Millennium Management first reported a position in ABOS in Q4 2021 and has held it in 17 quarters since. The position peaked at $10.6M in Q1 2024. 84 funds tracked by Wall St. Rank hold ABOS as of Q1 2026.

  • Millennium Management held 659,675 shares of Acumen Pharmaceuticals worth $1.56M as of Q1 2026.
  • Millennium Management bought 75,532 Acumen Pharmaceuticals shares in Q1 2026, an estimated $193K.
  • Acumen Pharmaceuticals made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #4081 holding.
  • Millennium Management first reported a position in Acumen Pharmaceuticals in Q4 2021 and has held it in 17 quarters since.
  • Millennium Management's Acumen Pharmaceuticals position peaked at $10.6M in Q1 2024.
  • 84 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.