TENABLE HLDGS INC TENB
COM · Common Stock · CUSIP 88025T102 · ISIN US88025T1025
- SectorTechnology
- IndustryServices-Prepackaged Software
- HeadquartersColumbia, MD
- Founded2002
- Websitetenable.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($19.5m this quarter). Holder counts are more reliable. Shares outstanding: 121.1m as of 2025-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $33.78. Options: 6 managers hold calls ($1.2m notional), 5 hold puts ($898.2k).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 288 |
| Q4 2022 | 277 |
| Q1 2023 | 284 |
| Q2 2023 | 267 |
| Q3 2023 | 283 |
| Q4 2023 | 275 |
| Q1 2024 | 280 |
| Q2 2024 | 288 |
| Q3 2024 | 293 |
| Q4 2024 | 297 |
| Q1 2025 | 298 |
| Q2 2025 | 284 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 164 | 112 |
| Q4 2023 | 128 | 150 |
| Q1 2024 | 154 | 123 |
| Q2 2024 | 154 | 132 |
| Q3 2024 | 156 | 134 |
| Q4 2024 | 156 | 136 |
| Q1 2025 | 165 | 137 |
| Q2 2025 | 160 | 139 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $5.0m | $9.8m | 1.96 |
| Q4 2024 | $4.9m | $1.1m | 0.22 |
| Q1 2025 | $3.9m | $968.1k | 0.25 |
| Q2 2025 | $1.2m | $898.2k | 0.72 |
Biggest buyers
| MORGAN STANLEY | Added | +3.0m |
| Assenagon Asset Management S.A. | Added | +3.0m |
| Alyeska Investment Group, L.P. | Added | +2.0m |
| SHAPIRO CAPITAL MANAGEMENT LLC | Added | +1.3m |
| MARSHALL WACE, LLP | Added | +904.7k |
| CITADEL ADVISORS LLC | Added | +735.3k |
| D. E. Shaw & Co., Inc. | Added | +701.8k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Added | +618.3k |
| Squarepoint Ops LLC | Added | +589.8k |
| MILLENNIUM MANAGEMENT LLC | Added | +572.8k |
Biggest sellers
| FMR LLC | Reduced | -7.2m |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Sold out | -2.4m |
| ArrowMark Colorado Holdings LLC | Sold out | -1.5m |
| Fisher Asset Management, LLC | Sold out | -1.2m |
| MACKENZIE FINANCIAL CORP | Reduced | -1.1m |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | -805.2k |
| JANUS HENDERSON GROUP PLC | Reduced | -691.0k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -488.8k |
| LOOMIS SAYLES & CO L P | Sold out | -459.8k |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -320.7k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $564.1k16.7k shares |
| CITADEL ADVISORS LLC | Added | $408.7k12.1k shares |
| SIMPLEX TRADING, LLC | Added | $162.0k4.8k shares |
| GROUP ONE TRADING LLC | Added | $64.2k1.9k shares |
| Walleye Capital LLC | New | $50.7k1.5k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $584.4k17.3k shares |
| CITADEL ADVISORS LLC | Added | $277.0k8.2k shares |
| GROUP ONE TRADING LLC | New | $33.8k1.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $3.0k100 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +7.2 pts · filed 2026-09-04 | 17.5% |
| AMERIPRISE FINANCIAL INC 13G · institution +6.3 pts · filed 2026-06-05 | 13.7% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution +1.7 pts · filed 2026-09-04 | 10.2% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.4% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 3 | $5.3m | $3.7m |
| Q4 2023 | 0 | — | 4 | $1.9m | $492.6k |
| Q1 2024 | 0 | — | 6 | $23.5m | $19.7m |
| Q2 2024 | 0 | — | 5 | $1.7m | $393.3k |
| Q3 2024 | 0 | — | 3 | $3.6m | $2.4m |
| Q4 2024 | 0 | — | 3 | $1.5m | $219.6k |
| Q1 2025 | 0 | — | 4 | $1.5m | $31.2k |
| Q2 2025 | 0 | — | 2 | $576.6k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-05-27 | Vintz Stephen A Co-Chief Executive Officer, director | Sold | $109.9k3.4k shares |
| 2025-05-27 | Thurmond Mark C. Co-Chief Executive Officer, director | Sold | $80.6k2.5k shares |
| 2025-05-27 | Anschutz Barron Principal Accounting Officer | Sold | $21.3k655 shares |
| 2025-05-23 | Vintz Stephen A Co-Chief Executive Officer, director | Sold | $207.8k6.5k shares |
| 2025-05-23 | Thurmond Mark C. Co-Chief Executive Officer, director | Sold | $178.4k5.6k shares |
| 2025-05-23 | Anschutz Barron Principal Accounting Officer | Sold | $39.8k1.2k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.01% of their portfolio | 14.2m $479.1m | Added +310.9k |
| BlackRock, Inc. 0.01% of their portfolio | 13.0m $438.1m | Added +279.5k |
| AMERIPRISE FINANCIAL INC 0.05% of their portfolio | 6.5m $218.4m | Added +547.5k |
| FMR LLC 0.01% of their portfolio | 4.6m $155.2m | Reduced -7.2m |
| MORGAN STANLEY 0.01% of their portfolio | 4.2m $142.6m | Added +3.0m |
| RGM Capital, LLC 5.42% of their portfolio | 4.0m $133.9m | Added +192.4k |
| Assenagon Asset Management S.A. 0.17% of their portfolio | 3.2m $109.4m | Added +3.0m |
| STATE STREET CORP 0.00% of their portfolio | 3.1m $103.2m | Added +43.1k |
| FIRST TRUST ADVISORS LP 0.08% of their portfolio | 2.9m $99.2m | Added +276.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 2.9m $98.2m | Added +42.2k |
| MACKENZIE FINANCIAL CORP 0.12% of their portfolio | 2.7m $90.9m | Reduced -1.1m |
| SHAPIRO CAPITAL MANAGEMENT LLC 3.86% of their portfolio | 2.6m $87.9m | Added +1.3m |
| Penserra Capital Management LLC 1.06% of their portfolio | 2.2m $76.0m | Added +562.2k |
| Alyeska Investment Group, L.P. 0.26% of their portfolio | 2.2m $72.9m | Added +2.0m |
| MILLENNIUM MANAGEMENT LLC 0.05% of their portfolio | 1.7m $58.0m | Added +572.8k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.11% of their portfolio | 1.7m $56.3m | Added +618.3k |
| Champlain Investment Partners, LLC 0.36% of their portfolio | 1.5m $51.8m | Reduced -91.4k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.04% of their portfolio | 1.4m $48.7m | Added +311.2k |
| NORGES BANK 0.01% of their portfolio | 1.4m $48.0m | Reduced -188.2k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 1.4m $46.1m | Added +289.5k |
| MARSHALL WACE, LLP 0.05% of their portfolio | 1.2m $41.8m | Added +904.7k |
| D. E. Shaw & Co., Inc. 0.04% of their portfolio | 1.2m $41.6m | Added +701.8k |
| Squarepoint Ops LLC 0.09% of their portfolio | 1.2m $40.8m | Added +589.8k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 1.1m $38.1m | Reduced -31.3k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 1.1m $35.6m | Added +21.5k |
| Stephens Investment Management Group LLC 0.44% of their portfolio | 981.6k $33.2m | Added +26.4k |
| Nuveen, LLC 0.01% of their portfolio | 943.6k $31.9m | Reduced -66.4k |
| AMERICAN CENTURY COMPANIES INC 0.02% of their portfolio | 875.8k $29.6m | Added +36.6k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 854.0k $28.8m | Added +81.8k |
| BARCLAYS PLC 0.01% of their portfolio | 842.7k $28.5m | Added +89.8k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 818.8k $27.7m | Added +111.2k |
| CITADEL ADVISORS LLC 0.02% of their portfolio | 818.2k $27.6m | Added +735.3k |
| VOYA INVESTMENT MANAGEMENT LLC 0.03% of their portfolio | 795.1k $26.9m | Reduced -805.2k |
| Qube Research & Technologies Ltd 0.03% of their portfolio | 657.6k $22.2m | Added +136.4k |
| EMERALD ADVISERS, LLC 0.77% of their portfolio | 619.0k $20.9m | Added +7.0k |
| DEUTSCHE BANK AG\ 0.01% of their portfolio | 611.0k $20.6m | Added +230.4k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 553.5k $18.7m | Reduced -122.7k |
| TWO SIGMA INVESTMENTS, LP 0.03% of their portfolio | 544.7k $18.4m | Added +271.1k |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 532.2k $18.0m | Added +240.9k |
| Legal & General Group Plc 0.00% of their portfolio | 508.4k $17.2m | Added +31.2k |
| Point72 Asset Management, L.P. 0.04% of their portfolio | 507.7k $17.2m | Added +124.3k |
| Cubist Systematic Strategies, LLC 0.18% of their portfolio | 496.3k $16.8m | Added +63.8k |
| Jump Financial, LLC 0.20% of their portfolio | 490.4k $16.6m | Added +441.4k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 473.1k $16.0m | Added +146.2k |
| Railway Pension Investments Ltd 0.21% of their portfolio | 449.7k $15.2m | Unchanged |
| CANADA LIFE ASSURANCE Co 0.02% of their portfolio | 447.9k $15.1m | Added +3.3k |
| California Public Employees Retirement System 0.01% of their portfolio | 446.8k $15.1m | Reduced -45.5k |
| Skandinaviska Enskilda Banken AB (publ) 0.06% of their portfolio | 406.2k $13.7m | Added +303.0k |
| IEQ CAPITAL, LLC 0.08% of their portfolio | 389.5k $13.2m | Added +7.8k |
| TWO SIGMA ADVISERS, LP 0.03% of their portfolio | 368.9k $12.5m | Added +56.3k |
| NORDEA INVESTMENT MANAGEMENT AB 0.01% of their portfolio | 330.0k $11.1m | Reduced -39 |
| Quantbot Technologies LP 0.29% of their portfolio | 329.2k $11.1m | Added +290.9k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.01% of their portfolio | 320.6k $10.8m | Added +224.9k |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 318.7k $10.8m | Added +73.6k |
| FIRETRAIL INVESTMENTS PTY LTD 2.69% of their portfolio | 306.7k $10.3m | Reduced -8.6k |
| EMERALD MUTUAL FUND ADVISERS TRUST 0.61% of their portfolio | 294.4k $9.9m | Reduced -59.0k |
| HARBOR CAPITAL ADVISORS, INC. 0.40% of their portfolio | 283.4k $9.6m | Added +24.1k |
| UBS Group AG 0.00% of their portfolio | 279.7k $9.4m | Reduced -8.9k |
| Vontobel Holding Ltd. 0.03% of their portfolio | 275.8k $9.3m | Added +76.2k |
| JANE STREET GROUP, LLC 0.01% of their portfolio | 271.7k $9.2m | Added +159.1k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.02% of their portfolio | 266.2k $9.0m | Added +2.9k |
| Vident Advisory, LLC 0.10% of their portfolio | 264.7k $8.9m | Added +76.8k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 246.0k $8.3m | Reduced -488.8k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 236.7k $8.0m | Added +111.8k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 230.9k $7.8m | Reduced -320.7k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.02% of their portfolio | 229.9k $7.8m | Added +167.8k |
| Swiss National Bank 0.00% of their portfolio | 229.6k $7.8m | Reduced -3.1k |
| Man Group plc 0.02% of their portfolio | 211.9k $7.2m | Added +195.5k |
| Y-Intercept (Hong Kong) Ltd 0.17% of their portfolio | 209.4k $7.1m | Added +135.8k |
| Holocene Advisors, LP 0.02% of their portfolio | 191.5k $6.5m | Added +69.0k |
| NICHOLAS COMPANY, INC. 0.11% of their portfolio | 186.3k $6.3m | Added +20.9k |
| ALGERT GLOBAL LLC 0.13% of their portfolio | 185.1k $6.3m | Reduced -47.5k |
| ACADIAN ASSET MANAGEMENT LLC 0.01% of their portfolio | 182.8k $6.2m | Added +153.0k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 180.5k $6.1m | Added +9.4k |
| CAPITAL FUND MANAGEMENT S.A. 0.07% of their portfolio | 179.4k $6.1m | Added +93.0k |
| Stanley-Laman Group, Ltd. 0.90% of their portfolio | 179.4k $6.1m | New |
| TEACHER RETIREMENT SYSTEM OF TEXAS 0.02% of their portfolio | 171.7k $5.8m | Added +15.7k |
| PINNACLE ASSOCIATES LTD 0.08% of their portfolio | 167.4k $5.7m | Reduced -68.6k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.01% of their portfolio | 161.8k $5.5m | Added +12.3k |
| BLAIR WILLIAM & CO/IL 0.01% of their portfolio | 153.7k $5.2m | Reduced -16.3k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.02% of their portfolio | 150.3k $5.1m | New |
| Balyasny Asset Management L.P. 0.01% of their portfolio | 148.5k $5.0m | Reduced -107.2k |
| KORNITZER CAPITAL MANAGEMENT INC /KS 0.09% of their portfolio | 139.1k $4.7m | Reduced -46.0k |
| Verition Fund Management LLC 0.03% of their portfolio | 136.9k $4.6m | Added +37.9k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 136.6k $4.6m | Added +582 |
| CITIGROUP INC 0.00% of their portfolio | 130.2k $4.4m | Reduced -21.9k |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.39% of their portfolio | 129.9k $4.4m | Added +11.5k |
| Invesco Ltd. 0.00% of their portfolio | 121.5k $4.1m | Added +13.9k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 116.8k $3.9m | Unchanged |
| RENAISSANCE GROUP LLC 0.15% of their portfolio | 116.1k $3.9m | Added +27.6k |
| Voleon Capital Management LP 0.21% of their portfolio | 115.5k $3.9m | Added +82.4k |
| Prime Capital Investment Advisors, LLC 0.05% of their portfolio | 110.8k $3.7m | Reduced -298 |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 107.1k $3.6m | Added +6.6k |
| Engineers Gate Manager LP 0.04% of their portfolio | 105.4k $3.6m | Added +4.8k |
| Woodline Partners LP 0.02% of their portfolio | 103.0k $3.5m | Reduced -87.3k |
| Bullseye Asset Management LLC 1.67% of their portfolio | 99.1k $3.3m | Unchanged |
| PANAGORA ASSET MANAGEMENT INC 0.01% of their portfolio | 92.1k $3.1m | Reduced -6 |
| Graphene Investments SAS 1.95% of their portfolio | 88.7k $3.0m | Added +14.0k |
| Schonfeld Strategic Advisors LLC 0.02% of their portfolio | 88.4k $3.0m | Added +40.4k |
| Amundi 0.00% of their portfolio | 88.4k $3.0m | Added +30.3k |