William Blair Investment Management
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William Blair Investment Management’s Tenable Holdings TENB Stock Holding History

William Blair Investment Management’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
2025
Q2 		– Sell
-2,434,850
Closed -$85.2M – 457
2025
Q1 		$85.2M Sell
2,434,850
-205,179
-8% -$8.03M 0.24% 110
2024
Q4 		$104M Sell
2,640,029
-1,433,485
-35% -$59.4M 0.25% 112
2024
Q3 		$165M Buy
4,073,514
+844,546
+26% +$35.2M 0.41% 86
2024
Q2 		$141M Sell
3,228,968
-262,333
-8% -$11.6M 0.37% 86
2024
Q1 		$173M Buy
3,491,301
+585,559
+20% +$27.8M 0.45% 70
2023
Q4 		$134M Sell
2,905,742
-122,568
-4% -$5.16M 0.39% 88
2023
Q3 		$136M Buy
3,028,310
+810,831
+37% +$36.4M 0.45% 76
2023
Q2 		$96.6M Buy
2,217,479
+394,264
+22% +$16.1M 0.31% 99
2023
Q1 		$86.6M Buy
+1,823,215
New +$77.4M 0.3% 106
2022
Q2 		– Sell
-27,987
Closed -$1.62M – 446
2022
Q1 		$1.62M Buy
+27,987
New +$1.45M ﹤0.01% 368

Other funds holding TENB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
RC
RGM Capital Naples, Florida $2.06B AUM 8.49% 1-Year Est. Return
Assenagon Asset Management
Assenagon Asset Management Senningerberg, Luxembourg $80.2B AUM 50.56% 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

William Blair Investment Management's TENB Position: Q2 2025 in Review

William Blair Investment Management sold out of Tenable Holdings (TENB) in Q2 2025, closing a stake of 2,434,850 shares — an estimated $85.2M sold.

William Blair Investment Management first reported a position in TENB in Q1 2022 and held it in 10 quarters. The position peaked at $173M in Q1 2024. 281 funds tracked by Wall St. Rank hold TENB as of Q2 2025.

  • William Blair Investment Management reported no remaining Tenable Holdings position as of Q2 2025 after selling out during the quarter.
  • William Blair Investment Management sold 2,434,850 Tenable Holdings shares in Q2 2025, an estimated $85.2M.
  • William Blair Investment Management first reported a position in Tenable Holdings in Q1 2022 and held it in 10 quarters.
  • William Blair Investment Management's Tenable Holdings position peaked at $173M in Q1 2024.
  • 281 funds tracked by Wall St. Rank held Tenable Holdings as of Q2 2025.

Based on William Blair Investment Management's 13F filing for Q2 2025, filed 29 Jul 2025.