PEAK6
BLK icon

PEAK6’s Blackrock BLK Stock Holding History

PEAK6’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 		$289K Sell
300
-1,000
-77% -$1.05M ﹤0.01% 2165
2025
Q4 		$1.39M Sell
1,300
-5,000
-79% -$5.47M ﹤0.01% 1615
2025
Q3 		$7.34M Sell
6,300
-24,400
-79% -$27.3M 0.01% 846
2025
Q2 		$32.2M Buy
30,700
+20,200
+192% +$19.1M 0.06% 267
2025
Q1 		$9.94M Buy
10,500
+6,300
+150% +$6.17M 0.02% 606
2024
Q4 		$4.31M Buy
+4,200
New +$4.26M 0.01% 990

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

PEAK6's BLK Position: Q1 2026 in Review

PEAK6 reduced its Blackrock (BLK) stake by 100% in Q1 2026, selling an estimated $4.4M and leaving 3 shares worth $2.52K. The position accounts for ﹤0.01% of the portfolio, ranked #2563.

PEAK6 first reported a position in BLK in Q4 2024 and has held it in 6 quarters since. The position peaked at $4.47M in Q4 2025. 2,320 funds tracked by Wall St. Rank hold BLK as of Q1 2026.

  • PEAK6 held 3 shares of Blackrock worth $2.52K as of Q1 2026.
  • PEAK6 sold 4,178 Blackrock shares in Q1 2026, an estimated $4.4M.
  • Blackrock made up ﹤0.01% of PEAK6's portfolio in Q1 2026, its #2563 holding.
  • PEAK6 first reported a position in Blackrock in Q4 2024 and has held it in 6 quarters since.
  • PEAK6's Blackrock position peaked at $4.47M in Q4 2025.
  • 2,320 funds tracked by Wall St. Rank held Blackrock as of Q1 2026.

Based on PEAK6's 13F filing for Q1 2026, filed 14 May 2026.