Optiver Holding’s Blackrock BLK Stock Holding History

Optiver Holding’s Portfolio BLK Stock Details BLK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-11,461	Closed	-$12.1M	–	2351
2025 Q4	$12.3M	Buy	+11,461	New	+$12.5M	﹤0.01%	305
2025 Q2	–	Sell	-2,722	Closed	-$2.57M	–	1476
2025 Q1	$2.58M	Sell	2,722 -273	-9%	-$268K	﹤0.01%	250
2024 Q4	$3.07M	Sell	2,995 -5,656	-65%	-$5.74M	﹤0.01%	294
2024 Q3	$8.21M	Buy	+8,651	New	+$7.49M	﹤0.01%	254
2023 Q4	–	Sell	-27	Closed	-$17.5K	–	498
2023 Q3	$17.5K	Buy	+27	New	+$18.9K	﹤0.01%	482
2023 Q2	–	Sell	-17	Closed	-$11.4K	–	495
2023 Q1	$11.4K	Buy	+17	New	+$12K	﹤0.01%	455
2022 Q1	–	Sell	-390	Closed	-$327K	–	538
2021 Q4	$327K	Hold	390	–	–	﹤0.01%	266
2021 Q3	$327K	Buy	+390	New	+$349K	﹤0.01%	228

Other funds holding BLK

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Optiver Holding's BLK Position: Q1 2026 in Review

Optiver Holding sold out of Blackrock (BLK) in Q1 2026, closing a stake of 11,461 shares — an estimated $12.1M sold.

Optiver Holding first reported a position in BLK in Q3 2021 and held it in 8 quarters. The position peaked at $12.3M in Q4 2025. 2,320 funds tracked by Wall St. Rank hold BLK as of Q1 2026.

Optiver Holding reported no remaining Blackrock position as of Q1 2026 after selling out during the quarter.
Optiver Holding sold 11,461 Blackrock shares in Q1 2026, an estimated $12.1M.
Optiver Holding first reported a position in Blackrock in Q3 2021 and held it in 8 quarters.
Optiver Holding's Blackrock position peaked at $12.3M in Q4 2025.
2,320 funds tracked by Wall St. Rank held Blackrock as of Q1 2026.

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