Tenable Holdings
TENB
289 hedge funds and large institutions have $3.22B invested in Tenable Holdings in 2025 Q3 according to their latest regulatory filings, with 48 funds opening new positions, 125 increasing their positions, 83 reducing their positions, and 37 closing their positions.
1,285% more call options, than puts
Call options by funds: $13.5M | Put options by funds: $973K
51% more repeat investments, than reductions
Existing positions increased: 125 | Existing positions reduced: 83
30% more first-time investments, than exits
New positions opened: 48 | Existing positions closed: 37
3% more funds holding
Funds holding: 281 → 289 (+8)
0.02% less ownership
Funds ownership: 91.11% → 91.09% (-0.02%)
14% less capital invested
Capital invested by funds: $3.76B → $3.22B (-$543M)
75% less funds holding in top 10
Funds holding in top 10: 4 → 1 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
+$47.7M |
| 2 |
SCM
Shapiro Capital Management
Atlanta,
Georgia
|
+$31.6M |
| 3 |
Barclays
London,
United Kingdom
|
+$26M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$24.3M |
| 5 |
Ameriprise
Minneapolis,
Minnesota
|
+$22.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$96.3M |
| 2 |
Morgan Stanley
New York
|
-$59.5M |
| 3 |
Alyeska Investment Group
Chicago,
Illinois
|
-$39.1M |
| 4 |
Squarepoint
New York
|
-$36M |
| 5 |
American Century Companies
Kansas City,
Missouri
|
-$27.1M |
TENB Hedge Fund Activity: Q3 2025 in Review
289 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Tenable Holdings (TENB) for Q3 2025, worth a combined $3.22B — down 14% from $3.76B a quarter earlier.
Buyers outnumbered sellers: 48 funds opened new TENB positions and 37 closed out — a net gain of 11 holders — while 125 added to existing stakes and 83 trimmed.
The largest buyer was Royal Bank of Canada, adding an estimated $47.7M. The largest seller was Fidelity Investments, cutting an estimated $96.3M.
- 289 institutional investors held Tenable Holdings (TENB) as of Q3 2025, up from 281 in Q2 2025.
- Funds reported $3.22B of Tenable Holdings stock for Q3 2025, down 14% quarter-over-quarter.
- 48 funds opened new Tenable Holdings positions in Q3 2025 and 37 closed out, a net change of +11 holders.
- The largest Tenable Holdings buyer in Q3 2025 was Royal Bank of Canada, an estimated $47.7M added.
- The largest Tenable Holdings seller in Q3 2025 was Fidelity Investments, an estimated $96.3M sold.
Based on aggregated 13F filings for Q3 2025.