Twin Tree Management’s State Street SPDR S&P Biotech ETF XBI Stock Holding History

Twin Tree 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	$4.25M	Buy	33,300 +15,000	+82%	+$1.87M	0.09%	255
2025 Q4	$2.23M	Buy	18,300 +11,200	+158%	+$1.28M	0.02%	789
2025 Q3	$711K	Sell	7,100 -152,500	-96%	-$13.7M	﹤0.01%	1238
2025 Q2	$13.2M	Sell	159,600 -702,800	-81%	-$56.1M	0.02%	659
2025 Q1	$69.9M	Sell	862,400 -1,474,100	-63%	-$132M	0.13%	110
2024 Q4	$210M	Buy	2,336,500 +1,076,900	+85%	+$104M	0.38%	44
2024 Q3	$124M	Sell	1,259,600 -984,900	-44%	-$96.8M	0.24%	63
2024 Q2	$208M	Buy	2,244,500 +2,076,600	+1,237%	+$186M	0.47%	35
2024 Q1	$15.9M	Buy	+167,900	New	+$15.6M	0.04%	471
2022 Q2	–	Sell	-1,697,100	Closed	-$153M	–	1898
2022 Q1	$153M	Buy	1,697,100 +699,700	+70%	+$64.6M	0.24%	40
2021 Q4	$112M	Sell	997,400 -245,800	-20%	-$29.6M	0.23%	54
2021 Q3	$156M	Buy	1,243,200 +995,100	+401%	+$128M	0.34%	36
2021 Q2	$33.6M	Buy	+248,100	New	+$32.6M	0.09%	217
2020 Q3	–	Sell	-951,500	Closed	-$107M	–	1637
2020 Q2	$107M	Buy	951,500 +428,400	+82%	+$42.2M	0.43%	28
2020 Q1	$40.5M	Sell	523,100 -309,600	-37%	-$27.4M	0.19%	90
2019 Q4	$79.2M	Buy	832,700 +700,600	+530%	+$60.6M	0.27%	58
2019 Q3	$10.1M	Sell	132,100 -1,468,000	-92%	-$122M	0.04%	327
2019 Q2	$140M	Sell	1,600,100 -168,100	-10%	-$14.3M	0.69%	24
2019 Q1	$160M	Buy	1,768,200 +674,300	+62%	+$57.4M	0.83%	17
2018 Q4	$78.5M	Buy	1,093,900 +799,100	+271%	+$64.4M	0.49%	20
2018 Q3	$28.3M	Buy	294,800 +193,900	+192%	+$18.8M	0.19%	94
2018 Q2	$9.61M	Sell	100,900 -133,400	-57%	-$12.3M	0.06%	277
2018 Q1	$20.6M	Sell	234,300 -100,500	-30%	-$9.17M	0.16%	104
2017 Q4	$28.4M	Sell	334,800 -119,600	-26%	-$10M	0.21%	72
2017 Q3	$39.3M	Buy	454,400 +426,200	+1,511%	+$34.2M	0.31%	55
2017 Q2	$2.18M	Sell	28,200 -104,200	-79%	-$7.39M	0.02%	537
2017 Q1	$9.18M	Buy	+132,400	New	+$8.89M	0.08%	233

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

Twin Tree Management's XBI Position: Q1 2026 in Review

Twin Tree Management increased its State Street SPDR S&P Biotech ETF (XBI) stake by 1,142% in Q1 2026, buying an estimated $5.3M and bringing the position to 46,151 shares worth $5.89M. The position accounts for 0.12% of the portfolio, ranked #189.

Twin Tree Management first reported a position in XBI in Q4 2017 and has held it in 20 quarters since. The position peaked at $76.7M in Q4 2023. 813 funds tracked by Wall St. Rank hold XBI as of Q1 2026.

Twin Tree Management held 46,151 shares of State Street SPDR S&P Biotech ETF worth $5.89M as of Q1 2026.
Twin Tree Management bought 42,434 State Street SPDR S&P Biotech ETF shares in Q1 2026, an estimated $5.3M.
State Street SPDR S&P Biotech ETF made up 0.12% of Twin Tree Management's portfolio in Q1 2026, its #189 holding.
Twin Tree Management first reported a position in State Street SPDR S&P Biotech ETF in Q4 2017 and has held it in 20 quarters since.
Twin Tree Management's State Street SPDR S&P Biotech ETF position peaked at $76.7M in Q4 2023.
813 funds tracked by Wall St. Rank held State Street SPDR S&P Biotech ETF as of Q1 2026.

Based on Twin Tree Management's 13F filing for Q1 2026, filed 14 May 2026.