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

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$6.76M Buy
42,739
+813
+2% +$110K 0.01% 905
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

Mariner's XBI Position: Q2 2026 in Review

Mariner increased its State Street SPDR S&P Biotech ETF (XBI) stake by 1.9% in Q2 2026, buying an estimated $110K and bringing the position to 42,739 shares worth $6.76M. The position accounts for 0.01% of the portfolio, ranked #905.

Mariner first reported a position in XBI in Q3 2016 and has held it in 19 quarters since. 933 funds tracked by Wall St. Rank hold XBI as of Q2 2026.

  • Mariner held 42,739 shares of State Street SPDR S&P Biotech ETF worth $6.76M as of Q2 2026.
  • Mariner bought 813 State Street SPDR S&P Biotech ETF shares in Q2 2026, an estimated $110K.
  • State Street SPDR S&P Biotech ETF made up 0.01% of Mariner's portfolio in Q2 2026, its #905 holding.
  • Mariner first reported a position in State Street SPDR S&P Biotech ETF in Q3 2016 and has held it in 19 quarters since.
  • 933 funds tracked by Wall St. Rank held State Street SPDR S&P Biotech ETF as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.