TENBTenable Holdings, Inc.

$41.59+38% 1Y

Who owns TENB

309 institutions reported holding TENB for 2026Q2, together 98% of the company, more than the 302 a quarter earlier.

309

Institutions reporting a position · as of 2026Q2 · up from 302 the quarter before

Shares held by institutions
115.8M

Shares held by institutions · 98% of the company · long US equity positions only, as reported on Form 13F

Reported value
$4.27B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
46%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
32
New positions
76
Positions exited
69
Added to
89
Reduced
108
Top 10 holdersof the company
58%
Shares sold shortsettled Sep 15, 2026
18.2M
Short interestof shares outstanding
15%
Days to coverat the average daily volume
3.0
Change in the short positionsince the Aug 31, 2026 count
+20%
Institutional ownership by quarter, 2018Q3 to 2026Q2
QuarterFilersSharesReported value
2026Q2309115.8M$4.27B
2026Q1302118.5M$2.01B
2025Q4276112.2M$2.64B
2025Q3284110.2M$3.21B
2025Q2278111.3M$3.76B
2025Q1293107.2M$3.75B
2024Q4293108.4M$4.25B
2024Q3288108.7M$4.41B
2024Q2283107.9M$4.70B
2024Q1275108.6M$5.36B
2023Q4271105.1M$4.84B
2023Q3278103.3M$4.63B
2023Q2261102.4M$4.46B
2023Q1278102.5M$4.86B
2022Q4275101.0M$3.85B
2022Q328598.6M$3.43B
Largest reported holders, 2026Q2
HolderShares% of companyValue
VANGUARD GROUP INC16.3M14%$600M
AMERIPRISE FINANCIAL INC15.2M13%$562M
BlackRock Inc.13.5M11%$498M
ARROWSTREET CAPITAL LIMITED PARTNERSHIP4.4M3.7%$163M
FMR LLC4.1M3.5%$153M
STATE STREET CORP3.2M2.8%$119M
FIRST TRUST ADVISORS LP3.0M2.5%$110M
GEODE CAPITAL MANAGEMENT LLC3.0M2.5%$109M
Penserra Capital Management LLC3.0M2.5%$109M
SHAPIRO CAPITAL MANAGEMENT LLC2.9M2.5%$106M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202618.2M15%3.0
Aug 31, 202615.2M13%3.3
Aug 14, 202610.5M8.9%3.6
Jul 31, 202610.2M8.7%2.7
Jul 15, 202610.6M9.0%2.8
Jun 30, 202611.1M9.4%3.2
Jun 15, 202611.5M9.8%3.4
May 29, 202612.1M10%2.9
May 15, 202615.6M13%5.0
Apr 30, 202614.2M12%4.1
Apr 15, 202616.4M14%4.6
Mar 31, 202614.7M12%4.8

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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