XT
ABOS icon

XTX Topco’s Acumen Pharmaceuticals ABOS Stock Holding History

XTX Topco’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 		$85.8K Buy
+32,134
New +$79.4K ﹤0.01% 3567
2026
Q1 		– Sell
-49,563
Closed -$105K – 3775
2025
Q4 		$105K Buy
+49,563
New +$98.3K ﹤0.01% 2628
2023
Q4 		– Sell
-16,538
Closed -$68.6K – 1516
2023
Q3 		$68.6K Buy
+16,538
New +$102K 0.01% 1231

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

XTX Topco's ABOS Position: Q2 2026 in Review

XTX Topco opened a new position in Acumen Pharmaceuticals (ABOS) in Q2 2026: 32,134 shares worth $85.8K. The stake represents ﹤0.01% of the portfolio and ranks #3567 among its holdings. This is a return to the name: XTX Topco previously reported a position in ABOS as recently as Q4 2025.

XTX Topco first reported a position in ABOS in Q3 2023 and has held it in 3 quarters since. The position peaked at $105K in Q4 2025. 96 funds tracked by Wall St. Rank hold ABOS as of Q2 2026.

  • XTX Topco held 32,134 shares of Acumen Pharmaceuticals worth $85.8K as of Q2 2026.
  • Acumen Pharmaceuticals was a new XTX Topco position in Q2 2026.
  • Acumen Pharmaceuticals made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3567 holding.
  • XTX Topco first reported a position in Acumen Pharmaceuticals in Q3 2023 and has held it in 3 quarters since.
  • XTX Topco's Acumen Pharmaceuticals position peaked at $105K in Q4 2025.
  • 96 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.