Tower Research Capital (TRC)’s iShares Biotechnology ETF IBB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
Sell
-35,945
Closed -$6.07M 5421
2026
Q1
$6.07M Buy
35,945
+17,217
+92% +$2.94M 0.16% 125
2025
Q4
$3.16M Buy
18,728
+12,168
+185% +$1.98M 0.08% 225
2025
Q3
$947K Sell
6,560
-44,477
-87% -$6.07M 0.03% 535
2025
Q2
$6.46M Buy
51,037
+30,474
+148% +$3.74M 0.17% 97
2025
Q1
$2.61M Buy
20,563
+20,557
+342,617% +$2.79M 0.08% 219
2024
Q4
$793 Sell
6
-1,094
-99% -$154K ﹤0.01% 5167
2024
Q3
$160K Buy
1,100
+941
+592% +$136K ﹤0.01% 1827
2024
Q2
$21.8K Buy
159
+27
+20% +$3.6K ﹤0.01% 3707
2024
Q1
$18.1K Buy
132
+57
+76% +$7.78K ﹤0.01% 3083
2023
Q4
$10.2K Sell
75
-98,477
-100% -$12M ﹤0.01% 4281
2023
Q3
$12.1M Buy
98,552
+98,203
+28,138% +$12.5M 0.38% 38
2023
Q2
$44.3K Sell
349
-2,319
-87% -$301K ﹤0.01% 2671
2023
Q1
$345K Sell
2,668
-17,233
-87% -$2.26M 0.01% 1057
2022
Q4
$2.61M Sell
19,901
-78,476
-80% -$10.1M 0.11% 135
2022
Q3
$11.5M Buy
98,377
+95,819
+3,746% +$11.9M 0.19% 92
2022
Q2
$301K Sell
2,558
-6,390
-71% -$759K 0.01% 1478
2022
Q1
$1.17M Sell
8,948
-17,979
-67% -$2.34M 0.01% 729
2021
Q4
$4.11M Buy
26,927
+20,124
+296% +$3.12M 0.07% 233
2021
Q3
$1.1M Sell
6,803
-5,896
-46% -$992K 0.03% 488
2021
Q2
$2.08M Sell
12,699
-41,360
-77% -$6.37M 0.05% 293
2021
Q1
$8.14M Buy
+54,059
New +$8.59M 0.14% 128
2020
Q4
Sell
-34,723
Closed -$4.7M 5254
2020
Q3
$4.7M Buy
+34,723
New +$4.71M 0.05% 89
2020
Q2
Sell
-186
Closed -$20K 4848
2020
Q1
$20K Sell
186
-54,432
-100% -$6.27M ﹤0.01% 1712
2019
Q4
$6.58M Sell
54,618
-81,052
-60% -$9.04M 0.55% 17
2019
Q3
$13.5M Buy
135,670
+135,513
+86,314% +$14.2M 0.93% 10
2019
Q2
$17K Sell
157
-81
-34% -$8.62K ﹤0.01% 2273
2019
Q1
$27K Sell
238
-91,218
-100% -$10M ﹤0.01% 2108
2018
Q4
$8.82M Buy
91,456
+80,451
+731% +$8.54M 0.64% 20
2018
Q3
$1.34M Buy
11,005
+10,997
+137,463% +$1.29M 0.1% 159
2018
Q2
$1K Sell
8
-97
-92% -$10.4K ﹤0.01% 3481
2018
Q1
$11K Sell
105
-18,513
-99% -$2.05M ﹤0.01% 2431
2017
Q4
$1.99M Buy
18,618
+18,576
+44,229% +$1.99M 0.26% 75
2017
Q3
$5K Sell
42
-41,058
-100% -$4.39M ﹤0.01% 3308
2017
Q2
$4.25M Sell
41,100
-70,266
-63% -$6.92M 0.48% 31
2017
Q1
$10.9M Sell
111,366
-930
-0.8% -$89K 1.09% 12
2016
Q4
$9.93M Buy
+112,296
New +$10.2M 1.08% 5
2016
Q3
Sell
-311,910
Closed -$26.8M 3985
2016
Q2
$26.8M Buy
311,910
+172,230
+123% +$15.5M 2.56% 3
2016
Q1
$12.1M Buy
+139,680
New +$12.5M 1.81% 6
2015
Q4
Sell
-4,938
Closed -$499K 4715
2015
Q3
$499K Buy
+4,938
New +$592K 0.05% 155
2015
Q1
Sell
-2,247
Closed -$227K 4628
2014
Q4
$227K Buy
+2,247
New +$218K 0.02% 271
2014
Q3
Sell
-20,370
Closed -$1.75M 4609
2014
Q2
$1.75M Buy
+20,370
New +$1.6M 0.22% 53
2013
Q4
Sell
-57,546
Closed -$4.02M 4676
2013
Q3
$4.02M Sell
57,546
-47,007
-45% -$3.08M 0.43% 41
2013
Q2
$6.06M Buy
+104,553
New +$6.04M 0.49% 18

Other funds holding IBB

Tower Research Capital (TRC)'s IBB Position: Q2 2026 in Review

Tower Research Capital (TRC) sold out of iShares Biotechnology ETF (IBB) in Q2 2026, closing a stake of 35,945 shares — an estimated $6.07M sold.

Tower Research Capital (TRC) first reported a position in IBB in Q2 2013 and held it in 43 quarters. The position peaked at $26.8M in Q2 2016. 956 funds tracked by Wall St. Rank hold IBB as of Q2 2026.

  • Tower Research Capital (TRC) reported no remaining iShares Biotechnology ETF position as of Q2 2026 after selling out during the quarter.
  • Tower Research Capital (TRC) sold 35,945 iShares Biotechnology ETF shares in Q2 2026, an estimated $6.07M.
  • Tower Research Capital (TRC) first reported a position in iShares Biotechnology ETF in Q2 2013 and held it in 43 quarters.
  • Tower Research Capital (TRC)'s iShares Biotechnology ETF position peaked at $26.8M in Q2 2016.
  • 956 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q2 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q2 2026, filed 11 Aug 2026.