Group One Trading
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Group One Trading’s Acumen Pharmaceuticals ABOS Stock Holding History

Group One Trading’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 		$3.48K Sell
1,475
-3,277
-69% -$8.36K ﹤0.01% 6863
2025
Q4 		$10K Sell
4,752
-3,046
-39% -$6.04K ﹤0.01% 6807
2025
Q3 		$13.3K Sell
7,798
-726
-9% -$1K ﹤0.01% 6994
2025
Q2 		$9.89K Buy
8,524
+6,113
+254% +$6.57K ﹤0.01% 6729
2025
Q1 		$2.65K Sell
2,411
-26,437
-92% -$37.8K ﹤0.01% 6902
2024
Q4 		$49.6K Sell
28,848
-93,741
-76% -$226K ﹤0.01% 5063
2024
Q3 		$304K Sell
122,589
-2,435
-2% -$6.61K ﹤0.01% 3258
2024
Q2 		$303K Buy
125,024
+96,987
+346% +$309K ﹤0.01% 3037
2024
Q1 		$114K Buy
28,037
+20,494
+272% +$77.2K ﹤0.01% 4045
2023
Q4 		$29K Buy
+7,543
New +$22.4K ﹤0.01% 5478
2023
Q3 		– Sell
-32,800
Closed -$203K – 7554
2023
Q2 		$158K Buy
32,800
+28,500
+663% +$136K ﹤0.01% 4180
2023
Q1 		$17.5K Sell
4,300
-9,209
-68% -$48.1K ﹤0.01% 5599
2022
Q4 		$72.9K Buy
13,509
+629
+5% +$4.23K ﹤0.01% 4705
2022
Q3 		$129K Buy
+12,880
New +$73.9K ﹤0.01% 4533

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

Group One Trading's ABOS Position: Q1 2026 in Review

Group One Trading reduced its Acumen Pharmaceuticals (ABOS) stake by 69% in Q1 2026, selling an estimated $8.36K and leaving 1,475 shares worth $3.48K. The position accounts for ﹤0.01% of the portfolio, ranked #6863.

Group One Trading first reported a position in ABOS in Q3 2022 and has held it in 14 quarters since. The position peaked at $304K in Q3 2024. 84 funds tracked by Wall St. Rank hold ABOS as of Q1 2026.

  • Group One Trading held 1,475 shares of Acumen Pharmaceuticals worth $3.48K as of Q1 2026.
  • Group One Trading sold 3,277 Acumen Pharmaceuticals shares in Q1 2026, an estimated $8.36K.
  • Acumen Pharmaceuticals made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #6863 holding.
  • Group One Trading first reported a position in Acumen Pharmaceuticals in Q3 2022 and has held it in 14 quarters since.
  • Group One Trading's Acumen Pharmaceuticals position peaked at $304K in Q3 2024.
  • 84 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.