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
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 $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
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.