TENBNasdaqServices-Prepackaged SoftwareFiscal year ends December 31
Tenable Holdings, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 4, 2026
$38.93+1.73 (+4.65%)
Close on Oct 19, 2026
- Market cap
- $4.43B
- P/E (TTM)
- 778.6
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
100.0%
116M of 110M shares
Institutional holders
311
76 new, 67 sold out
Net institutional buying
-2M
In Q2 2026
Insider trades, 12 months
3 buys · 7 sales
Net sold $2.44M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Vanguard Capital Management | 6,251,253 | 5.44% | 13G (passive) | Mar 31, 2026 |
| BlackRock, Inc. | 19,326,921 | 17.50% | 13G (passive) amendment | Aug 31, 2026 |
| Ameriprise Financial, Inc. | 15,063,544 | 13.70% | 13G (passive) amendment | May 31, 2026 |
| Vanguard Portfolio Management | 11,212,876 | 10.18% | 13G (passive) amendment | Aug 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of TENB | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Ameriprise Financial Inc | 15,226,424 | 13.82% | $561.65M | +6,726,977 | 0.11% |
| BlackRock, Inc. | 13,513,760 | 12.27% | $498.39M | +16,358 | 0.01% |
| Vanguard Portfolio Management LLC | 10,236,092 | 9.29% | $377.51M | +603,124 | 0.02% |
| Vanguard Capital Management LLC | 4,996,097 | 4.54% | $184.26M | −351,424 | 0.00% |
| Arrowstreet Capital, Limited Partnership | 4,406,990 | 4.00% | $162.53M | +674,719 | 0.07% |
| FMR LLC | 4,138,168 | 3.76% | $152.62M | +567,589 | 0.01% |
| State Street Corp | 3,236,610 | 2.94% | $119.37M | +151,480 | 0.00% |
| First Trust Advisors LP | 2,973,863 | 2.70% | $109.68M | +282,808 | 0.06% |
| Geode Capital Management, LLC | 2,961,886 | 2.69% | $109.25M | +37,192 | 0.01% |
| Penserra Capital Management LLC | 2,952,670 | 2.68% | $108.89K | −436,076 | 0.84% |
| Shapiro Capital Management LLC | 2,883,052 | 2.62% | $106.33M | −1,267,100 | 6.45% |
| Goldman Sachs Group Inc | 2,447,318 | 2.22% | $90.26M | +466,316 | 0.01% |
| Morgan Stanley | 2,250,650 | 2.04% | $83.00M | +43,370 | 0.00% |
| Manufacturers Life Insurance Company, The | 2,081,312 | 1.89% | $76.76M | +230,083 | 0.06% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2,018,248 | 1.83% | $74.32M | +72,322 | 0.09% |
| Aqr Capital Management LLC | 1,796,634 | 1.63% | $66.26M | +214,485 | 0.02% |
| Jane Street Group, LLC | 1,780,120 | 1.62% | $65.65M | +635,568 | 0.01% |
| Voya Investment Management LLC | 1,606,839 | 1.46% | $59.26M | +958,586 | 0.05% |
| Barclays PLC | 1,335,118 | 1.21% | $49.24M | −571,989 | 0.01% |
| Freestone Grove Partners LP | 1,152,100 | 1.05% | $42.49M | +1,148,837 | 0.27% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 311 | 116M | 100.0% | 76 / 101 | 111 / 67 | 21M | 24M |
| Q1 2026 | 307 | 119M | 100.0% | 68 / 133 | 83 / 38 | 43M | 21M |
| Q4 2025 | 281 | 113M | 100.0% | 50 / 111 | 99 / 50 | 15M | 13M |
| Q3 2025 | 289 | 111M | 100.0% | 48 / 126 | 83 / 37 | 15M | 16M |
| Q2 2025 | 281 | 111M | 100.0% | 37 / 127 | 89 / 50 | 22M | 19M |
| Q1 2025 | 297 | 108M | 98.1% | 45 / 124 | 97 / 42 | 11M | 18M |
| Q4 2024 | 297 | 116M | 100.0% | 52 / 116 | 93 / 42 | 17M | 10M |
| Q3 2024 | 292 | 109M | 99.1% | 46 / 113 | 97 / 37 | 21M | 9M |
| Q2 2024 | 287 | 108M | 98.4% | 45 / 112 | 99 / 33 | 9M | 12M |
| Q1 2024 | 279 | 111M | 100.0% | 43 / 113 | 90 / 33 | 12M | 7M |
| Q4 2023 | 273 | 107M | 97.2% | 35 / 100 | 108 / 41 | 11M | 8M |
| Q3 2023 | 281 | 104M | 94.8% | 51 / 115 | 78 / 34 | 10M | 6M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of TENB | Value | % of fund | As of |
|---|---|---|---|---|---|
| Columbia Seligman Technology and Information Fund | 8,878,977 | 8.06% | $250.65M | 0.89% | May 31, 2026 |
| Vanguard Total Stock Market Index Fund | 3,506,734 | 3.18% | $129.33M | 0.01% | Jun 30, 2026 |
| Vanguard Information Technology Index Fund | 3,053,643 | 2.77% | $86.20M | 0.05% | May 31, 2026 |
| Amplify Cybersecurity ETF | 2,952,670 | 2.68% | $108.89M | 4.20% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 2,952,142 | 2.68% | $108.87M | 0.13% | Jun 30, 2026 |
| First Trust Nasdaq Cybersecurity ETF | 2,613,593 | 2.37% | $96.39M | 0.70% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 2,525,513 | 2.29% | $93.14M | 0.05% | Jun 30, 2026 |
| Global X Cybersecurity ETF | 1,878,874 | 1.71% | $53.04M | 4.52% | May 31, 2026 |
| Vanguard Small-Cap Growth Index Fund | 1,459,110 | 1.32% | $53.81M | 0.11% | Jun 30, 2026 |
| iShares Cybersecurity and Tech ETF | 1,386,964 | 1.26% | $45.27M | 4.45% | Jul 31, 2026 |
| Vanguard Strategic Equity Fund | 1,346,246 | 1.22% | $49.65M | 0.41% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 1,265,290 | 1.15% | $46.66M | 0.05% | Jun 30, 2026 |
| Small Cap Core Fund | 1,261,546 | 1.15% | $41.18M | 2.12% | Jul 31, 2026 |
| Fidelity Small Cap Index Fund | 1,257,411 | 1.14% | $41.04M | 0.12% | Jul 31, 2026 |
| Columbia Seligman Global Technology Fund | 1,235,400 | 1.12% | $40.32M | 0.90% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Stephen A. Vintz | Co-Chief Executive Officer, Director | 618,672 | 0.56% | Aug 25, 2026 |
| Mark C. Thurmond | Co-Chief Executive Officer, Director | 196,787 | 0.18% | Aug 25, 2026 |
| Amit Yoran | President, CEO and Chairman, Director | 461,911 | 0.42% | Nov 26, 2024 |
| Matthew Charles Brown | Chief Financial Officer | 47,010 | 0.04% | Aug 25, 2026 |
| Linda Kay Zecher | Director | 7,012 | 0.01% | Aug 20, 2026 |
| Raymond Vicks Jr. | Director | 25,009 | 0.02% | Aug 11, 2026 |
| Margaret M. Keane | Director | 20,231 | 0.02% | Jun 17, 2026 |
| George Alex Tosheff | Director | 31,344 | 0.03% | May 15, 2026 |
| John C. Huffard Jr | Director | 112,484 | 0.10% | May 15, 2026 |
| Arthur W. Coviello Jr | Director | 57,793 | 0.05% | May 15, 2026 |
| A. Brooke Seawell | Director | 30,292 | 0.03% | May 15, 2026 |
| Niloofar Razi Howe | Director | 29,839 | 0.03% | May 15, 2026 |
| Barron Anschutz | – | 76,077 | 0.07% | Aug 25, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Barron Anschutz – | Aug 24, 2026 | Tax withholding | −780 | $33.94 | $26.47K | 76,077 |
| Barron Anschutz – | Aug 24, 2026 | Option exercise | +1,337 | – | – | 75,212 |
| Barron Anschutz – | Aug 24, 2026 | Tax withholding | −640 | $33.94 | $21.72K | 74,572 |
| Barron Anschutz – | Aug 24, 2026 | Option exercise | +1,258 | – | – | 75,830 |
| Barron Anschutz – | Aug 24, 2026 | Tax withholding | −602 | $33.94 | $20.43K | 75,228 |
| Barron Anschutz – | Aug 24, 2026 | Option exercise | +1,629 | – | – | 76,857 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +7,764 | – | – | 196,787 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −1,796 | $33.94 | $60.96K | 189,023 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +3,713 | – | – | 190,819 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −2,947 | $33.94 | $100.02K | 187,106 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +6,095 | – | – | 190,053 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −1,097 | $33.94 | $37.23K | 183,958 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −2,112 | $33.94 | $71.68K | 195,289 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −562 | $33.94 | $19.07K | 182,788 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +1,162 | – | – | 183,350 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −3,754 | $33.94 | $127.41K | 193,033 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +4,368 | – | – | 197,401 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +2,267 | – | – | 185,055 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +6,095 | – | – | 618,672 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −1,123 | $33.94 | $38.11K | 612,577 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −2,917 | $33.94 | $99.00K | 615,755 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +5,095 | – | – | 620,850 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −2,438 | $33.94 | $82.75K | 618,412 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +7,764 | – | – | 626,176 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −3,716 | $33.94 | $126.12K | 622,460 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +2,345 | – | – | 613,700 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −764 | $33.94 | $25.93K | 611,355 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +1,595 | – | – | 612,119 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Tax withholding | −2,163 | $33.94 | $73.41K | 624,816 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 24, 2026 | Option exercise | +4,519 | – | – | 626,979 |
| Matthew Charles Brown Chief Financial Officer | Aug 21, 2026 | Tax withholding | −7,400 | $34.38 | $254.41K | 47,010 |
| Matthew Charles Brown Chief Financial Officer | Aug 21, 2026 | Option exercise | +14,544 | – | – | 54,410 |
| Linda Kay Zecher Director | Aug 19, 2026 | Sale | −690 | $35.76 | $24.67K | 7,012 |
| Linda Kay Zecher Director | Aug 18, 2026 | Sale | −700 | $35.46 | $24.82K | 7,702 |
| Linda Kay Zecher Director | Aug 7, 2026 | Sale | −550 | $36.50 | $20.08K | 8,402 |
| Raymond Vicks Jr. Director | Aug 7, 2026 | Sale(10b5-1 plan) | −1,819 | $35.94 | $65.37K | 20,509 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 5, 2026 | Option exercise | +423,434 | $16.21 | $6.86M | 911,260 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | Aug 5, 2026 | Tax withholding | −300,736 | $36.48 | $10.97M | 610,524 |
| Linda Kay Zecher Director | Aug 4, 2026 | Sale | −600 | $36.00 | $21.60K | 8,952 |
| Linda Kay Zecher Director | Aug 3, 2026 | Sale | −1,470 | $34.00 | $49.98K | 9,552 |
| Margaret M. Keane Director | Jun 15, 2026 | Option exercise | +3,188 | – | – | 20,231 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +2,267 | – | – | 171,954 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Tax withholding | −562 | $25.45 | $14.30K | 169,687 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +1,162 | – | – | 170,249 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +6,095 | – | – | 176,952 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Tax withholding | −2,947 | $25.45 | $75.00K | 174,005 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Tax withholding | −1,097 | $25.45 | $27.92K | 170,857 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +4,368 | – | – | 184,300 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Tax withholding | −3,754 | $25.45 | $95.54K | 179,932 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Tax withholding | −1,796 | $25.45 | $45.71K | 175,922 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +7,764 | – | – | 183,686 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +3,713 | – | – | 177,718 |
| Mark C. Thurmond Co-Chief Executive Officer, Director | May 22, 2026 | Tax withholding | −2,112 | $25.45 | $53.75K | 182,188 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +1,595 | – | – | 475,129 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | May 22, 2026 | Tax withholding | −764 | $25.45 | $19.44K | 474,365 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +2,345 | – | – | 476,710 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | May 22, 2026 | Tax withholding | −1,123 | $25.45 | $28.58K | 475,587 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +6,095 | – | – | 481,682 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | May 22, 2026 | Tax withholding | −2,917 | $25.45 | $74.24K | 478,765 |
| Stephen A. Vintz Co-Chief Executive Officer, Director | May 22, 2026 | Option exercise | +5,095 | – | – | 483,860 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Zecher-Higgins Linda Director | Aug 18, 2026 | 1,400 | $52.39K | Aug 18, 2026 | Compensation |
| Raymond Vicks Jr. Director | Aug 7, 2026 | 1,819 | $65.37K | Aug 7, 2026 | Restricted Stock Vesting |
| A. Brooke Seawell Director | Dec 15, 2025 | 115,000 | $2.85M | Dec 15, 2025 | Options Granted - 10/26/2017 |
| Barron Anschutz Officer | Oct 17, 2025 | 976 | $28.40K | Oct 17, 2025 | Restricted Stock Vesting |
| A. Brooke Seawell Director | Sep 9, 2025 | 15,000 | $462.04K | Sep 9, 2025 | Initial Public Offering |
| A. Brooke Seawell Director | Sep 4, 2025 | 4,622 | $139.19K | Sep 4, 2025 | Restricted Stock Vesting |
| Mark C. Thurmond Officer | Aug 26, 2025 | 2,541 | $75.83K | Aug 26, 2025 | Restricted Stock Vesting |
| Stephen A. Vintz Officer | Aug 26, 2025 | 3,464 | $103.38K | Aug 26, 2025 | Restricted Stock Vesting |
| Barron Anschutz Officer | Aug 26, 2025 | 670 | $20.00K | Aug 26, 2025 | Restricted Stock Vesting |
| Barron Anschutz Officer | Aug 25, 2025 | 1,261 | $38.15K | Aug 25, 2025 | Restricted Stock Vesting |
| Mark C. Thurmond Officer | Aug 25, 2025 | 28,500 | $862.22K | Aug 25, 2025 | Restricted Stock Vesting |
| Stephen A. Vintz Officer | Aug 25, 2025 | 29,196 | $883.28K | Aug 25, 2025 | Restricted Stock Vesting |
| Barron Anschutz Officer | Jul 17, 2025 | 970 | $32.09K | Jul 17, 2025 | Restricted Stock Vesting |
| Stephen A. Vintz Officer | May 27, 2025 | 3,386 | $109.87K | May 27, 2025 | Restricted Stock Vesting |
| Barron Anschutz Officer | May 27, 2025 | 655 | $21.25K | May 27, 2025 | Restricted Stock Vesting |