Optiver Holding
BLK icon

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
Q2 		$19.3M Buy
+20,026
New +$20.7M 0.01% 335
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
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $37.3B AUM 12.6% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Optiver Holding's BLK Position: Q2 2026 in Review

Optiver Holding opened a new position in Blackrock (BLK) in Q2 2026: 20,026 shares worth $19.3M. The stake represents 0.01% of the portfolio and ranks #335 among its holdings. This is a return to the name: Optiver Holding previously reported a position in BLK as recently as Q4 2025.

Optiver Holding first reported a position in BLK in Q3 2021 and has held it in 9 quarters since. 2,329 funds tracked by Wall St. Rank hold BLK as of Q2 2026.

  • Optiver Holding held 20,026 shares of Blackrock worth $19.3M as of Q2 2026.
  • Blackrock was a new Optiver Holding position in Q2 2026.
  • Blackrock made up 0.01% of Optiver Holding's portfolio in Q2 2026, its #335 holding.
  • Optiver Holding first reported a position in Blackrock in Q3 2021 and has held it in 9 quarters since.
  • 2,329 funds tracked by Wall St. Rank held Blackrock as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.