TENB Tenable Holdings, Inc.: institutional ownership and insider trading
347 funds reported holding $4.73B of Tenable Holdings, Inc. in their latest 13F filings; in Q2 2026 funds net sold $86.9M, with 73 new positions and 67 funds selling out; over the last 12 months insiders bought $616K and sold $3.06M on the open market.
Famous investors holding TENB
- Renaissance Technologies (Renaissance Technologies): $35.8M, 0.1% of the portfolio
- Two Sigma (Two Sigma Investments): $22.0M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $35.9M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $25.4M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $1.88M, 0.0% of the portfolio
Largest institutional holders of TENB
- AMERIPRISE FINANCIAL INC (AMP) — $562M
- BlackRock, Inc. (BLK) — $498M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $378M
- VANGUARD GROUP INC — $363M
- VANGUARD CAPITAL MANAGEMENT LLC — $184M
- ARROWSTREET CAPITAL, LIMITED PARTNERSHIP — $163M
- FMR LLC — $153M
- STATE STREET CORP (STT, STT-PG) — $119M
- FIRST TRUST ADVISORS LP — $110M
- GEODE CAPITAL MANAGEMENT, LLC — $109M
Recent TENB insider trades
- Aug 19, 2026: Zecher Linda Kay sold 1,390 shares ($49.5K)
- Aug 7, 2026: Zecher Linda Kay sold 2,620 shares ($91.7K)
- Aug 7, 2026: Vicks Raymond Jr. sold 1,819 shares ($65.4K)
- May 4, 2026: Brown Matthew Charles bought 12,000 shares ($258K)
5%+ owners
- BlackRock, Inc.: 17.5% (Schedule 13G/A, filed Sep 4, 2026)
- Ameriprise Financial, Inc.: 13.7% (Schedule 13G/A, filed Jun 5, 2026)
- Vanguard Portfolio Management: 10.2% (Schedule 13G/A, filed Sep 4, 2026)
- Vanguard Capital Management: 5.4% (Schedule 13G, filed Apr 30, 2026)