Tower Research Capital LLC (TRC)
Top Portfolio Positions
4,189 positions ·
$2,849,444,459 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| QQQ |
Invesco Qqq Trust, Series 1
|
241,703 | $139,506,137 | 4.90% | |
| AAPL |
Apple Inc.
Technology
|
441,968 | $112,167,057 | 3.94% | |
| MSFT |
Microsoft Corp
Technology
|
252,983 | $93,646,716 | 3.29% | |
| MU |
Micron Technology Inc
Technology
|
268,948 | $90,861,391 | 3.19% | |
| TSLA |
Tesla, Inc.
Consumer Cyclical
|
186,139 | $69,197,172 | 2.43% | |
| NVDA |
Nvidia Corp
Technology
|
376,365 | $65,638,055 | 2.30% | |
| AVGO |
Broadcom Inc.
Technology
|
179,070 | $55,423,955 | 1.95% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
169,323 | $48,690,521 | 1.71% | |
| SPY |
Spdr S&P 500 ETF Trust
|
54,144 | $35,212,007 | 1.24% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
150,819 | $31,411,072 | 1.10% |
Portfolio Trend
Holdings in OSUR
Shares Held
Position Value (USD)
24 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $34,497 | 11,499 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $15,437 | 6,379 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $15,690 | 4,888 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $30,849 | 10,283 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $20,348 | 6,038 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $28,233 | 7,821 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $11,046 | 2,587 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $204,091 | 47,909 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $9,065 | 1,474 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $244,573 | 29,826 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $18,127 | 3,057 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $92,108 | 18,385 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $23,800 | 3,934 | Shares | Other | 2023-05-09 | |
| 2022-12-31 | $20,022 | 4,154 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $18,964 | 5,004 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $20,340 | 7,506 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $23,844 | 3,517 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $50,627 | 5,826 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $53,744 | 4,752 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $48,255 | 4,759 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $145,163 | 12,439 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $25,394 | 2,398 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $785,938 | 64,580 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $146,292 | 12,579 | Shares | Other | 2020-08-13 | |
| No 13F history on record for this holder in this stock. | ||||||