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
Q2 		– Sell
-2,000
Closed -$1.92M – 2753
2026
Q1 		$1.92M Sell
2,000
-1,500
-43% -$1.58M ﹤0.01% 1386
2025
Q4 		$3.75M Sell
3,500
-3,500
-50% -$3.83M 0.01% 1087
2025
Q3 		$8.16M Buy
7,000
+4,000
+133% +$4.47M 0.01% 785
2025
Q2 		$3.15M Buy
3,000
+1,900
+173% +$1.8M 0.01% 1204
2025
Q1 		$1.04M Hold
1,100
– – ﹤0.01% 1748
2024
Q4 		$1.13M Buy
+1,100
New +$1.12M ﹤0.01% 1755

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 $3.38T AUM 44.17% 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

PEAK6's BLK Position: Q2 2026 in Review

PEAK6 increased its Blackrock (BLK) stake by 8,567% in Q2 2026, buying an estimated $266K and bringing the position to 260 shares worth $250K. The position accounts for ﹤0.01% of the portfolio, ranked #2210.

PEAK6 first reported a position in BLK in Q4 2024 and has held it in 7 quarters since. The position peaked at $4.47M in Q4 2025. 2,337 funds tracked by Wall St. Rank hold BLK as of Q2 2026.

  • PEAK6 held 260 shares of Blackrock worth $250K as of Q2 2026.
  • PEAK6 bought 257 Blackrock shares in Q2 2026, an estimated $266K.
  • Blackrock made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #2210 holding.
  • PEAK6 first reported a position in Blackrock in Q4 2024 and has held it in 7 quarters since.
  • PEAK6's Blackrock position peaked at $4.47M in Q4 2025.
  • 2,337 funds tracked by Wall St. Rank held Blackrock as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.