Cactus
342 hedge funds and large institutions have $3.93B invested in Cactus in 2026 Q2 according to their latest regulatory filings, with 57 funds opening new positions, 127 increasing their positions, 106 reducing their positions, and 35 closing their positions.
637% more call options, than puts
Call options by funds: $14.2M | Put options by funds: $1.92M
63% more first-time investments, than exits
New positions opened: 57 | Existing positions closed: 35
20% more repeat investments, than reductions
Existing positions increased: 127 | Existing positions reduced: 106
11% more capital invested
Capital invested by funds: $3.54B → $3.93B (+$384M)
6% more funds holding
Funds holding: 324 → 342 (+18)
1.96% more ownership
Funds ownership: 108.62% → 110.59% (+2%)
100% less funds holding in top 10
Funds holding in top 10: 3 → 0 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Boston Partners
Boston,
Massachusetts
|
+$256M |
| 2 |
GKIM
GW&K Investment Management
Boston,
Massachusetts
|
+$41.9M |
| 3 |
Capital Research Global Investors
Los Angeles,
California
|
+$40.2M |
| 4 |
BlackRock
New York
|
+$25.7M |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$21.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$93.9M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$49.9M |
| 3 |
WCCM
Webs Creek Capital Management
Dallas,
Texas
|
-$45.4M |
| 4 |
Millennium Management
New York
|
-$37.7M |
| 5 |
FGP
Freestone Grove Partners
San Francisco,
California
|
-$33.5M |
WHD Hedge Fund Activity: Q2 2026 in Review
342 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Cactus (WHD) for Q2 2026, worth a combined $3.93B — up 11% from $3.54B a quarter earlier.
Buyers outnumbered sellers: 57 funds opened new WHD positions and 35 closed out — a net gain of 22 holders — while 127 added to existing stakes and 106 trimmed.
The largest buyer was Boston Partners, opening a new position worth an estimated $256M. The largest seller was Fidelity Investments, cutting an estimated $93.9M.
- 342 institutional investors held Cactus (WHD) as of Q2 2026, up from 324 in Q1 2026.
- Funds reported $3.93B of Cactus stock for Q2 2026, up 11% quarter-over-quarter.
- 57 funds opened new Cactus positions in Q2 2026 and 35 closed out, a net change of +22 holders.
- The largest Cactus buyer in Q2 2026 was Boston Partners, an estimated $256M added.
- The largest Cactus seller in Q2 2026 was Fidelity Investments, an estimated $93.9M sold.
Based on aggregated 13F filings for Q2 2026.