William Blair Investment Management
PWP icon

William Blair Investment Management’s Perella Weinberg Partners PWP Stock Holding History

William Blair Investment Management’s Portfolio PWP Stock Details PWP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$70.1M Buy
4,390,541
+314,228
+8% +$5.75M 0.21% 128
2026
Q1 		$74M Buy
4,076,313
+130,150
+3% +$2.56M 0.24% 112
2025
Q4 		$68.3M Buy
3,946,163
+379,652
+11% +$7.09M 0.19% 126
2025
Q3 		$76M Buy
3,566,511
+1,298,246
+57% +$27.7M 0.2% 124
2025
Q2 		$44M Buy
2,268,265
+934,382
+70% +$16.5M 0.12% 150
2025
Q1 		$24.5M Buy
1,333,883
+97,313
+8% +$2.21M 0.07% 264
2024
Q4 		$29.5M Buy
1,236,570
+30,441
+3% +$706K 0.07% 256
2024
Q3 		$23.3M Sell
1,206,129
-36,810
-3% -$675K 0.06% 286
2024
Q2 		$20.2M Buy
+1,242,939
New +$18.8M 0.05% 303

Other funds holding PWP

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

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

William Blair Investment Management increased its Perella Weinberg Partners (PWP) stake by 7.7% in Q2 2026, buying an estimated $5.75M and bringing the position to 4,390,541 shares worth $70.1M. The position accounts for 0.21% of the portfolio, ranked #128.

William Blair Investment Management first reported a position in PWP in Q2 2024 and has held it in 9 quarters since. The position peaked at $76M in Q3 2025. 163 funds tracked by Wall St. Rank hold PWP as of Q2 2026.

  • William Blair Investment Management held 4,390,541 shares of Perella Weinberg Partners worth $70.1M as of Q2 2026.
  • William Blair Investment Management bought 314,228 Perella Weinberg Partners shares in Q2 2026, an estimated $5.75M.
  • Perella Weinberg Partners made up 0.21% of William Blair Investment Management's portfolio in Q2 2026, its #128 holding.
  • William Blair Investment Management first reported a position in Perella Weinberg Partners in Q2 2024 and has held it in 9 quarters since.
  • William Blair Investment Management's Perella Weinberg Partners position peaked at $76M in Q3 2025.
  • 163 funds tracked by Wall St. Rank held Perella Weinberg Partners as of Q2 2026.

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