William Blair Investment Management
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William Blair Investment Management’s TKO Group TKO Stock Holding History

William Blair Investment Management’s Portfolio TKO Stock Details TKO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-22,676
Closed -$4.57M – 444
2026
Q1 		$4.57M Sell
22,676
-163
-0.7% -$33.3K 0.02% 338
2025
Q4 		$4.77M Sell
22,839
-10,357
-31% -$2.01M 0.01% 338
2025
Q3 		$6.7M Sell
33,196
-21,345
-39% -$3.9M 0.02% 333
2025
Q2 		$9.92M Buy
+54,541
New +$8.76M 0.03% 328

Other funds holding TKO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Ninety One (UK)
Ninety One (UK) London, United Kingdom $44.7B AUM 17.24% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
XL
XN LP New York $3.8B AUM 49.01% 1-Year Est. Return
LT
Lindsell Train London, United Kingdom $2.63B AUM 2.97% 1-Year Est. Return

William Blair Investment Management's TKO Position: Q2 2026 in Review

William Blair Investment Management sold out of TKO Group (TKO) in Q2 2026, closing a stake of 22,676 shares — an estimated $4.57M sold.

William Blair Investment Management first reported a position in TKO in Q2 2025 and held it in 4 quarters. The position peaked at $9.92M in Q2 2025. 657 funds tracked by Wall St. Rank hold TKO as of Q2 2026.

  • William Blair Investment Management reported no remaining TKO Group position as of Q2 2026 after selling out during the quarter.
  • William Blair Investment Management sold 22,676 TKO Group shares in Q2 2026, an estimated $4.57M.
  • William Blair Investment Management first reported a position in TKO Group in Q2 2025 and held it in 4 quarters.
  • William Blair Investment Management's TKO Group position peaked at $9.92M in Q2 2025.
  • 657 funds tracked by Wall St. Rank held TKO Group as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.