Blackrock
BLK
2,334 hedge funds and large institutions have $113B invested in Blackrock in 2026 Q1 according to their latest regulatory filings, with 161 funds opening new positions, 896 increasing their positions, 944 reducing their positions, and 205 closing their positions.
5% less repeat investments, than reductions
Existing positions increased: 896 | Existing positions reduced: 944
4% less funds holding
Funds holding: 2,419 → 2,334 (-85)
5% less ownership
Funds ownership: 80.72% → 75.73% (-5%)
11% less capital invested
Capital invested by funds: $127B → $113B (-$13.3B)
15% less call options, than puts
Call options by funds: $1.22B | Put options by funds: $1.43B
21% less first-time investments, than exits
New positions opened: 161 | Existing positions closed: 205
33% less funds holding in top 10
Funds holding in top 10: 39 → 26 (-13)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
+$2.31B |
| 2 |
Capital Research Global Investors
Los Angeles,
California
|
+$812M |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
+$370M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$315M |
| 5 |
Goldman Sachs
New York
|
+$302M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Corient Private Wealth
Miami,
Florida
|
-$5.79B |
| 2 |
OHIS
Oak Harvest Investment Services
Houston,
Texas
|
-$1.67B |
| 3 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$596M |
| 4 |
Capital International Investors
Los Angeles,
California
|
-$523M |
| 5 |
DZ Bank
Frankfurt Am Main,
Germany
|
-$335M |
BLK Hedge Fund Activity: Q1 2026 in Review
2,334 of the 8,173 institutional investors tracked by Wall St. Rank reported a position in Blackrock (BLK) for Q1 2026, worth a combined $113B — down 11% from $127B a quarter earlier.
Sellers outnumbered buyers: 205 funds closed out of BLK and 161 opened new positions — a net loss of 44 holders — while 944 trimmed existing stakes and 896 added.
The largest buyer was Wellington Management Group, adding an estimated $2.31B. The largest seller was Corient Private Wealth, cutting an estimated $5.79B.
- 2,334 institutional investors held Blackrock (BLK) as of Q1 2026, down from 2,419 in Q4 2025.
- Funds reported $113B of Blackrock stock for Q1 2026, down 11% quarter-over-quarter.
- 161 funds opened new Blackrock positions in Q1 2026 and 205 closed out, a net change of -44 holders.
- The largest Blackrock buyer in Q1 2026 was Wellington Management Group, an estimated $2.31B added.
- The largest Blackrock seller in Q1 2026 was Corient Private Wealth, an estimated $5.79B sold.
Based on aggregated 13F filings for Q1 2026.