Tenable Holdings, Inc.
TENB- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001660280
In the last 90 days, Tenable Holdings, Inc. insiders filed 0 open-market purchases and 3 sales; 311 institutions reported holding it in 13F filings for Q2 2026, worth $4.27B in total; no superinvestor holds it.
Holders of 5% or more of TENB
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Tenable Holdings, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Ameriprise Financial Inc | 13G/A | 13.70%15.1M shares | +6.30 ppfrom 7.40% | Aug 14, 20253 filings | Jun 5, 2026 | SEC |
| BlackRock, Inc. | 13G/A | 10.30%11.3M shares | – | Jun 4, 20261 filing | Jun 4, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 8.47%9.74M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.44%6.25M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Tenable Holdings, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jun 5, 20269:48 AM ET | Ameriprise Financial Incand 2 others | 13G/A | 13.70%15.1M shares | +6.30 ppfrom 7.40% | May 31, 2026 | SEC |
| Jun 4, 202612:12 PM ET | BlackRock, Inc. | 13G/A | 10.30%11.3M shares | – | May 31, 2026 | SEC |
| May 15, 202610:38 AM ET | Ameriprise Financial Incand 1 other | 13G/A | 7.40%8.50M shares | +2.10 ppfrom 5.30% | Mar 31, 2026 | SEC |
| Apr 30, 20261:53 PM ET | Vanguard Capital Management LLC | 13G | 5.44%6.25M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 20263:49 PM ET | Vanguard Portfolio Management LLC | 13G | 8.47%9.74M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 20261:32 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −12.35 ppfrom 12.35%Below 5% | Mar 13, 2026 | SEC |
| Oct 31, 202511:30 AM ET | Vanguard Group Inc | 13G/A | 12.35%15.0M shares | – | Sep 30, 2025 | SEC |
| Aug 14, 202512:18 PM ET | Ameriprise Financial Incand 1 other | 13G | 5.30%6.47M shares | New | Jun 30, 2025 | SEC |
| Jul 8, 20259:07 AM ET | FMR LLCand 1 other | 13G/A | 3.80%4.59M shares | −6.00 ppfrom 9.80%Below 5% | Jun 30, 2025 | SEC |
| May 12, 202510:43 AM ET | FMR LLCand 1 other | 13G/A | 9.80%11.8M shares | – | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Tenable Holdings, Inc. shares.
No Form 144 notices for Tenable Holdings, Inc. are on file.