Optiver Holding B.V.
CIK 0001859606 · AMSTERDAM, P7 · Quarter end: 2026-06-30 · Filed on: 2026-08-12 · Open the SEC source ↗
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$370.67B
2026 Q2
Positions
2,757
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
65.4%
Est. Net Flow (Q)
—
2026 Q2
Top Holdings
78462F953PUT
STATE STR SPDR S&P 500 ETF T
17.4%
78462F903CALL
STATE STR SPDR S&P 500 ETF T
15.0%
46090E903CALL
INVESCO QQQ TR
9.1%
46090E953PUT
INVESCO QQQ TR
7.7%
464287955PUT
ISHARES TR
4.0%
595112903CALL
MICRON TECHNOLOGY INC
3.0%
464287905CALL
ISHARES TR
2.7%
78463V907CALL
SPDR GOLD TR
2.6%
New / Increased
No prior quarter data
Reduced / Exited
No prior quarter data
Read the 2026-Q2 quarterly report · 13F Filing Calendar
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.