Mariner’s State Street SPDR S&P Biotech ETF XBI Stock Holding History

Mariner’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	$5.35M	Buy	41,926 +8,706	+26%	+$1.09M	0.01%	1030
2025 Q4	$4.05M	Buy	33,220 +9,283	+39%	+$1.06M	﹤0.01%	1103
2025 Q3	$2.4M	Sell	23,937 -1,886	-7%	-$170K	﹤0.01%	1326
2025 Q2	$2.14M	Buy	25,823 +524	+2%	+$41.8K	﹤0.01%	1291
2025 Q1	$2.05M	Sell	25,299 -3,475	-12%	-$311K	﹤0.01%	1236
2024 Q4	$2.59M	Sell	28,774 -129	-0.4%	-$12.5K	﹤0.01%	1081
2024 Q3	$2.86M	Sell	28,903 -1,414	-5%	-$139K	0.01%	1018
2024 Q2	$2.81M	Sell	30,317 -261	-0.9%	-$23.4K	0.01%	943
2024 Q1	$2.9M	Buy	30,578 +802	+3%	+$74.4K	0.01%	934
2023 Q4	$2.66M	Sell	29,776 -3,620	-11%	-$269K	0.01%	930
2023 Q3	$2.44M	Buy	33,396 +1,970	+6%	+$157K	0.01%	896
2023 Q2	$2.61M	Sell	31,426 -311	-1%	-$26K	0.01%	873
2023 Q1	$2.42M	Buy	31,737 +1,576	+5%	+$131K	0.01%	873
2022 Q4	$2.5M	Buy	30,161 +13,028	+76%	+$1.05M	0.01%	832
2022 Q3	$1.36M	Sell	17,133 -4,391	-20%	-$370K	0.01%	926
2022 Q2	$1.6M	Buy	21,524 +3,697	+21%	+$278K	0.01%	772
2022 Q1	$1.6M	Buy	+17,827	New	+$1.65M	0.01%	790
2016 Q4	–	Sell	-93	Closed	-$6K	–	805
2016 Q3	$6K	Buy	+93	New	+$5.75K	﹤0.01%	756

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

Mariner's XBI Position: Q1 2026 in Review

Mariner increased its State Street SPDR S&P Biotech ETF (XBI) stake by 26% in Q1 2026, buying an estimated $1.09M and bringing the position to 41,926 shares worth $5.35M. The position accounts for 0.01% of the portfolio, ranked #1030.

Mariner first reported a position in XBI in Q3 2016 and has held it in 18 quarters since. 813 funds tracked by Wall St. Rank hold XBI as of Q1 2026.

Mariner held 41,926 shares of State Street SPDR S&P Biotech ETF worth $5.35M as of Q1 2026.
Mariner bought 8,706 State Street SPDR S&P Biotech ETF shares in Q1 2026, an estimated $1.09M.
State Street SPDR S&P Biotech ETF made up 0.01% of Mariner's portfolio in Q1 2026, its #1030 holding.
Mariner first reported a position in State Street SPDR S&P Biotech ETF in Q3 2016 and has held it in 18 quarters since.
813 funds tracked by Wall St. Rank held State Street SPDR S&P Biotech ETF as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.