Tower Research Capital LLC (TRC)
Position in IBB — iShares Biotechnology ETF
CIK 1533421
NEW YORK, NY
Position in IBB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$6,069,312
+$2,908,589 QoQ
Shares Held
35,945
+91.9% QoQ
Ownership
—
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IBB Over Time
Shares Held
Position Value (USD)
All Filings in IBB
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $6,069,312 | 35,945 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $3,160,723 | 18,728 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $947,067 | 6,560 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $6,456,690 | 51,037 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $2,630,007 | 20,563 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $793 | 6 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $160,160 | 1,100 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $21,824 | 159 | Shares | Other | 2024-08-13 | |
| 2024-03-31 | $18,113 | 132 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $10,188 | 75 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $12,051,923 | 98,552 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $44,309 | 349 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $344,598 | 2,668 | Shares | Other | 2023-05-09 | |
| 2022-12-31 | $2,612,802 | 19,901 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $11,506,173 | 98,377 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $300,897 | 2,558 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $1,165,924 | 8,948 | Shares | Defined | 2022-05-12 | |
| 2021-12-31 | $4,109,598 | 26,927 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $1,099,908 | 6,803 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $2,078,191 | 12,699 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $8,139,122 | 54,059 | Shares | Other | 2021-05-17 | |
| 2020-09-30 | $4,701,841 | 34,723 | Shares | Other | 2020-11-16 | |
| 2020-03-31 | $20,039 | 186 | Shares | Other | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||