TENABLE HOLDINGS INC (TENB) Top Institutional Shareholders
TENABLE HOLDINGS INC (TENB) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $1.88B in TENB holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of TENB tracked by InsiderSet, reporting ownership valued at approximately $228.31M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $362.81M, representing an estimated gain of +58.91% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 51% of the total disclosed TENB value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Ameriprise Financial Inc, and several other long-term asset managers with concentrated positions in TENABLE HOLDINGS INC (TENB).
This page ranks the largest institutional TENB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
301
Total Reported Value
$1.88B
Largest Holder
Blackrock, Inc.
Largest Position
$228.31M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
86
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 13,497,402 | $228,308,552 | $362,810,166 | +$134,501,614 | +58.91% | |
| Vanguard Portfolio Management Llc | 0.01% | 9,632,968 | $162,941,654 | $258,934,180 | +$95,992,526 | +58.91% | |
| Ameriprise Financial Inc | 0.03% | 8,499,447 | $143,768,309 | $228,465,135 | +$84,696,826 | +58.91% | |
| Vanguard Capital Management Llc | 0.00% | 5,347,521 | $90,453,318 | $143,741,364 | +$53,288,046 | +58.91% | |
| Shapiro Capital Management Llc | 4.39% | 4,150,152 | $70,199,821 | $111,556,086 | +$41,356,265 | +58.91% | |
| Arrowstreet Capital, Limited Partnership | 0.03% | 3,732,271 | $63,131,364 | $100,323,444 | +$37,192,080 | +58.91% | |
| Fmr Llc | 0.00% | 3,570,579 | $60,396,345 | $95,977,164 | +$35,580,819 | +58.91% | |
| State Street Corp | 0.00% | 3,085,130 | $52,184,974 | $82,928,294 | +$30,743,320 | +58.91% | |
| Geode Capital Management, Llc | 0.00% | 2,924,694 | $49,480,737 | $78,615,775 | +$29,135,038 | +58.88% | |
| First Trust Advisors Lp | 0.03% | 2,691,055 | $45,519,195 | $72,335,558 | +$26,816,363 | +58.91% | |
| Mackenzie Financial Corp | 0.05% | 2,477,616 | $41,908,875 | $66,598,318 | +$24,689,443 | +58.91% | |
| Morgan Stanley | 0.00% | 2,207,280 | $37,336,166 | $59,331,686 | +$21,995,520 | +58.91% | |
| Goldman Sachs Group Inc | 0.00% | 1,981,002 | $33,508,648 | $53,249,334 | +$19,740,686 | +58.91% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.04% | 1,945,926 | $32,918,009 | $52,306,491 | +$19,388,482 | +58.90% | |
| Barclays Plc | 0.01% | 1,907,107 | $32,258,715 | $51,263,036 | +$19,004,321 | +58.91% | |
| Manufacturers Life Insurance Company, The | 0.03% | 1,851,229 | $31,313,539 | $49,761,036 | +$18,447,497 | +58.91% | |
| Jacobs Levy Equity Management, Inc | 0.13% | 1,841,995 | $31,157,345 | $49,512,826 | +$18,355,481 | +58.91% | |
| Alyeska Investment Group, L.P. | 0.08% | 1,738,615 | $29,408,673 | $46,733,971 | +$17,325,298 | +58.91% | |
| Aqr Capital Management Llc | 0.01% | 1,582,149 | $26,762,045 | $42,528,165 | +$15,766,120 | +58.91% | |
| Ubs Group Ag | 0.00% | 1,355,120 | $22,921,855 | $36,425,626 | +$13,503,771 | +58.91% | |
| Renaissance Technologies LLC | Jim Simons | 0.03% | 1,260,100 | $21,314,592 | $33,871,488 | +$12,556,896 | +58.91% |
| Two Sigma Investments, Lp | 0.02% | 1,254,236 | $21,215,402 | $33,713,864 | +$12,498,462 | +58.91% | |
| Jane Street Group, Llc | 0.02% | 1,144,552 | $19,360,097 | $30,765,558 | +$11,405,461 | +58.91% | |
| Seb Asset Management Ab | 0.08% | 1,119,449 | $18,935,456 | $30,090,789 | +$11,155,333 | +58.91% | |
| Federated Hermes, Inc. | 0.03% | 1,100,832 | $18,620,573 | $29,590,364 | +$10,969,791 | +58.91% | |
| Northern Trust Corp | 0.00% | 1,080,659 | $18,279,347 | $29,048,114 | +$10,768,767 | +58.91% | |
| Bank Of America Corp | 0.00% | 996,815 | $16,861,126 | $26,794,387 | +$9,933,261 | +58.91% | |
| Charles Schwab Investment Management Inc | 0.00% | 979,744 | $16,572,370 | $26,335,519 | +$9,763,149 | +58.91% | |
| Balyasny Asset Management L.P. | 0.03% | 950,710 | $16,081,260 | $25,555,085 | +$9,473,825 | +58.91% | |
| Nuveen, Llc | 0.00% | 898,200 | $15,193,053 | $24,143,616 | +$8,950,563 | +58.91% | |
| Vanguard Fiduciary Trust Co | 0.00% | 823,778 | $13,934,205 | $22,143,153 | +$8,208,948 | +58.91% | |
| Bank Of New York Mellon Corp | 0.00% | 821,163 | $13,889,972 | $22,072,861 | +$8,182,889 | +58.91% | |
| Dimensional Fund Advisors Lp | 0.00% | 817,447 | $13,827,116 | $21,972,975 | +$8,145,859 | +58.91% | |
| Citadel Advisors Llc | 0.01% | 751,919 | $12,718,710 | $20,211,583 | +$7,492,873 | +58.91% | |
| Trexquant Investment Lp | 0.09% | 709,928 | $12,008,432 | $19,082,865 | +$7,074,433 | +58.91% | |
| Bnp Paribas Financial Markets | 0.01% | 674,205 | $11,404,178 | $18,122,630 | +$6,718,452 | +58.91% | |
| Voya Investment Management Llc | 0.01% | 648,253 | $10,965,199 | $17,425,041 | +$6,459,842 | +58.91% | |
| Qube Research & Technologies Ltd | 0.02% | 640,453 | $10,833,262 | $17,215,377 | +$6,382,115 | +58.91% | |
| Stephens Investment Management Group Llc | 0.15% | 633,122 | $10,709,259 | $17,018,319 | +$6,309,060 | +58.91% | |
| Russell Investments Group, Ltd. | 0.01% | 575,871 | $9,740,857 | $15,479,412 | +$5,738,555 | +58.91% | |
| Millennium Management Llc | 0.01% | 573,256 | $9,696,625 | $15,409,121 | +$5,712,496 | +58.91% | |
| Assenagon Asset Management S.A. | 0.01% | 520,785 | $8,809,078 | $13,998,701 | +$5,189,623 | +58.91% | |
| Archon Capital Management Llc | 4.95% | 519,002 | $8,778,919 | $13,950,774 | +$5,171,855 | +58.91% | |
| Ieq Capital, Llc | 0.04% | 504,114 | $8,527,089 | $13,550,584 | +$5,023,495 | +58.91% | |
| Pacer Advisors, Inc. | 0.02% | 498,647 | $8,434,614 | $13,403,631 | +$4,969,017 | +58.91% | |
| Deutsche Bank Ag\ | 0.00% | 490,553 | $8,300,158 | $13,186,065 | +$4,885,907 | +58.87% | |
| Exoduspoint Capital Management, Lp | 0.08% | 456,372 | $7,719,532 | $12,267,279 | +$4,547,747 | +58.91% | |
| Pinnacle Associates Ltd | 0.09% | 417,245 | $7,057,699 | $11,215,546 | +$4,157,847 | +58.91% | |
| Panagora Asset Management Inc | 0.02% | 386,234 | $6,533,148 | $10,381,970 | +$3,848,822 | +58.91% | |
| J. Goldman & Co Lp | 0.30% | 384,796 | $6,508,824 | $10,343,316 | +$3,834,492 | +58.91% |
Frequently asked questions about TENB
Who owns the most TENB stock?
The largest holders of TENB are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for TENABLE HOLDINGS INC (TENB).
Is TENB widely held by superinvestors?
Many widely followed stocks like TENB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly TENB is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.