Optiver Holding
ABOS icon

Optiver Holding’s Acumen Pharmaceuticals ABOS Stock Holding History

Optiver Holding’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 		– Sell
-5
Closed -$12 – 2746
2026
Q1 		$12 Hold
5
– – ﹤0.01% 2275
2025
Q4 		$11 Sell
5
-1
-17% -$2 ﹤0.01% 2425
2025
Q3 		$10 Buy
+6
New +$8 ﹤0.01% 2655

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Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
Franklin Resources
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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

Optiver Holding's ABOS Position: Q2 2026 in Review

Optiver Holding sold out of Acumen Pharmaceuticals (ABOS) in Q2 2026, closing a stake of 5 shares — an estimated $12 sold.

Optiver Holding first reported a position in ABOS in Q3 2025 and held it in 3 quarters. The position peaked at $12 in Q1 2026. 96 funds tracked by Wall St. Rank hold ABOS as of Q2 2026.

  • Optiver Holding reported no remaining Acumen Pharmaceuticals position as of Q2 2026 after selling out during the quarter.
  • Optiver Holding sold 5 Acumen Pharmaceuticals shares in Q2 2026, an estimated $12.
  • Optiver Holding first reported a position in Acumen Pharmaceuticals in Q3 2025 and held it in 3 quarters.
  • Optiver Holding's Acumen Pharmaceuticals position peaked at $12 in Q1 2026.
  • 96 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.