TSS
ABOS icon

Two Sigma Securities’s Acumen Pharmaceuticals ABOS Stock Holding History

Two Sigma 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
Q2 		$31.8K Buy
+11,892
New +$29.4K ﹤0.01% 1438
2025
Q3 		– Sell
-20,066
Closed -$23.3K – 1333
2025
Q2 		$23.3K Buy
20,066
+8,187
+69% +$8.8K ﹤0.01% 1187
2025
Q1 		$13.1K Buy
+11,879
New +$17K ﹤0.01% 1178

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
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 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

Two Sigma Securities's ABOS Position: Q2 2026 in Review

Two Sigma Securities opened a new position in Acumen Pharmaceuticals (ABOS) in Q2 2026: 11,892 shares worth $31.8K. The stake represents ﹤0.01% of the portfolio and ranks #1438 among its holdings. This is a return to the name: Two Sigma Securities previously reported a position in ABOS as recently as Q2 2025.

Two Sigma Securities first reported a position in ABOS in Q1 2025 and has held it in 3 quarters since. 96 funds tracked by Wall St. Rank hold ABOS as of Q2 2026.

  • Two Sigma Securities held 11,892 shares of Acumen Pharmaceuticals worth $31.8K as of Q2 2026.
  • Acumen Pharmaceuticals was a new Two Sigma Securities position in Q2 2026.
  • Acumen Pharmaceuticals made up ﹤0.01% of Two Sigma Securities's portfolio in Q2 2026, its #1438 holding.
  • Two Sigma Securities first reported a position in Acumen Pharmaceuticals in Q1 2025 and has held it in 3 quarters since.
  • 96 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q2 2026.

Based on Two Sigma Securities's 13F filing for Q2 2026, filed 14 Aug 2026.