13FAI ai-powered hedge fund tracker

BLACKROCK INC (BLK) — Hedge Fund Ownership Q1 2026

BLK
Q1 2026Q4 2025Q3 2025Q2 2025
  • BLACKROCK INC (BLK) is held by 5 of 82 tracked hedge funds, with ValueAct Capital (9%) and Cantillon Capital Management (3%) holding the largest stakes, indicating limited hedge fund interest relative to peers.
  • The biggest increases in BLK holdings came from Hillman Capital Management (+4%), highlighting conviction.
  • The biggest decreases in BLK holdings came from ValueAct Capital (-21%) and Cantillon Capital Management (-12%), suggesting profit-taking or de-risking.
  • 1 hedge fund exited BLK.
  • Overall, hedge funds decreased exposure to BLACKROCK INC (BLK) by -15% vs the prior quarter and -2% vs prior year.
# Fund % of Portfolio † Shares † Shares vs Prior Quarter † Shares vs Prior Year † Aggregate Value † Reported Price * Option
1
ValueAct Capital
9.19% 546K -21.42% $525.2M $961.71
2
Cantillon Capital Management
William von Mueffling
2.90% 453K -11.86% -3.11% $435.9M $961.71
3
Markel Group
Tom Gayner
1.77% 220K $211.8M $961.71
4
Hillman Capital Management
Mark Hillman
0.23% 347 +4.20% +1.17% $333,713 $961.71
5
Dodge & Cox
0.00% 711 +8.55% $683,776 $961.71
Mairs & Power
EXITED
5 Total 1.2M -14.68% -2.11% $1.17B
* Reported price is not an actual purchase or sale price. It is the price as of the last portfolio date.
† Portfolio value, share counts, and period-over-period changes exclude options positions (PUT/CALL), which are shown in the Option column for reference only.