Tenable Holdings
TENB
311 hedge funds and large institutions have $4.27B invested in Tenable Holdings in 2026 Q2 according to their latest regulatory filings, with 76 funds opening new positions, 101 increasing their positions, 111 reducing their positions, and 67 closing their positions.
233% more call options, than puts
Call options by funds: $33M | Put options by funds: $9.92M
113% more capital invested
Capital invested by funds: $2.01B → $4.27B (+$2.26B)
13% more first-time investments, than exits
New positions opened: 76 | Existing positions closed: 67
1.84% more ownership
Funds ownership: 103.23% → 105.07% (+1.8%)
1% more funds holding
Funds holding: 307 → 311 (+4)
9% less repeat investments, than reductions
Existing positions increased: 101 | Existing positions reduced: 111
50% less funds holding in top 10
Funds holding in top 10: 2 → 1 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Ameriprise
Minneapolis,
Minnesota
|
+$158M |
| 2 |
FGP
Freestone Grove Partners
San Francisco,
California
|
+$27M |
| 3 |
LSV Asset Management
Chicago,
Illinois
|
+$25.3M |
| 4 |
VOYA Investment Management
Atlanta,
Georgia
|
+$22.5M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$15.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Mackenzie Financial
Toronto Ontario,
Ontario, Canada
|
-$54.1M |
| 2 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
-$31.2M |
| 3 |
SCM
Shapiro Capital Management
Atlanta,
Georgia
|
-$29.8M |
| 4 |
Alyeska Investment Group
Chicago,
Illinois
|
-$29.4M |
| 5 |
TI
Trexquant Investment
Stamford,
Connecticut
|
-$16.3M |
TENB Hedge Fund Activity: Q2 2026 in Review
311 of the 8,297 institutional investors tracked by Wall St. Rank reported a position in Tenable Holdings (TENB) for Q2 2026, worth a combined $4.27B — up 113% from $2.01B a quarter earlier.
Buyers outnumbered sellers: 76 funds opened new TENB positions and 67 closed out — a net gain of 9 holders — while 101 added to existing stakes and 111 trimmed.
The largest buyer was Ameriprise, adding an estimated $158M. The largest seller was Mackenzie Financial, cutting an estimated $54.1M.
- 311 institutional investors held Tenable Holdings (TENB) as of Q2 2026, up from 307 in Q1 2026.
- Funds reported $4.27B of Tenable Holdings stock for Q2 2026, up 113% quarter-over-quarter.
- 76 funds opened new Tenable Holdings positions in Q2 2026 and 67 closed out, a net change of +9 holders.
- The largest Tenable Holdings buyer in Q2 2026 was Ameriprise, an estimated $158M added.
- The largest Tenable Holdings seller in Q2 2026 was Mackenzie Financial, an estimated $54.1M sold.
Based on aggregated 13F filings for Q2 2026.