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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
Q2 		– Sell
-58,836
Closed -$995K – 1454
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 – 1137
2025
Q1 		$351K Buy
+10,024
New +$392K ﹤0.01% 541
2021
Q3 		– Sell
-9,872
Closed -$408K – 1515
2021
Q2 		$408K Buy
+9,872
New +$401K ﹤0.01% 946
2021
Q1 		– Sell
-4,292
Closed -$224K – 1187
2020
Q4 		$224K Buy
+4,292
New +$170K ﹤0.01% 662

Other funds holding TENB

Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
PCM
Penserra Capital Management Orinda, California $13B AUM 71.84% 1-Year Est. Return

Magnetar Financial's TENB Position: Q2 2026 in Review

Magnetar Financial sold out of Tenable Holdings (TENB) in Q2 2026, closing a stake of 58,836 shares — an estimated $995K sold.

Magnetar Financial first reported a position in TENB in Q4 2020 and held it in 5 quarters. The position peaked at $2.26M in Q4 2025. 312 funds tracked by Wall St. Rank hold TENB as of Q2 2026.

  • Magnetar Financial reported no remaining Tenable Holdings position as of Q2 2026 after selling out during the quarter.
  • Magnetar Financial sold 58,836 Tenable Holdings shares in Q2 2026, an estimated $995K.
  • Magnetar Financial first reported a position in Tenable Holdings in Q4 2020 and held it in 5 quarters.
  • Magnetar Financial's Tenable Holdings position peaked at $2.26M in Q4 2025.
  • 312 funds tracked by Wall St. Rank held Tenable Holdings as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.