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Tenable Holdings
TENB

Overview Fund Activity

276 hedge funds and large institutions have $3.76B invested in Tenable Holdings in 2025 Q2 according to their latest regulatory filings, with 37 funds opening new positions, 124 increasing their positions, 87 reducing their positions, and 50 closing their positions.

Holders
276
Holders Change
-18
Holders Change %
-6.12%
% of All Funds
3.7%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.05%
New
37
Increased
124
Reduced
87
Closed
50
Calls
$686K
Puts
$314K
Net Calls
+$372K
Net Calls Change
-$2.55M

Top Buyers

1
Morgan Stanley
1
Morgan Stanley
New York
$143M
2
Assenagon Asset Management
2
Assenagon Asset Management
Luxembourg
$109M
3
Alyeska Investment Group
3
Alyeska Investment Group
Illinois
$72.9M
4
SCM
4
Shapiro Capital Management
Georgia
$87.9M
5
Marshall Wace
5
Marshall Wace
United Kingdom
$41.8M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$155M
2
William Blair Investment Management
2
William Blair Investment Management
Illinois
$0
3
ACH
3
ArrowMark Colorado Holdings
Colorado
$0
4
Fisher Asset Management
4
Fisher Asset Management
Washington
$0
5
Mackenzie Financial
5
Mackenzie Financial
Ontario, Canada
$90.9M
Name Market Value Shares Shares
Change 		Shares
Change %
AssetMark Inc
276
AssetMark Inc
California
$203 6 +6 New
MCM
277
MV Capital Management
Maryland
$68 2 +2 New
William Blair Investment Management
278
William Blair Investment Management
Illinois
– – -2,434,850 Closed
ACH
279
ArrowMark Colorado Holdings
Colorado
– – -1,517,000 Closed
Fisher Asset Management
280
Fisher Asset Management
Washington
– – -1,233,591 Closed
Loomis, Sayles & Company
281
Loomis, Sayles & Company
Massachusetts
– – -459,812 Closed
PTC
282
Philadelphia Trust Company
Pennsylvania
– – -90,000 Closed
MOACM
283
Mutual of America Capital Management
New York
– – -81,301 Closed
TC
284
TwinBeech Capital
New York
– – -70,785 Closed
CF
285
Corebridge Financial
Texas
– – -58,448 Closed
FWC
286
First Washington Corp
Washington
– – -55,482 Closed
PMAM
287
Picton Mahoney Asset Management
Ontario, Canada
– – -30,883 Closed
JCIA
288
Jackson Creek Investment Advisors
Colorado
– – -25,938 Closed
AAM
289
AMI Asset Management
California
– – -23,772 Closed
CC
290
Centiva Capital
New York
– – -17,775 Closed
PP
291
PDT Partners
New York
– – -15,036 Closed
MCC
292
Malaga Cove Capital
California
– – -13,497 Closed
SAM
293
Silvercrest Asset Management
New York
– – -12,625 Closed
ET
294
Entropy Technologies
New York
– – -11,298 Closed
MF
295
Magnetar Financial
Illinois
– – -10,024 Closed
Allianz Asset Management
296
Allianz Asset Management
Germany
– – -9,600 Closed
VPIM
297
Vanguard Personalized Indexing Management
California
– – -7,746 Closed
MM
298
MQS Management
New York
– – -7,628 Closed
1C
299
111 Capital
France
– – -6,828 Closed
SPA
300
Sherbrooke Park Advisers
New York
– – -6,529 Closed
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