Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in TENB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | AMERIPRISE FINANCIAL INC | 15.2M | $561.6M | +79.1% | 13.808% | 0.11% |
| 2 | BlackRock, Inc. | 13.5M | $498.4M | +0.1% | 12.255% | 0.01% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 10.2M | $377.5M | +6.3% | 9.283% | 0.02% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 5.0M | $184.3M | -6.6% | 4.531% | 0.00% |
| 5 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.4M | $162.5M | +18.1% | 3.997% | 0.07% |
| 6 | FMR LLC | 4.1M | $152.6M | +15.9% | 3.753% | 0.01% |
| 7 | STATE STREET CORP | 3.2M | $119.4M | +4.9% | 2.935% | 0.00% |
| 8 | FIRST TRUST ADVISORS LP | 3.0M | $109.7M | +10.5% | 2.697% | 0.06% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 3.0M | $109.3M | +1.3% | 2.686% | 0.01% |
| 10 | SHAPIRO CAPITAL MANAGEMENT LLC | 2.9M | $106.3M | -30.5% | 2.615% | 6.45% |
| 11 | GOLDMAN SACHS GROUP INC | 2.4M | $90.3M | +23.5% | 2.219% | 0.01% |
| 12 | MORGAN STANLEY | 2.3M | $83.0M | +2.0% | 2.041% | 0.00% |
| 13 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | 2.1M | $76.8M | +12.4% | 1.887% | 0.03% |
| 14 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.0M | $74.3M | +3.7% | 1.830% | 0.09% |
| 15 | JANE STREET GROUP, LLC | 1.9M | $69.6M | +64.8% | 1.710% | 0.01% |
| 16 | AQR CAPITAL MANAGEMENT LLC | 1.8M | $66.3M | +13.6% | 1.629% | 0.02% |
| 17 | VOYA INVESTMENT MANAGEMENT LLC | 1.6M | $59.3M | +147.9% | 1.457% | 0.05% |
| 18 | BARCLAYS PLC | 1.3M | $49.2M | -30.0% | 1.211% | 0.01% |
| 19 | Freestone Grove Partners LP | 1.2M | $42.5M | +35208.0% | 1.045% | 0.27% |
| 20 | NORTHERN TRUST CORP | 1.1M | $40.6M | +1.9% | 0.998% | 0.00% |
| 21 | DIMENSIONAL FUND ADVISORS LP | 1.1M | $39.9M | +32.3% | 0.981% | 0.01% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1M | $39.0M | +8.0% | 0.959% | 0.01% |
| 23 | MILLENNIUM MANAGEMENT LLC | 973K | $35.9M | +18.7% | 0.882% | 0.01% |
| 24 | RENAISSANCE TECHNOLOGIES LLC | 971K | $35.8M | -23.0% | 0.880% | 0.05% |
| 25 | BANK OF AMERICA CORP /DE/ | 837K | $30.9M | -16.0% | 0.759% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in TENB — a direct measure of their conviction.
Filings activity in TENB during Q2 2026, grouped by how each filer changed its position.
Institutions that opened a new TENB position in Q2 2026
Institutions that fully closed their TENB position in Q2 2026
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 312 | +2.6% | 105.75% | 1.92 pp | $4.04B | +113% |
| Q1 2026 | 304 | +11% | 107.67% | +6.28 pp | $1.90B | 25% |
| Q4 2025 | 275 | 2.5% | 101.39% | +0.99 pp | $2.51B | 19% |
| Q3 2025 | 282 | +1.8% | 100.40% | 0.53 pp | $3.10B | 14% |
| Q2 2025 | 277 | 4.2% | 100.93% | +5.12 pp | $3.60B | +0.6% |
| Q1 2025 | 289 | 0.7% | 95.81% | 91.42 pp | $3.57B | 56% |
| Q4 2024 | 291 | +3.2% | 187.23% | +90.77 pp | $8.13B | +98% |
| Q3 2024 | 282 | — | 96.46% | — | $4.11B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as a key fundamental indicator because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 4, 2026 | Brown Matthew Charles | Buy | 12K | $21.54 | $258K |
Quick answers to the most common questions about buying TENB stock.
Based on Q2 2026 13F filings, institutional ownership of Tenable Holdings, Inc. stands at 105.8%, held across 312 reporting institutions.
AMERIPRISE FINANCIAL INC is the largest reported institutional holder of TENB, with approximately 15,226,424 shares worth $0.56B as of Q2 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of TENB, including JANE STREET GROUP, LLC, MILLENNIUM MANAGEMENT LLC, RENAISSANCE TECHNOLOGIES LLC.
Our composite Smart Money Score for TENB is 51 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
69 institutions opened new positions in TENB during Q2 2026, while 66 fully exited. 202 added to existing positions and 26 trimmed.
TENB institutional ownership fell by 1.92 percentage points quarter-over-quarter, with a net change of +8 holders.
The top 10 institutions account for 58.9% of all reported 13F value in TENB, and the top 25 account for 79.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Tenable Holdings, Inc. (TENB) Institutional Ownership