277 tracked 13F filers disclose a position in TENB as of the latest SEC 13F filings, a combined $2.1B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $228.3M | 13.5M | ▲+5.5% Added · +701K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $162.9M | 9.6M | →First observed position No prior filed position | Q1 2026 | |
| 3 | AMERIPRISE FINANCIAL INC | $143.8M | 8.5M | ▲+30% Added · +1.9M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $90.5M | 5.3M | →First observed position No prior filed position | Q1 2026 | |
| 5 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $63.1M | 3.7M | ▲+175% Added · +2.4M sh | Q1 2026 | |
| 6 | FMR LLC | $60.4M | 3.6M | ▲+140% Added · +2.1M sh | Q1 2026 | |
| 7 | STATE STREET CORP | $119.4M | 3.2M | ▲+4.9% Added · +151K sh | Q2 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $109.3M | 3.0M | ▲+1.3% Added · +37K sh | Q2 2026 | |
| 9 | SHAPIRO CAPITAL MANAGEMENT LLC | $106.3M | 2.9M | ▼−31% Reduced · −1.3M sh | Q2 2026 | |
| 10 | FIRST TRUST ADVISORS LP | $45.5M | 2.7M | ▼−37% Reduced · −1.6M sh | Q1 2026 | |
| 11 | MORGAN STANLEY | $37.3M | 2.2M | ▼−19% Reduced · −521K sh | Q1 2026 | |
| 12 | GOLDMAN SACHS GROUP INC | $33.5M | 2.0M | ▲+100% Added · +992K sh | Q1 2026 | |
| 13 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $32.9M | 1.9M | ▲+6.7% Added · +123K sh | Q1 2026 | |
| 14 | BARCLAYS PLC | $32.3M | 1.9M | ▼−18% Reduced · −407K sh | Q1 2026 | |
| 15 | NORGES BANK | $44.5M | 1.9M | ▲+33% Added · +473K sh | Q4 2025 | |
| 16 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | $31.3M | 1.9M | ▲+16% Added · +256K sh | Q1 2026 | |
| 17 | JACOBS LEVY EQUITY MANAGEMENT, INC | $31.2M | 1.8M | ▲New +1.8M sh | Q1 2026 | |
| 18 | Alyeska Investment Group, L.P. | $29.4M | 1.7M | ▼−4.7% Reduced · −86K sh | Q1 2026 | |
| 19 | AQR CAPITAL MANAGEMENT LLC | $26.8M | 1.6M | ▲+180% Added · +1.0M sh | Q1 2026 | |
| 20 | UBS Group AG | $22.9M | 1.4M | ▼−56% Reduced · −1.7M sh | Q1 2026 | |
| 21 | RENAISSANCE TECHNOLOGIES LLC | $21.3M | 1.3M | ▲+141% Added · +737K sh | Q1 2026 | |
| 22 | TWO SIGMA INVESTMENTS, LP | $21.2M | 1.3M | ▲+1.7% Added · +21K sh | Q1 2026 | |
| 23 | JANE STREET GROUP, LLC | $19.4M | 1.1M | ▲+269% Added · +835K sh | Q1 2026 | |
| 24 | FEDERATED HERMES, INC. | $18.6M | 1.1M | ▲+53% Added · +380K sh | Q1 2026 | |
| 25 | NORTHERN TRUST CORP | $18.3M | 1.1M | ▲+1.4% Added · +15K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 11 funds opened a new position in TENB and 24 added to an existing one, while 18 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 156 funds | $159.8B |
| MICROSOFT CORPMSFT | 154 funds | $213.1B |
| NVIDIA CORPNVDA | 147 funds | $316.9B |
| META PLATFORMS INC-CLASS AMETA | 147 funds | $86.7B |
| ELI LILLY & COLLY | 145 funds | $62.1B |
| APPLE INCAAPL | 144 funds | $239.3B |
| BROADCOM INCAVGO | 144 funds | $128.2B |
| JPMORGAN CHASE & COJPM | 143 funds | $43.0B |
| ALPHABET INC-CL AGOOGL | 142 funds | $124.3B |
| ALPHABET INC-CL CGOOG | 141 funds | $105.8B |
| VISA INC-CLASS A SHARESV | 141 funds | $45.5B |
| MASTERCARD INC - AMA | 141 funds | $42.0B |
Ranked by how many of TENB's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 19, 2026 | Zecher Linda Kay | Director | Sell (S) | 690 | $25K |
| Aug 18, 2026 | Zecher Linda Kay | Director | Sell (S) | 700 | $25K |
| Aug 7, 2026 | Vicks Raymond Jr. | Director | Sell (S) | 2K | $65K |
| Aug 7, 2026 | Zecher Linda Kay | Director | Sell (S) | 550 | $20K |
| Aug 4, 2026 | Zecher Linda Kay | Director | Sell (S) | 600 | $22K |
| Aug 3, 2026 | Zecher Linda Kay | Director | Sell (S) | 1K | $50K |
| May 4, 2026 | Brown Matthew Charles | Chief Financial Officer | Buy (P) | 12K | $258K |
| Feb 12, 2026 | Vicks Raymond Jr. | Director | Buy (P) | 5K | $100K |
| Feb 9, 2026 | COVIELLO ARTHUR W JR | Director | Buy (P) | 12K | $258K |
| Dec 15, 2025 | SEAWELL A BROOKE | Director | Sell (S) | 115K | $2.9M |
| Oct 17, 2025 | Anschutz Barron | Insider | Sell (S) | 976 | $28K |
| Sep 9, 2025 | SEAWELL A BROOKE | Director | Sell (S) | 15K | $462K |
Connected entities for TENB
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/TENB/capital-change-brief"
Use Arkolith's capital_change_brief for TENB. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for TENB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.