13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated
TENB

Tenable Holdings Inc

322 institutions still hold Tenable Holdings Inc as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 88025t102·322 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 0.4%
vs prior quarter
13F value held
$1.3B
79.0% inst. owned
of float
Holders
322
+117 QoQ
filers reporting
Activity
+55 / −65
+728 added · −826 reduced
this quarter
Concentration
17.44%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

322 institutions reported TENB in Q1 2026. BlackRock, Inc. leads at 17.4% of the visible book. +117 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$228M13.5M0.00%Q1 202602
Vanguard Portfolio Management
CIK 0002100121
$163M9.6M0.01%Q1 202603
AMERIPRISE FINANCIAL INC
CIK 0000820027
$144M8.5M0.03%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$90M5.3M0.00%Q1 202605
SHAPIRO CAPITAL MANAGEMENT LLC
CIK 0001177244
$70M4.2M4.39%Q1 202606
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$63M3.7M0.03%Q1 202607
FMR LLC
CIK 0000315066
$60M3.6M0.00%Q1 202608
STATE STREET CORP
CIK 0000093751
$52M3.1M0.00%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$49M2.9M0.00%Q1 202610
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$46M2.7M0.03%Q1 202611
Alyeska Investment Group, L.P.
CIK 0001453072
$43M1.8M0.12%Q4 202512
MACKENZIE FINANCIAL CORP
CIK 0000919859
$42M2.5M0.05%Q1 202613
MORGAN STANLEY
CIK 0000895421
$37M2.2M0.00%Q1 202614
GOLDMAN SACHS GROUP INC
CIK 0000886982
$34M2.0M0.00%Q1 202615
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
CIK 0001705339
$33M1.9M0.04%Q1 202616
D. E. Shaw & Co., Inc.
CIK 0001009207
$33M1.4M0.02%Q4 202517
BARCLAYS PLC
CIK 0000312069
$32M1.9M0.01%Q1 202618
MANUFACTURERS LIFE INSURANCE COMPANY, THE
CIK 0000928047
$31M1.9M0.03%Q1 202619
JACOBS LEVY EQUITY MANAGEMENT, INC
CIK 0000884414
$31M1.8M0.13%Q1 202620
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$27M1.6M0.01%Q1 2026
Page 1 of 17
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