TENB — Tenable Holdings, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2018-07-26.
Performance
Technicals
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Measured signals that fired on TENB
| date | signal | measured base rate |
|---|---|---|
| 2026-08-18 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-04 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-21 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-14 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-06-30 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-06-29 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-19 | Zecher Linda Kay Director | Open-market sale | 690 | 35.76 | 24.7K |
| 2026-08-18 | Zecher Linda Kay Director | Open-market sale | 700 | 35.46 | 24.8K |
| 2026-08-07 | Vicks Raymond Jr. Director | Open-market sale 10b5-1 plan | 1.8K | 35.94 | 65.4K |
| 2026-08-07 | Zecher Linda Kay Director | Open-market sale | 550 | 36.50 | 20.1K |
| 2026-08-05 | Vintz Stephen A Co-Chief Executive Officer | Shares withheld for tax | 300.7K | 36.48 | 11.0M |
| 2026-08-05 | Vintz Stephen A Co-Chief Executive Officer | Option exercise | 423.4K | 16.21 | 6.9M |
| 2026-08-04 | Zecher Linda Kay Director | Open-market sale | 600 | 36.00 | 21.6K |
| 2026-08-03 | Zecher Linda Kay Director | Open-market sale | 1.5K | 34.00 | 50.0K |
| 2026-06-15 | KEANE MARGARET M Director | Option exercise | 3.2K | 0.00 | 0 |
| 2026-05-22 | Thurmond Mark C. Co-Chief Executive Officer | Shares withheld for tax | 3.8K | 25.45 | 95.5K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 228.3M | 13.5M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 162.9M | 9.6M |
| AMERIPRISE FINANCIAL INC | 143.8M | 8.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | 90.5M | 5.3M |
| SHAPIRO CAPITAL MANAGEMENT LLC | 70.2M | 4.2M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 63.1M | 3.7M |
| FMR LLC | 60.4M | 3.6M |
| STATE STREET CORP | 52.2M | 3.1M |
| GEODE CAPITAL MANAGEMENT, LLC | 49.5M | 2.9M |
| FIRST TRUST ADVISORS LP | 45.5M | 2.7M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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