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 OSTX
Shares Held
Position Value (USD)
4 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,892 | 4,179 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $123 | 88 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $8,167 | 4,167 | Shares | Other | 2025-11-14 | |
| 2025-06-30 | $4,794 | 2,550 | Shares | Defined | 2025-08-15 | |
| No 13F history on record for this holder in this stock. | ||||||