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TENB · Tenable Holdings, Inc. · Holdings

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Market Cap
$3.77B
Shares
110.14M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 314
Total Value: $4,304,635,826
Total Shares: 116,775,136
Showing 1–100 of 326 holdings by value · page 1 of 4

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 314 13F filers · Δ vs Mar 31, 2026
Top Holder
13.0%
Sep 2023 → Jun 2026 · range 11.3% – 14.3%
+1.7 pts
Top 5
41.4%
Sep 2023 → Jun 2026 · range 34.6% – 46.8%
+6.9 pts
Top 10
55.4%
Sep 2023 → Jun 2026 · range 48.6% – 60.2%
+6.8 pts
HHI
495
Sep 2023 → Jun 2026 · range 365 – 594
Broadly held+130

Quarterly Activity

vs Mar 31, 2026
New
76
Increased
104
Decreased
111
Sold Out
72
Unchanged
23
Holder count: +4
Institutional value: +113.7%
Shares held: -1.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 326
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1660280 CUSIP 88025T102 13F (30d) 197 filings 196 filers Visit website Investor relations