Box
398 hedge funds and large institutions have $3.31B invested in Box in 2026 Q1 according to their latest regulatory filings, with 66 funds opening new positions, 163 increasing their positions, 120 reducing their positions, and 72 closing their positions.
966% more call options, than puts
Call options by funds: $81M | Put options by funds: $7.6M
36% more repeat investments, than reductions
Existing positions increased: 163 | Existing positions reduced: 120
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0.19% less ownership
Funds ownership: 101.17% → 100.98% (-0.19%)
8% less first-time investments, than exits
New positions opened: 66 | Existing positions closed: 72
3% less funds holding
Funds holding: 412 → 398 (-14)
24% less capital invested
Capital invested by funds: $4.33B → $3.31B (-$1.03B)
Top Buyers
| 1 |
Citadel Advisors
Miami,
Florida
|
+$52.3M |
| 2 |
Squarepoint
New York
|
+$50.8M |
| 3 |
Marshall Wace
London,
United Kingdom
|
+$22.2M |
| 4 |
SCM
Shaolin Capital Management
Miami,
Florida
|
+$21.9M |
| 5 |
Jones Financial Companies
Des Peres,
Missouri
|
+$17.2M |
Top Sellers
| 1 |
SM
Sunriver Management
Greenwich,
Connecticut
|
-$52.1M |
| 2 |
CAM
Congress Asset Management
Boston,
Massachusetts
|
-$46.4M |
| 3 |
Wells Fargo
San Francisco,
California
|
-$29.8M |
| 4 |
Deutsche Bank
Frankfurt Am Main Ge,
Germany
|
-$27.5M |
| 5 |
UBS Group
Zurich,
Switzerland
|
-$19.3M |
BOX Hedge Fund Activity: Q1 2026 in Review
398 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Box (BOX) for Q1 2026, worth a combined $3.31B — down 24% from $4.33B a quarter earlier.
Sellers outnumbered buyers: 72 funds closed out of BOX and 66 opened new positions — a net loss of 6 holders — while 120 trimmed existing stakes and 163 added.
The largest buyer was Citadel Advisors, adding an estimated $52.3M. The largest seller was Sunriver Management, exiting entirely with an estimated $52.1M sold.
- 398 institutional investors held Box (BOX) as of Q1 2026, down from 412 in Q4 2025.
- Funds reported $3.31B of Box stock for Q1 2026, down 24% quarter-over-quarter.
- 66 funds opened new Box positions in Q1 2026 and 72 closed out, a net change of -6 holders.
- The largest Box buyer in Q1 2026 was Citadel Advisors, an estimated $52.3M added.
- The largest Box seller in Q1 2026 was Sunriver Management, an estimated $52.1M sold.
Based on aggregated 13F filings for Q1 2026.