Tower Research Capital (TRC)’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
Q1
$4.2M Buy
32,918
+31,914
+3,179% +$3.98M 0.11% 178
2025
Q4
$122K Sell
1,004
-3,407
-77% -$391K ﹤0.01% 1805
2025
Q3
$442K Sell
4,411
-6,191
-58% -$558K 0.01% 958
2025
Q2
$879K Sell
10,602
-2,943
-22% -$235K 0.02% 605
2025
Q1
$1.26M Sell
13,545
-94,107
-87% -$8.41M 0.04% 414
2024
Q4
$9.7M Sell
107,652
-833
-0.8% -$80.7K 0.19% 79
2024
Q3
$10.7M Buy
108,485
+107,422
+10,106% +$10.6M 0.28% 45
2024
Q2
$98.6K Sell
1,063
-19,068
-95% -$1.71M ﹤0.01% 2595
2024
Q1
$1.91M Sell
20,131
-10,108
-33% -$938K 0.05% 296
2023
Q4
$2.7M Buy
30,239
+16,571
+121% +$1.23M 0.03% 417
2023
Q3
$998K Sell
13,668
-12,071
-47% -$964K 0.03% 543
2023
Q2
$2.14M Buy
25,739
+23,925
+1,319% +$2M 0.07% 216
2023
Q1
$138K Buy
1,814
+1,742
+2,419% +$145K ﹤0.01% 1588
2022
Q4
$6K Sell
72
-18,469
-100% -$1.5M ﹤0.01% 4785
2022
Q3
$1.47M Buy
+18,541
New +$1.56M 0.02% 537
2022
Q2
Sell
-47,483
Closed -$4.27M 6574
2022
Q1
$4.27M Buy
47,483
+46,881
+7,788% +$4.33M 0.04% 352
2021
Q4
$67K Sell
602
-2,041
-77% -$246K ﹤0.01% 2534
2021
Q3
$333K Sell
2,643
-13,454
-84% -$1.73M 0.01% 1297
2021
Q2
$2.18M Sell
16,097
-948
-6% -$125K 0.06% 276
2021
Q1
$2.31M Sell
17,045
-53,189
-76% -$7.96M 0.04% 427
2020
Q4
$9.89M Buy
70,234
+46,630
+198% +$5.97M 0.3% 29
2020
Q3
$2.63M Buy
23,604
+23,004
+3,834% +$2.58M 0.03% 253
2020
Q2
$67K Sell
600
-29,098
-98% -$2.87M ﹤0.01% 2817
2020
Q1
$2.3M Buy
29,698
+6,176
+26% +$547K 0.14% 95
2019
Q4
$2.24M Buy
+23,522
New +$2.03M 0.19% 46
2019
Q3
Sell
-33,279
Closed -$2.92M 4556
2019
Q2
$2.92M Buy
33,279
+32,747
+6,155% +$2.79M 0.2% 67
2019
Q1
$48K Sell
532
-354,694
-100% -$30.2M ﹤0.01% 1786
2018
Q4
$25.5M Buy
355,226
+319,365
+891% +$25.7M 1.84% 4
2018
Q3
$3.44M Buy
35,861
+35,855
+597,583% +$3.48M 0.25% 61
2018
Q2
$1K Sell
6
-7,981
-100% -$734K ﹤0.01% 3523
2018
Q1
$700K Sell
7,987
-6,993
-47% -$638K 0.06% 317
2017
Q4
$1.27M Sell
14,980
-41,554
-74% -$3.48M 0.16% 140
2017
Q3
$4.89M Buy
+56,534
New +$4.53M 0.4% 36
2017
Q2
Sell
-55,860
Closed -$3.87M 3533
2017
Q1
$3.87M Buy
55,860
+55,311
+10,075% +$3.71M 0.39% 28
2016
Q4
$32K Buy
+549
New +$33.9K ﹤0.01% 1747
2016
Q3
Sell
-165,366
Closed -$8.94M 4544
2016
Q2
$8.94M Sell
165,366
-43,854
-21% -$2.4M 0.85% 16
2016
Q1
$10.8M Buy
209,220
+204,702
+4,531% +$10.6M 1.61% 8
2015
Q4
$317K Sell
4,518
-109,536
-96% -$7.47M 0.05% 143
2015
Q3
$7.1M Buy
+114,054
New +$8.99M 0.69% 12
2015
Q2
Sell
-3,702
Closed -$278K 5111
2015
Q1
$278K Sell
3,702
-237,348
-98% -$16.6M 0.03% 279
2014
Q4
$15M Buy
241,050
+210,954
+701% +$12M 1.45% 6
2014
Q3
$1.56M Sell
30,096
-15,642
-34% -$798K 0.18% 112
2014
Q2
$2.35M Sell
45,738
-73,326
-62% -$3.31M 0.3% 39
2014
Q1
$5.66M Buy
119,064
+85,248
+252% +$4.36M 0.73% 19
2013
Q4
$1.47M Sell
33,816
-22,680
-40% -$939K 0.25% 58
2013
Q3
$2.43M Buy
+56,496
New +$2.29M 0.26% 82

Other funds holding XBI

Tower Research Capital (TRC)'s XBI Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its State Street SPDR S&P Biotech ETF (XBI) stake by 3,179% in Q1 2026, buying an estimated $3.98M and bringing the position to 32,918 shares worth $4.2M. The position accounts for 0.11% of the portfolio, ranked #178.

Tower Research Capital (TRC) first reported a position in XBI in Q3 2013 and has held it in 46 quarters since. The position peaked at $25.5M in Q4 2018. 813 funds tracked by Wall St. Rank hold XBI as of Q1 2026.

  • Tower Research Capital (TRC) held 32,918 shares of State Street SPDR S&P Biotech ETF worth $4.2M as of Q1 2026.
  • Tower Research Capital (TRC) bought 31,914 State Street SPDR S&P Biotech ETF shares in Q1 2026, an estimated $3.98M.
  • State Street SPDR S&P Biotech ETF made up 0.11% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #178 holding.
  • Tower Research Capital (TRC) first reported a position in State Street SPDR S&P Biotech ETF in Q3 2013 and has held it in 46 quarters since.
  • Tower Research Capital (TRC)'s State Street SPDR S&P Biotech ETF position peaked at $25.5M in Q4 2018.
  • 813 funds tracked by Wall St. Rank held State Street SPDR S&P Biotech ETF as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.