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Optiver Holding B.V.

Position in CRBU — Caribou Biosciences, Inc.

CIK 1859606 AMSTERDAM, P7

Position in CRBU

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$489
-$1,266 QoQ
Shares Held
278
-74.8% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#127
of 137 holders
Holding Since
Jun 2024
7 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in CRBU 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. CRBU ranks #156 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CRBU

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $489 278
2025-12-31 $1,755 1,104
2025-09-30 $2,572 1,104
2025-06-30 $1,391 1,104
2025-03-31 $1,007 1,104
2024-12-31 $1,222 769
2024-06-30 $1,395 851