Tenable Holdings
TENB
281 hedge funds and large institutions have $2.64B invested in Tenable Holdings in 2025 Q4 according to their latest regulatory filings, with 50 funds opening new positions, 111 increasing their positions, 99 reducing their positions, and 50 closing their positions.
12% more repeat investments, than reductions
Existing positions increased: 111 | Existing positions reduced: 99
3% more ownership
Funds ownership: 91.09% → 94.09% (+3%)
0% more first-time investments, than exits
New positions opened: 50 | Existing positions closed: 50
3% less funds holding
Funds holding: 289 → 281 (-8)
18% less capital invested
Capital invested by funds: $3.22B → $2.64B (-$574M)
80% less call options, than puts
Call options by funds: $273K | Put options by funds: $1.35M
100% less funds holding in top 10
Funds holding in top 10: 1 → 0 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
+$64.7M |
| 2 |
First Trust Advisors
Wheaton,
Illinois
|
+$28M |
| 3 |
Alyeska Investment Group
Chicago,
Illinois
|
+$25.1M |
| 4 |
Federated Hermes
Pittsburgh,
Pennsylvania
|
+$18.4M |
| 5 |
Barclays
London,
United Kingdom
|
+$17.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$43.8M |
| 2 |
CIP
Champlain Investment Partners
Burlington,
Vermont
|
-$32.4M |
| 3 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
-$25.3M |
| 4 |
Marshall Wace
London,
United Kingdom
|
-$23.6M |
| 5 |
Millennium Management
New York
|
-$21.2M |
TENB Hedge Fund Activity: Q4 2025 in Review
281 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Tenable Holdings (TENB) for Q4 2025, worth a combined $2.64B — down 18% from $3.22B a quarter earlier.
Fund positioning in TENB was balanced in Q4 2025: 50 funds opened new positions, 50 closed out, 111 added to existing stakes and 99 trimmed.
The largest buyer was UBS Group, adding an estimated $64.7M. The largest seller was Royal Bank of Canada, cutting an estimated $43.8M.
- 281 institutional investors held Tenable Holdings (TENB) as of Q4 2025, down from 289 in Q3 2025.
- Funds reported $2.64B of Tenable Holdings stock for Q4 2025, down 18% quarter-over-quarter.
- 50 funds opened new Tenable Holdings positions in Q4 2025 and 50 closed out, a net change of 0 holders.
- The largest Tenable Holdings buyer in Q4 2025 was UBS Group, an estimated $64.7M added.
- The largest Tenable Holdings seller in Q4 2025 was Royal Bank of Canada, an estimated $43.8M sold.
Based on aggregated 13F filings for Q4 2025.