Tower Research Capital LLC (TRC)
Top Portfolio Positions
4,200 positions ·
$2,867,528,402 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 | 4.87% | |
| AAPL |
Apple Inc.
Technology
|
441,968 | $112,167,057 | 3.91% | |
| MSFT |
Microsoft Corp
Technology
|
252,983 | $93,646,716 | 3.27% | |
| MU |
Micron Technology Inc
Technology
|
268,948 | $90,861,391 | 3.17% | |
| TSLA |
Tesla, Inc.
Consumer Cyclical
|
186,139 | $69,197,172 | 2.41% | |
| NVDA |
Nvidia Corp
Technology
|
376,365 | $65,638,055 | 2.29% | |
| AVGO |
Broadcom Inc.
Technology
|
179,070 | $55,423,955 | 1.93% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
169,323 | $48,690,521 | 1.70% | |
| SPY |
Spdr S&P 500 ETF Trust
|
54,144 | $35,212,007 | 1.23% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
150,819 | $31,411,072 | 1.10% |
Portfolio Trend
25 quarters · across all stocks
Holdings in OPRX
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,486 | 1,829 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $26,322 | 2,147 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $20,315 | 991 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $36,828 | 2,728 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $10,503 | 1,213 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $9,238 | 1,901 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $7,233 | 937 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $117,250 | 11,725 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $6,099 | 502 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $96,807 | 6,765 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $10,370 | 1,333 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $9,631 | 674 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $8,996 | 615 | Shares | Other | 2023-05-09 | |
| 2022-12-31 | $346,617 | 20,632 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $18,791 | 1,268 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $181,184 | 6,615 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $18,024 | 478 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $25,030 | 403 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $80,673 | 943 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $36,706 | 593 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $52,211 | 1,071 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $131,401 | 4,217 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $325,114 | 15,593 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $38,829 | 2,980 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $2,265 | 250 | Shares | Defined | 2020-05-15 | |
| No 13F history on record for this holder in this stock. | ||||||