TENB Tenable Holdings, Inc.
Tenable Holdings, Inc. (TENB) Institutional Ownership
What the institutions did with TENB last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| AMERIPRISE FINANCIAL INC | 15.2M | 13.1% |
| BlackRock, Inc. | 13.5M | 11.7% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 10.2M | 8.8% |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.0M | 4.3% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.4M | 3.8% |
| FMR LLC | 4.1M | 3.6% |
| STATE STREET CORP | 3.2M | 2.8% |
| FIRST TRUST ADVISORS LP | 3.0M | 2.6% |
| GEODE CAPITAL MANAGEMENT, LLC | 3.0M | 2.6% |
| Penserra Capital Management LLC | 3.0M | 2.5% |
| SHAPIRO CAPITAL MANAGEMENT LLC | 2.9M | 2.5% |
| GOLDMAN SACHS GROUP INC | 2.4M | 2.1% |
| MORGAN STANLEY | 2.3M | 1.9% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | 2.1M | 1.8% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.0M | 1.7% |
| AQR CAPITAL MANAGEMENT LLC | 1.8M | 1.5% |
| JANE STREET GROUP, LLC | 1.8M | 1.5% |
| VOYA INVESTMENT MANAGEMENT LLC | 1.6M | 1.4% |
| BARCLAYS PLC | 1.3M | 1.2% |
| Freestone Grove Partners LP | 1.2M | 1.0% |
| NORTHERN TRUST CORP | 1.1M | 0.9% |
| LSV ASSET MANAGEMENT | 1.1M | 0.9% |
| DIMENSIONAL FUND ADVISORS LP | 1.1M | 0.9% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1M | 0.9% |
| MILLENNIUM MANAGEMENT LLC | 972.9K | 0.8% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| AMERIPRISE FINANCIAL INC | Increased | 8.5M | 15.2M | +6.7M |
| MACKENZIE FINANCIAL CORP | Reduced | 2.5M | 179.7K | -2.3M |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Sold Out | 1.8M | 0 | -1.8M |
| Alyeska Investment Group, L.P. | Sold Out | 1.7M | 0 | -1.7M |
| SHAPIRO CAPITAL MANAGEMENT LLC | Reduced | 4.2M | 2.9M | -1.3M |
| Freestone Grove Partners LP | Increased | 3.3K | 1.2M | +1.1M |
| LSV ASSET MANAGEMENT | Increased | 13.2K | 1.1M | +1.1M |
| VOYA INVESTMENT MANAGEMENT LLC | Increased | 648.3K | 1.6M | +958.6K |
| Balyasny Asset Management L.P. | Sold Out | 950.7K | 0 | -950.7K |
| Trexquant Investment LP | Reduced | 709.9K | 15.2K | -694.8K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Increased | 3.7M | 4.4M | +674.7K |
| TWO SIGMA INVESTMENTS, LP | Reduced | 1.3M | 596.9K | -657.3K |
| Qube Research & Technologies Ltd | Sold Out | 640.5K | 0 | -640.5K |
| JANE STREET GROUP, LLC | Increased | 1.1M | 1.8M | +635.6K |
| Stephens Investment Management Group LLC | Sold Out | 633.1K | 0 | -633.1K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 9.6M | 10.2M | +603.1K |
| BARCLAYS PLC | Reduced | 1.9M | 1.3M | -572.0K |
| FMR LLC | Increased | 3.6M | 4.1M | +567.6K |
| UBS Group AG | Reduced | 1.4M | 799.9K | -555.2K |
| HRT FINANCIAL LP | Reduced | 953.9K | 423.7K | -530.1K |
| Archon Capital Management LLC | Sold Out | 519.0K | 0 | -519.0K |
| Assenagon Asset Management S.A. | Reduced | 520.8K | 37.2K | -483.6K |
| MetLife Investment Management, LLC | Increased | 65.0K | 545.3K | +480.3K |
| GOLDMAN SACHS GROUP INC | Increased | 2.0M | 2.4M | +466.3K |
| Russell Investments Group, Ltd. | Reduced | 575.9K | 115.6K | -460.3K |
| Point72 Asset Management, L.P. | Increased | 108.7K | 567.9K | +459.2K |
| Connor, Clark & Lunn Investment Management Ltd. | Increased | 91.9K | 550.3K | +458.4K |
| Penserra Capital Management LLC | Reduced | 3.4M | 3.0M | -436.1K |
| MILLENNIUM MANAGEMENT LLC | Increased | 573.3K | 972.9K | +399.7K |
| Portolan Capital Management, LLC | New | 0 | 387.9K | +387.9K |
| J. Goldman & Co LP | Sold Out | 384.8K | 0 | -384.8K |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 5.3M | 5.0M | -351.4K |
| JPMORGAN CHASE & CO | Reduced | 483.2K | 154.2K | -328.9K |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | 674.2K | 348.7K | -325.5K |
| Delta Global Management LP | New | 0 | 320.5K | +320.5K |
| FEDERATED HERMES, INC. | Reduced | 1.1M | 783.7K | -317.2K |
| SCHRODER INVESTMENT MANAGEMENT GROUP | New | 0 | 312.8K | +312.8K |
| Vident Advisory, LLC | Sold Out | 302.3K | 0 | -302.3K |
| CITADEL ADVISORS LLC | Reduced | 751.9K | 461.1K | -290.8K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.3M | 970.8K | -289.3K |
| SEB Asset Management AB | Reduced | 1.1M | 833.4K | -286.0K |
| FIRST TRUST ADVISORS LP | Increased | 2.7M | 3.0M | +282.8K |
| OP Asset Management Ltd | Sold Out | 277.5K | 0 | -277.5K |
| JUPITER ASSET MANAGEMENT LTD | Sold Out | 275.2K | 0 | -275.2K |
| Counterpoint Mutual Funds LLC | Sold Out | 265.5K | 0 | -265.5K |
| FARALLON CAPITAL MANAGEMENT LLC | Sold Out | 265.0K | 0 | -265.0K |
| DIMENSIONAL FUND ADVISORS LP | Increased | 817.4K | 1.1M | +264.3K |
| OSSIAM | Sold Out | 264.0K | 0 | -264.0K |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 225.7K | 485.1K | +259.4K |
| SEI INVESTMENTS CO | Reduced | 296.6K | 40.4K | -256.2K |
| DEUTSCHE BANK AG\ | Reduced | 490.6K | 244.4K | -246.2K |
| MONIMUS CAPITAL MANAGEMENT, LP | Sold Out | 234.7K | 0 | -234.7K |
| D. E. Shaw & Co., Inc. | Reduced | 284.8K | 51.1K | -233.7K |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Increased | 1.9M | 2.1M | +230.1K |
| Squarepoint Ops LLC | Sold Out | 228.9K | 0 | -228.9K |
| Nuveen, LLC | Reduced | 898.2K | 676.5K | -221.7K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 1.6M | 1.8M | +214.5K |
| Concentric Capital Strategies, LP | New | 0 | 214.0K | +214.0K |
| SummitTX Capital, L.P. | New | 0 | 212.7K | +212.7K |
| Private Advisor Group, LLC | New | 0 | 202.5K | +202.5K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.