SG Americas Securities
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SG Americas Securities’s Acumen Pharmaceuticals ABOS Stock Holding History

SG Americas Securities’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 		$1.7M Buy
719,257
+318,210
+79% +$812K ﹤0.01% 1471
2025
Q4 		$846K Sell
401,047
-2,831
-0.7% -$5.62K ﹤0.01% 2142
2025
Q3 		$691K Buy
+403,878
New +$559K ﹤0.01% 1817
2025
Q2 		– Sell
-18,007
Closed -$20K – 2875
2025
Q1 		$20K Sell
18,007
-7,624
-30% -$10.9K ﹤0.01% 3378
2024
Q4 		$44K Buy
25,631
+7,859
+44% +$18.9K ﹤0.01% 2925
2024
Q3 		$44K Buy
+17,772
New +$48.2K ﹤0.01% 3268
2024
Q2 		– Sell
-12,856
Closed -$52K – 2796
2024
Q1 		$52K Buy
+12,856
New +$48.5K ﹤0.01% 2756

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

SG Americas Securities's ABOS Position: Q1 2026 in Review

SG Americas Securities increased its Acumen Pharmaceuticals (ABOS) stake by 79% in Q1 2026, buying an estimated $812K and bringing the position to 719,257 shares worth $1.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1471.

SG Americas Securities first reported a position in ABOS in Q1 2024 and has held it in 7 quarters since. 84 funds tracked by Wall St. Rank hold ABOS as of Q1 2026.

  • SG Americas Securities held 719,257 shares of Acumen Pharmaceuticals worth $1.7M as of Q1 2026.
  • SG Americas Securities bought 318,210 Acumen Pharmaceuticals shares in Q1 2026, an estimated $812K.
  • Acumen Pharmaceuticals made up ﹤0.01% of SG Americas Securities's portfolio in Q1 2026, its #1471 holding.
  • SG Americas Securities first reported a position in Acumen Pharmaceuticals in Q1 2024 and has held it in 7 quarters since.
  • 84 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q1 2026.

Based on SG Americas Securities's 13F filing for Q1 2026, filed 16 Apr 2026.