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 		$111M Buy
115,600
+26,600
+30% +$27.5M 0.03% 149
2026
Q1 		$85.6M Buy
89,000
+1,500
+2% +$1.58M 0.03% 138
2025
Q4 		$93.7M Buy
87,500
+49,500
+130% +$54.1M 0.03% 122
2025
Q3 		$44.3M Buy
38,000
+30,200
+387% +$33.8M 0.02% 147
2025
Q2 		$8.18M Buy
+7,800
New +$7.38M ﹤0.01% 188
2025
Q1 		– Sell
-10,100
Closed -$10.4M – 1360
2024
Q4 		$10.4M Sell
10,100
-25,900
-72% -$26.3M 0.01% 188
2024
Q3 		$34.2M Sell
36,000
-41,200
-53% -$35.7M 0.02% 129
2024
Q2 		$60.8M Buy
77,200
+67,200
+672% +$52.4M 0.03% 120
2024
Q1 		$8.34M Buy
+10,000
New +$8.03M ﹤0.01% 308

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.