One River Asset Management’s Blackrock BLK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$593K Buy
617
+561
+1,002% +$590K 0.22% 113
2025
Q4
$59.9K Buy
+56
New +$61.2K 0.01% 214
2024
Q4
Sell
-29
Closed -$29.4K 258
2024
Q3
$27.4K Buy
+29
New +$25.1K ﹤0.01% 288
2023
Q4
Sell
-3,031
Closed -$2.12M 312
2023
Q3
$1.95M Buy
3,031
+2,687
+781% +$1.88M 0.06% 169
2023
Q2
$237K Sell
344
-1,369
-80% -$917K 0.03% 217
2023
Q1
$1.13M Buy
+1,713
New +$1.21M 0.05% 184

Other funds holding BLK

One River Asset Management's BLK Position: Q1 2026 in Review

One River Asset Management increased its Blackrock (BLK) stake by 1,002% in Q1 2026, buying an estimated $590K and bringing the position to 617 shares worth $593K. The position accounts for 0.22% of the portfolio, ranked #113.

One River Asset Management first reported a position in BLK in Q1 2023 and has held it in 6 quarters since. The position peaked at $1.95M in Q3 2023. 2,320 funds tracked by Wall St. Rank hold BLK as of Q1 2026.

  • One River Asset Management held 617 shares of Blackrock worth $593K as of Q1 2026.
  • One River Asset Management bought 561 Blackrock shares in Q1 2026, an estimated $590K.
  • Blackrock made up 0.22% of One River Asset Management's portfolio in Q1 2026, its #113 holding.
  • One River Asset Management first reported a position in Blackrock in Q1 2023 and has held it in 6 quarters since.
  • One River Asset Management's Blackrock position peaked at $1.95M in Q3 2023.
  • 2,320 funds tracked by Wall St. Rank held Blackrock as of Q1 2026.

Based on One River Asset Management's 13F filing for Q1 2026, filed 27 Apr 2026.