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OP Asset Management’s Blackrock BLK Stock Holding History

OP Asset Management’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 		$14.4M Sell
14,937
-1,160
-7% -$1.22M 0.14% 100
2025
Q4 		$17.2M Buy
16,097
+197
+1% +$215K 0.2% 86
2025
Q3 		$18.5M Buy
15,900
+314
+2% +$351K 0.24% 71
2025
Q2 		$16.4M Buy
15,586
+145
+0.9% +$137K 0.23% 75
2025
Q1 		$14.6M Buy
+15,441
New +$15.1M 0.24% 79

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

OP Asset Management's BLK Position: Q1 2026 in Review

OP Asset Management reduced its Blackrock (BLK) stake by 7.2% in Q1 2026, selling an estimated $1.22M and leaving 14,937 shares worth $14.4M. The position accounts for 0.14% of the portfolio, ranked #100.

OP Asset Management first reported a position in BLK in Q1 2025 and has held it in 5 quarters since. The position peaked at $18.5M in Q3 2025. 2,320 funds tracked by Wall St. Rank hold BLK as of Q1 2026.

  • OP Asset Management held 14,937 shares of Blackrock worth $14.4M as of Q1 2026.
  • OP Asset Management sold 1,160 Blackrock shares in Q1 2026, an estimated $1.22M.
  • Blackrock made up 0.14% of OP Asset Management's portfolio in Q1 2026, its #100 holding.
  • OP Asset Management first reported a position in Blackrock in Q1 2025 and has held it in 5 quarters since.
  • OP Asset Management's Blackrock position peaked at $18.5M in Q3 2025.
  • 2,320 funds tracked by Wall St. Rank held Blackrock as of Q1 2026.

Based on OP Asset Management's 13F filing for Q1 2026, filed 9 Apr 2026.