Stocks › TENB
Tenable Holdings, Inc.
TENB·Nasdaq·
United States·USD
United States·USD$39.47
+0.96 (+2.48%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
TENB
Tenable Holdings, Inc. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
TENBS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of TENB by members of U.S. Congress · 38 on record · 8 in the last 12 months
Whale Activity
Position changes in TENB reported for 2026-06-30 by 11 tracked institutional filers
- Increased4
- New0
- Held0
- Decreased5
- Closed1
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 13.5M | $498.4M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 10.2M | $377.5M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.0M | $184.3M | decreased |
| MILLENNIUM MANAGEMENT LLC | 972.9K | $35.9M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 970.8K | $35.8M | decreased |
| TWO SIGMA INVESTMENTS, LP | 596.9K | $22.0M | decreased |
| Point72 Asset Management, L.P. | 567.9K | $20.9M | increased |
| CITADEL ADVISORS LLC | 461.1K | $17.0M | decreased |
| D. E. Shaw & Co., Inc. | 51.1K | $1.9M | decreased |
| Bullseye Asset Management LLC | 81.3K | $3K | — |
| Bridgewater Associates | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by TENB insiders, by quarter · Form 4
Recent Insider Transactions
1,365 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Zecher Linda KayDirector · Director | Sale | −690 | $35.76 | $25K | Aug 19, 2026 | Form 4 ↗ |
| Zecher Linda KayDirector · Director | Sale | −700 | $35.46 | $25K | Aug 18, 2026 | Form 4 ↗ |
| Vicks Raymond Jr.Director · Director | Sale | −1,819 | $35.94 | $65K | Aug 7, 2026 | Form 4 ↗ |
| Zecher Linda KayDirector · Director | Sale | −550 | $36.50 | $20K | Aug 7, 2026 | Form 4 ↗ |
| Zecher Linda KayDirector · Director | Sale | −600 | $36.00 | $22K | Aug 4, 2026 | Form 4 ↗ |
| Zecher Linda KayDirector · Director | Sale | −1,470 | $34.00 | $50K | Aug 3, 2026 | Form 4 ↗ |
| KEANE MARGARET MDirector | Option exercise | +3,188 | $0.00 | $0 | Jun 15, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Tax withholding | −2,112 | $25.45 | $54K | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Option exercise | +4,368 | $0.00 | $0 | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Tax withholding | −3,754 | $25.45 | $96K | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Option exercise | +7,764 | $0.00 | $0 | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Tax withholding | −1,796 | $25.45 | $46K | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Option exercise | +3,713 | $0.00 | $0 | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Tax withholding | −2,947 | $25.45 | $75K | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Option exercise | +6,095 | $0.00 | $0 | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Tax withholding | −1,097 | $25.45 | $28K | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Option exercise | +2,267 | $0.00 | $0 | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Tax withholding | −562 | $25.45 | $14K | May 22, 2026 | Form 4 ↗ |
| Thurmond Mark C.Co-Chief Executive Officer · Director | Option exercise | +1,162 | $0.00 | $0 | May 22, 2026 | Form 4 ↗ |
| Vintz Stephen ACo-Chief Executive Officer · Director | Tax withholding | −2,163 | $25.45 | $55K | May 22, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding TENB · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| Columbia Seligman Technology and Information Fund Columbia Funds Series Trust II | 8.9M | $250.7M | 0.89% | May 31, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 3.5M | $129.3M | 0.01% | Jun 30, 2026 |
| Amplify Cybersecurity ETF Amplify ETF Trust | 3.0M | $108.9M | 4.20% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 3.0M | $108.9M | 0.13% | Jun 30, 2026 |
| First Trust Nasdaq Cybersecurity ETF First Trust Exchange-Traded Fund II | 2.6M | $96.4M | 0.70% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 2.5M | $93.1M | 0.05% | Jun 30, 2026 |
| VANGUARD INFORMATION TECHNOLOGY INDEX FUND VANGUARD WORLD FUND | 3.1M | $86.2M | 0.05% | May 31, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 1.5M | $53.8M | 0.11% | Jun 30, 2026 |
| Global X Cybersecurity ETF GLOBAL X FUNDS | 1.9M | $53.0M | 4.52% | May 31, 2026 |
| VANGUARD STRATEGIC EQUITY FUND VANGUARD HORIZON FUNDS | 1.3M | $49.6M | 0.41% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list TENB's shares (CUSIP 88025T102), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- Vanguard Portfolio ManagementSCHEDULE 13G/A · passive (13G) · 11.2M shares10.2%
Sep 4, 2026 · ↗ - BlackRock, Inc.SCHEDULE 13G/A · passive (13G) · 19.3M shares17.5%
Sep 4, 2026 · ↗ - Columbia Seligman Technology and Information FundSCHEDULE 13G/A · passive (13G) · 8.9M shares8.1%
Jun 5, 2026 · ↗ - Columbia Management Investment Advisers, LLCSCHEDULE 13G/A · passive (13G) · 14.1M shares12.7%
Jun 5, 2026 · ↗ - Ameriprise Financial, Inc.SCHEDULE 13G/A · passive (13G) · 15.1M shares13.7%
Jun 5, 2026 · ↗ - BlackRock, Inc.SCHEDULE 13G/A · passive (13G) · 11.3M shares10.3%
Jun 4, 2026 · ↗ - Columbia Management Investment Advisers, LLCSCHEDULE 13G/A · passive (13G) · 8.1M shares7.1%
May 15, 2026 · ↗ - Ameriprise Financial, Inc.SCHEDULE 13G/A · passive (13G) · 8.5M shares7.4%
May 15, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming tenable as client
- METANOIC STRATEGIESTENABLE · 2026 Q2 · CPI, BUD, HOM, DEF$30K
Filing ↗ - TENABLE, INC.TENABLE INC · 2026 Q2 · CPI, DEF, BUD, HOM$150K
Filing ↗ - ALPINE GROUP PARTNERS, LLC.TENABLE, INC. · 2026 Q2 · CPI, BUD, DEF, HOM$60K
Filing ↗ - METANOIC STRATEGIESTENABLE · 2026 Q1 · CPI, BUD, HOM, DEF$30K
Filing ↗ - ALPINE GROUP PARTNERS, LLC.TENABLE, INC. · 2026 Q1 · CPI, BUD, DEF, HOM$60K
Filing ↗
Government Contracts
Federal awards to Tenable Holdings, Inc. · USAspending
No federal contract awards found for Tenable Holdings, Inc..
U.S. Patents
Recent USPTO applications naming Tenable Holdings, Inc.
No USPTO patent applications found for Tenable Holdings, Inc..
Annual Financials
From TENB's 10-K filings · XBRL
No annual XBRL figures on record for TENB. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in TENB's price history.
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 1.01, 1.02, 2.03, 3.02, 8.01, 9.01Material agreement · Termination of agreement · Direct financial obligationSep 15, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsJul 29, 2026
EDGAR ↗ - 8-K · Items 7.01, 9.01Reg FD disclosureMay 21, 2026
EDGAR ↗ - 8-K · Items 5.07Shareholder voteMay 13, 2026
EDGAR ↗
About Tenable Holdings, Inc.
From SEC EDGAR company records
Industry (SIC 7372)Services-Prepackaged Software
SectorTechnology
HeadquartersCOLUMBIA, MD
IncorporatedDE
SEC CIK0001660280 ↗