William Blair & Company
SPXU icon

William Blair & Company’s ProShares UltraPro Short S&P 500 SPXU Stock Holding History

William Blair & Company’s Portfolio SPXU Stock Details SPXU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-8
Closed -$721 – 1880
2024
Q4 		$721 Hold
8
– – ﹤0.01% 1812
2024
Q3 		$775 Hold
8
– – ﹤0.01% 1815
2024
Q2 		$922 Buy
+8
New +$1.05K ﹤0.01% 1812
2024
Q1 		– Sell
-8
Closed -$1.38K – 1845
2023
Q4 		$1.38K Hold
8
– – ﹤0.01% 1767
2023
Q3 		$1.91K Hold
8
– – ﹤0.01% 1767
2023
Q2 		$1.71K Hold
8
– – ﹤0.01% 1787
2023
Q1 		$2.16K Hold
8
– – ﹤0.01% 1779
2022
Q4 		$2.7K Hold
8
– – ﹤0.01% 1781
2022
Q3 		$4K Hold
8
– – ﹤0.01% 1779
2022
Q2 		$3K Hold
8
– – ﹤0.01% 1828
2022
Q1 		$2K Hold
8
– – ﹤0.01% 1895
2021
Q4 		$2K Hold
8
– – ﹤0.01% 1947
2021
Q3 		$3K Hold
8
– – ﹤0.01% 1847
2021
Q2 		$3K Hold
8
– – ﹤0.01% 1858
2021
Q1 		$4K Hold
8
– – ﹤0.01% 1822
2020
Q4 		$5K Sell
8
-8
-50% -$5.74K ﹤0.01% 1778
2020
Q3 		$14K Sell
16
-3
-16% -$2.82K ﹤0.01% 1610
2020
Q2 		$22K Buy
19
+8
+73% +$12.2K ﹤0.01% 1527
2020
Q1 		$26K Sell
11
-21
-66% -$47.2K ﹤0.01% 1455
2019
Q4 		$64K Hold
32
– – ﹤0.01% 1467
2019
Q3 		$83K Hold
32
– – ﹤0.01% 1399
2019
Q2 		$89K Buy
+32
New +$95.7K ﹤0.01% 1439

Other funds holding SPXU

Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $12.4B AUM 62.79% 1-Year Est. Return
CCA
Cadent Capital Advisors Tulsa, Oklahoma $485M AUM 45.96% 1-Year Est. Return
QC
Quadrature Capital London, United Kingdom $11.7B AUM 87.29% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
BFM
Boothbay Fund Management New York $7.6B AUM 109.3% 1-Year Est. Return
Kovitz Investment Group Partners
Kovitz Investment Group Partners Chicago, Illinois $4.52B AUM 31.84% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.5B AUM 33.95% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return

William Blair & Company's SPXU Position: Q1 2025 in Review

William Blair & Company sold out of ProShares UltraPro Short S&P 500 (SPXU) in Q1 2025, closing a stake of 8 shares — an estimated $721 sold.

William Blair & Company first reported a position in SPXU in Q2 2019 and held it in 22 quarters. The position peaked at $89K in Q2 2019. 42 funds tracked by Wall St. Rank hold SPXU as of Q1 2025.

  • William Blair & Company reported no remaining ProShares UltraPro Short S&P 500 position as of Q1 2025 after selling out during the quarter.
  • William Blair & Company sold 8 ProShares UltraPro Short S&P 500 shares in Q1 2025, an estimated $721.
  • William Blair & Company first reported a position in ProShares UltraPro Short S&P 500 in Q2 2019 and held it in 22 quarters.
  • William Blair & Company's ProShares UltraPro Short S&P 500 position peaked at $89K in Q2 2019.
  • 42 funds tracked by Wall St. Rank held ProShares UltraPro Short S&P 500 as of Q1 2025.

Based on William Blair & Company's 13F filing for Q1 2025, filed 9 May 2025.