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
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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SCV
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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

Optiver Holding's ABOS Position: Q1 2026 in Review

Optiver Holding held its Acumen Pharmaceuticals (ABOS) position steady in Q1 2026 at 5 shares worth $12. The position accounts for ﹤0.01% of the portfolio, ranked #2275.

Optiver Holding first reported a position in ABOS in Q3 2025 and has held it in 3 quarters since. 84 funds tracked by Wall St. Rank hold ABOS as of Q1 2026.

  • Optiver Holding held 5 shares of Acumen Pharmaceuticals worth $12 as of Q1 2026.
  • Optiver Holding left its Acumen Pharmaceuticals share count unchanged in Q1 2026.
  • Acumen Pharmaceuticals made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #2275 holding.
  • Optiver Holding first reported a position in Acumen Pharmaceuticals in Q3 2025 and has held it in 3 quarters since.
  • 84 funds tracked by Wall St. Rank held Acumen Pharmaceuticals as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.