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MF
Magnetar Financial’s
Tenable Holdings
TENB
Stock Holding History
Magnetar Financial’s Portfolio
TENB Stock Details
TENB Fund Activity
Bought
Maintained
Sold
Quarter
Market Value
Status
Shares
Change in
Stake
Trade Value
Portfolio Weight
Portfolio Position
2026
Q1
$995K
Sell
58,836
-37,077
-39%
-$778K
0.01%
481
2025
Q4
$2.26M
Buy
+95,913
New
+$2.62M
0.02%
333
2025
Q2
–
Sell
-10,024
Closed
-$351K
–
1138
2025
Q1
$351K
Buy
+10,024
New
+$392K
﹤0.01%
541
2021
Q3
–
Sell
-9,872
Closed
-$408
–
1519
2021
Q2
$408
Buy
+9,872
New
+$401K
﹤0.01%
946
2021
Q1
–
Sell
-4,292
Closed
-$224K
–
1189
2020
Q4
$224K
Buy
+4,292
New
+$170K
﹤0.01%
662
Other funds holding TENB
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New York
$5.7T AUM
30.48%
1-Year Est. Return
VPM
Vanguard Portfolio Management
Malvern, Pennsylvania
$1.91T AUM
Ameriprise
Minneapolis, Minnesota
$431B AUM
30.22%
1-Year Est. Return
VCM
Vanguard Capital Management
Malvern, Pennsylvania
$4.04T AUM
SCM
Shapiro Capital Management
Atlanta, Georgia
$1.6B AUM
13.27%
1-Year Est. Return
Arrowstreet Capital
Boston, Massachusetts
$185B AUM
39.58%
1-Year Est. Return
Fidelity Investments
Boston, Massachusetts
$1.9T AUM
41.92%
1-Year Est. Return
PCM
Penserra Capital Management
Orinda, California
$8.52B AUM
37.76%
1-Year Est. Return
State Street
Boston, Massachusetts
$2.9T AUM
29.55%
1-Year Est. Return
Geode Capital Management
Boston, Massachusetts
$1.61T AUM
30.72%
1-Year Est. Return
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Fund Insights
Common Fund Bets
See what stocks and ETFs funds are collectively bullish/bearish on
Largest Fund Trades
Explore the largest stock and ETF buys and sells made by funds
High Conviction Trades
Discover high conviction trades that caused a significant change in a fund's stake in a stock
Fund Manager Portfolios
Gain insights from the world’s largest funds and super investors
WSR Indexes
Fund Manager Index
Stock index based on fund manager consensus updated each quarter
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