William Blair & Company
SPYM

William Blair & Company’s State Street SPDR Portfolio S&P 500 ETF SPYM Stock Holding History

William Blair & Company’s Portfolio SPYM Stock Details SPYM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$13.9M Buy
182,242
+8,484
+5% +$679K 0.04% 292
2025
Q4 		$13.9M Buy
173,758
+51,290
+42% +$4.08M 0.04% 295
2025
Q3 		$9.59M Buy
122,468
+19,147
+19% +$1.44M 0.03% 367
2025
Q2 		$7.51M Buy
103,321
+1,133
+1% +$76.2K 0.02% 408
2025
Q1 		$6.72M Buy
102,188
+9,005
+10% +$623K 0.02% 409
2024
Q4 		$6.42M Buy
93,183
+59,494
+177% +$4.12M 0.02% 431
2024
Q3 		$2.27M Buy
33,689
+8,050
+31% +$524K 0.01% 671
2024
Q2 		$1.64M Sell
25,639
-2,758
-10% -$170K 0.01% 739
2024
Q1 		$1.75M Buy
28,397
+5,806
+26% +$340K 0.01% 705
2023
Q4 		$1.26M Sell
22,591
-860
-4% -$45.1K ﹤0.01% 790
2023
Q3 		$1.18M Buy
23,451
+1,049
+5% +$54.9K ﹤0.01% 786
2023
Q2 		$1.17M Buy
22,402
+5,889
+36% +$291K ﹤0.01% 801
2023
Q1 		$795K Buy
16,513
+2,336
+16% +$110K ﹤0.01% 897
2022
Q4 		$639K Buy
14,177
+1,500
+12% +$67.8K ﹤0.01% 965
2022
Q3 		$541K Buy
12,677
+9,907
+358% +$463K ﹤0.01% 1014
2022
Q2 		$123K Buy
2,770
+117
+4% +$5.64K ﹤0.01% 1505
2022
Q1 		$141K Hold
2,653
– – ﹤0.01% 1587
2021
Q4 		$148K Sell
2,653
-312
-11% -$16.8K ﹤0.01% 1633
2021
Q3 		$150K Buy
2,965
+28
+1% +$1.45K ﹤0.01% 1553
2021
Q2 		$148K Buy
+2,937
New +$144K ﹤0.01% 1565

Other funds holding SPYM

Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $208B AUM 16.12% 1-Year Est. Return
Betterment LLC
Betterment LLC New York $52.8B AUM 15.34% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
UIM
USS Investment Management London, United Kingdom $25.6B AUM 30.22% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.94% 1-Year Est. Return

William Blair & Company's SPYM Position: Q1 2026 in Review

William Blair & Company increased its State Street SPDR Portfolio S&P 500 ETF (SPYM) stake by 4.9% in Q1 2026, buying an estimated $679K and bringing the position to 182,242 shares worth $13.9M. The position accounts for 0.04% of the portfolio, ranked #292.

William Blair & Company first reported a position in SPYM in Q2 2021 and has held it in 20 quarters since. 1,596 funds tracked by Wall St. Rank hold SPYM as of Q1 2026.

  • William Blair & Company held 182,242 shares of State Street SPDR Portfolio S&P 500 ETF worth $13.9M as of Q1 2026.
  • William Blair & Company bought 8,484 State Street SPDR Portfolio S&P 500 ETF shares in Q1 2026, an estimated $679K.
  • State Street SPDR Portfolio S&P 500 ETF made up 0.04% of William Blair & Company's portfolio in Q1 2026, its #292 holding.
  • William Blair & Company first reported a position in State Street SPDR Portfolio S&P 500 ETF in Q2 2021 and has held it in 20 quarters since.
  • 1,596 funds tracked by Wall St. Rank held State Street SPDR Portfolio S&P 500 ETF as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.