Ticker · CUSIP 88025T102
Holders (tracked)
11
Combined shares
7,312,805
Combined value
$172.07M
Last close
$19.03
Quarter
2025Q4
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
Price is -19.1% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
21 events
- D.E. Shaw & Co. trimmed2026-02-17−127,287 shares · 2025Q4Position
- Two Sigma Investments added2026-02-17+359,879 shares · 2025Q4Position
- Ken Griffin (Citadel Advisors) added2026-02-17+41,747 shares · 2025Q4Position
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−777,385 shares · 2025Q4Position
- Steve Cohen (Point72) trimmed2026-02-17−467,067 shares · 2025Q4Position
- T. Rowe Price added2026-02-17+13,046 shares · 2025Q4Position
- AQR Capital Management added2026-02-17+126,115 shares · 2025Q4Position
- Ray Dalio (Bridgewater Associates) added2026-02-13+49,608 shares · 2025Q4Position
- Renaissance Technologies added2026-02-12+278,100 shares · 2025Q4Position
- Norges Bank (Norway SWF) opened position2026-02-10+1,893,007 shares · 2025Q4Position
- −10,396 shares · 2025Q3Position
- AQR Capital Management added2025-11-14+120,957 shares · 2025Q3Position
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−119,452 shares · 2025Q3Position
- Steve Cohen (Point72) added2025-11-14+9,343 shares · 2025Q3Position
- Two Sigma Investments added2025-11-14+328,545 shares · 2025Q3Position
- D.E. Shaw & Co. added2025-11-14+281,152 shares · 2025Q3Position
- T. Rowe Price trimmed2025-11-14−125,482 shares · 2025Q3Position
- +10,216 shares · 2025Q3Position
- Renaissance Technologies added2025-11-13+231,400 shares · 2025Q3Position
- Norges Bank (Norway SWF) exited2025-11-13−1,420,464 shares · 2025Q3Position
- Norges Bank (Norway SWF) trimmed2025-11-12−6,411 shares · 2024Q3Position
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of TENB…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| Ken Griffin (Citadel Advisors) | 2019Q1 | $23.61 | -19.4% | $12.4M |
| Ken Griffin (Citadel Advisors) | 2019Q1 | $23.61 | -19.4% | $12.4M |
| Ray Dalio (Bridgewater Associates) | 2025Q3 | $24.49 | -22.3% | $1.1M |
| Renaissance Technologies | 2019Q3 | $26.45 | -28.1% | $10.0M |
| Izzy Englander (Millennium Mgmt) | 2018Q4 | $29.51 | -35.5% | $15.6M |
| Two Sigma Investments | 2019Q1 | $31.19 | -39.0% | $23.5M |
| AQR Capital Management | 2020Q3 | $32.03 | -40.6% | $10.8M |
| D.E. Shaw & Co. | 2019Q1 | $34.11 | -44.2% | $26.4M |
| Steve Cohen (Point72) | 2018Q3 | $37.65 | -49.5% | $952K |
| T. Rowe Price | 2019Q2 | $41.25 | -53.9% | $2.3M |
| Norges Bank (Norway SWF) | 2018Q3 | $3241.04 | -99.4% | $36.0M |
Who moved on this name in 2025Q4
Position changes reported for the latest quarter, grouped by direction.
New positions1
- Norges Bank (Norway SWF)+1,893,007$44.5M
Added to6
- Two Sigma Investments+359,879$8.5M
- Renaissance Technologies+278,100$6.5M
- AQR Capital Management+126,115$3.0M
- Ray Dalio (Bridgewater Associates)+49,608$1.2M
- Ken Griffin (Citadel Advisors)+41,747$982K
- T. Rowe Price+13,046$307
Trimmed3
- Izzy Englander (Millennium Mgmt)−777,385$18.3M
- Steve Cohen (Point72)−467,067$11.0M
- D.E. Shaw & Co.−127,287$3.0M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 15 | $46.28B |
| 2022Q2 | 14 | $42.83B |
| 2022Q3 | 13 | $432.5M |
| 2022Q4 | 15 | $525.1M |
| 2023Q1 | 14 | $655.5M |
| 2023Q2 | 12 | $557.0M |
| 2023Q3 | 13 | $606.9M |
| 2023Q4 | 12 | $669.6M |
| 2024Q1 | 12 | $761.2M |
| 2024Q2 | 13 | $643.9M |
| 2024Q3 | 11 | $191.6M |
| 2024Q4 | 12 | $205.5M |
| 2025Q1 | 12 | $160.0M |
| 2025Q2 | 12 | $230.9M |
| 2025Q3 | 12 | $176.0M |
| 2025Q4 | 11 | $172.1M |
Who owns TENB
11 super-investors · 2025Q4
Tracked stake
7.31M
shares
Combined value
$172M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added7Trim3
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Norges Bank Norway SWF | 1.89M | $45M |
| 2 | D.E. Shaw & Co. | 1.39M | $33M |
| 3 | Two Sigma Investments | 1.23M | $29M |
| 4 | Izzy Englander Millennium Mgmt | 821.4K | $19M |
| 5 | Ken Griffin Citadel Advisors | 652.7K | $15M |
| 6 | AQR Capital Management | 565.7K | $13M |
| 7 | Renaissance Technologies | 523.3K | $12M |
| 8 | T. Rowe Price | 118.4K | $3M |
| 9 | Ray Dalio Bridgewater Associates | 59.8K | $1M |
| 10 | Steve Cohen Point72 | 50.0K | $1M |
| 11 | Ken Griffin Citadel Advisors | 9.6K | $226K |
Recent moves
20 transactions
- −777,385 · 2025Q4
- +359,879 · 2025Q4
- −467,067 · 2025Q4
- +126,115 · 2025Q4
- +13,046 · 2025Q4
- +41,747 · 2025Q4
- TRIMD.E. Shaw & Co.−127,287 · 2025Q4
- +49,608 · 2025Q4
- +278,100 · 2025Q4
- +1,893,007 · 2025Q4
- −10,396 · 2025Q3
- +328,545 · 2025Q3
- +281,152 · 2025Q3
- +9,343 · 2025Q3
- TRIMT. Rowe Price−125,482 · 2025Q3
- −119,452 · 2025Q3
- +120,957 · 2025Q3
- +231,400 · 2025Q3
- −1,420,464 · 2025Q3
- +10,216 · 2025Q3
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