Optiver Holding B.V.

CIK 0001859606 · Q2 2026

13F Equity AUM

$370.7B

+28.1% QoQ

Positions

928

+66 QoQ

AUM Rank

#39

Top 0.4%

Skill Alpha (FF)

+18.3%/yr

Alpha Generator

Rank #166 · Top 2%

vs S&P +8.2%/yr (unadj.)

Quarters Tracked

~5 years

Portfolio Concentration

Top 5: 53.1%Top 10: 65.4%Top 20: 75.8%

STATE STR SPDR S&P 500 ETF T17.4%

STATE STR SPDR S&P 500 ETF T15.0%

INVESCO QQQ TR9.1%

INVESCO QQQ TR7.7%

ISHARES TR4.0%

MU3.0%

ISHARES TR2.7%

GLD2.6%

MU2.3%

TSLA1.6%

Others (918)34.6%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Fund60.5%

Unclassified16.6%

Technology15.9%

Financial Services2.8%

Consumer Cyclical2.0%

Other2.2%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 928Median: 0.00%Avg: 0.11%

0–0.5%

899(19.0%)

0.5–1%

14(9.3%)

1–3%

10(18.6%)

3–5%

1(4.0%)

5%+

4(49.1%)

Count of positions per weight bucket — (%) = combined portfolio weight

Loading summary cards...

Portfolio Overlap

Shared: 0Unique: 928vs 20 funds

0%Low

928

Fund positions

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

Loading overlap analysis...

Position Changes This Quarter

New901Increased904Decreased885Exited444

New Positions

SPACE EXPLORATION TE…0.2%

+4.4M

SPACE EXPLORATION TE…0.1%

+2.3M

GOOGL0.0%

+398K

NFLX0.0%

+1.0M

DDOG0.0%

+316K

NET0.0%

+305K

CRCL0.0%

+307K

USHY0.0%

+550K

BCS0.0%

+1.1M

BABA0.0%

+233K

Increased

IBIT0.1%

+8.5M(+470%)

LYG0.0%

+8.3M(+335%)

ISHARES TR0.5%

+6.9M(+53%)

STATE STR SPDR S&amp…15.0%

+6.0M(+9%)

ISHARES TR2.7%

+6.0M(+21%)

INVESCO QQQ TR9.1%

+5.7M(+14%)

NOKBF0.0%

+5.2M(+293%)

IBIT0.1%

+5.1M(+479%)

MU3.0%

+4.2M(+77%)

SELECT SECTOR SPDR T…0.2%

+4.1M(+34%)

Decreased

ON1.6%

-27,755,000(-31%)

SLV0.3%

-15,377,800(-40%)

SLV0.3%

-8,859,500(-31%)

PETROLEO BRASILEIRO …0.0%

-8,559,700(-50%)

STATE STR SPDR S&amp…17.4%

-7,142,400(-8%)

GLD1.2%

-7,052,500(-37%)

ISHARES INC0.1%

-4,418,800(-23%)

ON1.1%

-3,697,600(-8%)

GLD2.6%

-3,331,200(-11%)

ISHARES TR0.0%

-3,177,800(-63%)

Exited

-605,577

-326,280

-85,878

-83,004

-124,886

-135,072

-59,996

-90,811

-2

ETF OPPORTUNITIES TR…

-180,958

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

Loading position changes...

Holdings

Loading holdings...