Hudson Bay Capital Management’s State Street SPDR S&P Biotech ETF XBI Stock Holding History

Hudson Bay Capital Management’s Portfolio XBI Stock Details XBI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$37.4M	Buy	292,500 +92,500	+46%	+$11.5M	0.13%	136
2025 Q4	$24.4M	Buy	+200,000	New	+$22.9M	0.08%	203
2025 Q2	–	Sell	-575,000	Closed	-$46.6M	–	1680
2025 Q1	$46.6M	Buy	575,000 +425,000	+283%	+$38M	0.14%	139
2024 Q4	$13.5M	Buy	+150,000	New	+$14.5M	0.05%	307
2023 Q4	–	Sell	-100,000	Closed	-$7.3M	–	912
2023 Q3	$7.3M	Buy	+100,000	New	+$7.99M	0.06%	213

Other funds holding XBI

BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Citigroup New York $235B AUM 32.99% 1-Year Est. Return

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $62.2B AUM 31.35% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Hudson Bay Capital Management's XBI Position: Q1 2026 in Review

Hudson Bay Capital Management opened a new position in State Street SPDR S&P Biotech ETF (XBI) in Q1 2026: 255 shares worth $32.6K. The stake represents ﹤0.01% of the portfolio and ranks #1299 among its holdings. This is a return to the name: Hudson Bay Capital Management previously reported a position in XBI as recently as Q1 2025.

Hudson Bay Capital Management first reported a position in XBI in Q2 2020 and has held it in 7 quarters since. The position peaked at $11M in Q1 2025. 814 funds tracked by Wall St. Rank hold XBI as of Q1 2026.

Hudson Bay Capital Management held 255 shares of State Street SPDR S&P Biotech ETF worth $32.6K as of Q1 2026.
State Street SPDR S&P Biotech ETF was a new Hudson Bay Capital Management position in Q1 2026.
State Street SPDR S&P Biotech ETF made up ﹤0.01% of Hudson Bay Capital Management's portfolio in Q1 2026, its #1299 holding.
Hudson Bay Capital Management first reported a position in State Street SPDR S&P Biotech ETF in Q2 2020 and has held it in 7 quarters since.
Hudson Bay Capital Management's State Street SPDR S&P Biotech ETF position peaked at $11M in Q1 2025.
814 funds tracked by Wall St. Rank held State Street SPDR S&P Biotech ETF as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.