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
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
CB
Tower Research Capital (TRC)'s IBB Position: Q1 2026 in Review
Tower Research Capital (TRC) increased its iShares Biotechnology ETF (IBB) stake by 92% in Q1 2026, buying an estimated $2.94M and bringing the position to 35,945 shares worth $6.07M. The position accounts for 0.16% of the portfolio, ranked #125.
Tower Research Capital (TRC) first reported a position in IBB in Q2 2013 and has held it in 43 quarters since. The position peaked at $26.8M in Q2 2016. 917 funds tracked by Wall St. Rank hold IBB as of Q1 2026.
- Tower Research Capital (TRC) held 35,945 shares of iShares Biotechnology ETF worth $6.07M as of Q1 2026.
- Tower Research Capital (TRC) bought 17,217 iShares Biotechnology ETF shares in Q1 2026, an estimated $2.94M.
- iShares Biotechnology ETF made up 0.16% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #125 holding.
- Tower Research Capital (TRC) first reported a position in iShares Biotechnology ETF in Q2 2013 and has held it in 43 quarters since.
- Tower Research Capital (TRC)'s iShares Biotechnology ETF position peaked at $26.8M in Q2 2016.
- 917 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q1 2026.
Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.