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Optiver Holding B.V.

Position in ABOS — Acumen Pharmaceuticals, Inc.

CIK 1859606 AMSTERDAM, P7

Position in ABOS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$11
+$1 QoQ
Shares Held
5
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in ABOS Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Optiver Holding B.V. holds $14,292,933 across 180 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in ABOS

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $11 5
2025-12-31 $10 5
2025-09-30 $10 6