William Blair Investment Management
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William Blair Investment Management’s Apollo Global Management APO Stock Holding History

William Blair Investment Management’s Portfolio APO Stock Details APO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$990K Buy
8,367
+2,092
+33% +$263K ﹤0.01% 355
2026
Q1 		$699K Sell
6,275
-116
-2% -$14.4K ﹤0.01% 368
2025
Q4 		$925K Sell
6,391
-206
-3% -$27.4K ﹤0.01% 369
2025
Q3 		$879K Sell
6,597
-919,898
-99% -$130M ﹤0.01% 360
2025
Q2 		$131M Sell
926,495
-18,710
-2% -$2.48M 0.35% 83
2025
Q1 		$129M Sell
945,205
-454,155
-32% -$69.8M 0.36% 75
2024
Q4 		$231M Sell
1,399,360
-334,048
-19% -$52.9M 0.56% 43
2024
Q3 		$217M Sell
1,733,408
-150,193
-8% -$17.3M 0.53% 53
2024
Q2 		$222M Sell
1,883,601
-20,611
-1% -$2.34M 0.58% 43
2024
Q1 		$214M Buy
1,904,212
+147,710
+8% +$15.6M 0.55% 52
2023
Q4 		$164M Sell
1,756,502
-146,470
-8% -$12.9M 0.48% 70
2023
Q3 		$171M Buy
1,902,972
+191,881
+11% +$16.1M 0.57% 50
2023
Q2 		$131M Sell
1,711,091
-336,405
-16% -$22.5M 0.42% 82
2023
Q1 		$129M Sell
2,047,496
-831,614
-29% -$55.7M 0.45% 76
2022
Q4 		$184M Buy
2,879,110
+414,166
+17% +$24.6M 0.7% 43
2022
Q3 		$115M Buy
2,464,944
+25,783
+1% +$1.42M 0.45% 79
2022
Q2 		$118M Buy
2,439,161
+350,087
+17% +$19M 0.44% 83
2022
Q1 		$130M Buy
+2,089,074
New +$137M 0.39% 90
2021
Q4 		– Sell
-1,305,225
Closed -$80.4M – 429
2021
Q3 		$80.4M Buy
1,305,225
+303,823
+30% +$18.3M 0.23% 117
2021
Q2 		$62.3M Sell
1,001,402
-53,908
-5% -$2.99M 0.2% 132
2021
Q1 		$49.6M Buy
1,055,310
+73,253
+7% +$3.56M 0.16% 145
2020
Q4 		$48.1M Buy
982,057
+12,992
+1% +$580K 0.16% 131
2020
Q3 		$43.4M Buy
969,065
+114,801
+13% +$5.52M 0.17% 132
2020
Q2 		$42.6M Buy
854,264
+112,929
+15% +$4.96M 0.17% 135
2020
Q1 		$24.8M Buy
741,335
+70,695
+11% +$3.04M 0.12% 163
2019
Q4 		$32M Buy
+670,640
New +$28.6M 0.13% 148

Other funds holding APO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
NPT
National Philanthropic Trust Jenkintown, Pennsylvania $6.92B AUM 24.7% 1-Year Est. Return

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

William Blair Investment Management increased its Apollo Global Management (APO) stake by 33% in Q2 2026, buying an estimated $263K and bringing the position to 8,367 shares worth $990K. The position accounts for ﹤0.01% of the portfolio, ranked #355.

William Blair Investment Management first reported a position in APO in Q4 2019 and has held it in 26 quarters since. The position peaked at $231M in Q4 2024. 1,178 funds tracked by Wall St. Rank hold APO as of Q2 2026.

  • William Blair Investment Management held 8,367 shares of Apollo Global Management worth $990K as of Q2 2026.
  • William Blair Investment Management bought 2,092 Apollo Global Management shares in Q2 2026, an estimated $263K.
  • Apollo Global Management made up ﹤0.01% of William Blair Investment Management's portfolio in Q2 2026, its #355 holding.
  • William Blair Investment Management first reported a position in Apollo Global Management in Q4 2019 and has held it in 26 quarters since.
  • William Blair Investment Management's Apollo Global Management position peaked at $231M in Q4 2024.
  • 1,178 funds tracked by Wall St. Rank held Apollo Global Management as of Q2 2026.

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