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TENABLE HLDGS (TENB)
NASDAQ
$34.47+$0.09 (+0.27%)
Price as of Aug 21, 2026 7:54 PM EDT- $3.8BMarket Cap
- 12.06%1-Year Change
- Software - InfrastructureIndustry
TENABLE HLDGS (TENB)
$34.47+$0.09 (+0.27%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD GROUP INC | 13.99% | 15.4M | +465,039 (+3.01%) | Dec 31, 2025 |
AMERIPRISE FINANCIAL INC | 13.81% | 15.2M | +6.7M (+44.18%) | Jun 30, 2026 |
BLACKROCK, INC. | 12.25% | 13.5M | +16,358 (+0.12%) | Jun 30, 2026 |
BLACKROCK FUNDING, INC. /DE | 10.81% | 11.9M | +829,503 (+6.96%) | Dec 31, 2024 |
BLACKROCK INC. | 9.63% | 10.6M | +230,170 (+2.17%) | Jun 30, 2024 |
N/A | 9.28% | 10.2M | +603,124 (+5.89%) | Jun 30, 2026 |
VANGUARD PORTFOLIO MANAGEMENT LLC | 9.28% | 10.2M | +603,124 (+5.89%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 8.50% | 9.4M | +28,960 (+0.31%) | Mar 31, 2026 |
Columbia Funds Series Trust II | 8.05% | 8.9M | +5.0M (+56.82%) | May 31, 2026 |
Amplify ETF Trust | 3.08% | 3.4M | +635,794 (+18.74%) | Mar 31, 2026 |
VANGUARD WORLD FUND | 2.79% | 3.1M | +21,297 (+0.69%) | May 31, 2026 |
FIRST TRUST EXCHANGE-TRADED FUND II | 2.12% | 2.3M | -1.3M (-55.56%) | Mar 31, 2026 |
Global X Funds | 1.70% | 1.9M | +152,875 (+8.14%) | May 31, 2026 |
JOHN HANCOCK INVESTMENT TRUST | 1.43% | 1.6M | +309,024 (+19.66%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions2.0B (76.82%)
- Mutual Funds604.4M (23.05%)
- Insiders3.5M (0.13%)
- Other0 (0.00%)
Insider Transactions
- 0.13% (3.5M)Current InsiderOwnership (%, shares)
- 2Number of InsiderBuying (last 12 months)
- $1.1MAmount of InsiderBuying (last 12 months)
- 6Number of InsiderSelling (last 12 months)
- $34.7MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Zecher Linda Kay | Sell | Aug 19, 2026 | $24,674.40 | 690 | $35.76 | 7,012 |
Zecher Linda Kay | Sell | Aug 18, 2026 | $24,822.00 | 700 | $35.46 | 7,702 |
Zecher Linda Kay | Sell | Aug 07, 2026 | $20,075.00 | 550 | $36.50 | 8,402 |
Vicks Raymond Jr. | Sell | Aug 07, 2026 | $65,374.86 | 1,819 | $35.94 | 20,509 |
Zecher Linda Kay | Sell | Aug 04, 2026 | $21,600.00 | 600 | $36.00 | 8,952 |
Zecher Linda Kay | Sell | Aug 03, 2026 | $49,980.00 | 1,470 | $34.00 | 9,552 |
Anschutz Barron | Award | Feb 26, 2026 | $0.00 | 92,879 | $0.00 | 92,879 |
Thurmond Mark C. Co-Chief Executive Officer | Award | Feb 26, 2026 | $0.00 | 341,847 | $0.00 | 341,847 |
Brown Matthew Charles Chief Financial Officer | Award | Feb 26, 2026 | $0.00 | 141,898 | $0.00 | 141,898 |
Vintz Stephen A Co-Chief Executive Officer | Award | Feb 26, 2026 | $0.00 | 341,847 | $0.00 | 341,847 |
Thurmond Mark C. Co-Chief Executive Officer | Exempt | Feb 25, 2026 | $0.00 | 24,381 | $0.00 | 180,056 |
Vintz Stephen A Co-Chief Executive Officer | Exempt | Feb 25, 2026 | $0.00 | 24,381 | $0.00 | 440,298 |
Thurmond Mark C. Co-Chief Executive Officer | In Kind | Feb 25, 2026 | $223,991.00 | 11,789 | $19.00 | 168,267 |
Vintz Stephen A Co-Chief Executive Officer | In Kind | Feb 25, 2026 | $221,673.00 | 11,667 | $19.00 | 428,631 |
Thurmond Mark C. Co-Chief Executive Officer | Exempt | Feb 25, 2026 | $0.00 | 24,381 | $0.00 | 73,147 |
Vintz Stephen A Co-Chief Executive Officer | Exempt | Feb 25, 2026 | $0.00 | 24,381 | $0.00 | 73,147 |
Thurmond Mark C. Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 1,365 | $0.00 | 0 |
Vintz Stephen A Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 1,882 | $0.00 | 0 |
Thurmond Mark C. Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 1,162 | $0.00 | 4,654 |
Anschutz Barron | Exempt | Feb 23, 2026 | $0.00 | 1,390 | $0.00 | 0 |
Thurmond Mark C. Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 2,267 | $0.00 | 18,140 |
Vintz Stephen A Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 1,594 | $0.00 | 6,385 |
Thurmond Mark C. Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 3,857 | $0.00 | 0 |
Anschutz Barron | Exempt | Feb 23, 2026 | $0.00 | 1,337 | $0.00 | 5,348 |
Thurmond Mark C. Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 3,713 | $0.00 | 14,852 |
Vintz Stephen A Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 2,345 | $0.00 | 18,767 |
Thurmond Mark C. Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 46,586 | $0.00 | 93,172 |
Anschutz Barron | Exempt | Feb 23, 2026 | $0.00 | 1,258 | $0.00 | 10,064 |
Thurmond Mark C. Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 4,368 | $0.00 | 34,944 |
Vintz Stephen A Co-Chief Executive Officer | Exempt | Feb 23, 2026 | $0.00 | 5,316 | $0.00 | 0 |