Tower Research Capital (TRC)’s ProPhase Labs PRPH Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | – | Sell |
-163
| Closed | -$73 | – | 5462 |
|
|
2025
Q4 | $73 | Buy |
+163
| New | +$459 | ﹤0.01% | 5061 |
|
|
2025
Q1 | – | Sell |
-12
| Closed | -$88 | – | 5657 |
|
|
2024
Q4 | $88 | Buy |
+12
| New | +$168 | ﹤0.01% | 5482 |
|
|
2024
Q2 | – | Sell |
-1,057
| Closed | -$68.4K | – | 5942 |
|
|
2024
Q1 | $68.4K | Sell |
1,057
-444
| -30% | -$22.5K | ﹤0.01% | 2068 |
|
|
2023
Q4 | $67.8K | Buy |
1,501
+503
| +50% | +$22.9K | ﹤0.01% | 2931 |
|
|
2023
Q3 | $43.6K | Buy |
998
+425
| +74% | +$24.9K | ﹤0.01% | 2662 |
|
|
2023
Q2 | $41.6K | Buy |
+573
| New | +$46.6K | ﹤0.01% | 2736 |
|
|
2023
Q1 | – | Sell |
-593
| Closed | -$57K | – | 6185 |
|
|
2022
Q4 | $57K | Buy |
+593
| New | +$64.1K | ﹤0.01% | 2257 |
|
|
2022
Q2 | – | Sell |
-114
| Closed | -$8K | – | 6433 |
|
|
2022
Q1 | $8K | Buy |
114
+77
| +208% | +$5.35K | ﹤0.01% | 4608 |
|
|
2021
Q4 | $3K | Buy |
+37
| New | +$2.3K | ﹤0.01% | 5478 |
|
|
2021
Q3 | – | Sell |
-147
| Closed | -$9K | – | 6077 |
|
|
2021
Q2 | $9K | Sell |
147
-91
| -38% | -$5.11K | ﹤0.01% | 4446 |
|
|
2021
Q1 | $17K | Sell |
238
-59
| -20% | -$5.66K | ﹤0.01% | 4014 |
|
|
2020
Q4 | $28K | Buy |
+297
| New | +$24.9K | ﹤0.01% | 3628 |
|
|
2020
Q2 | – | Sell |
-7
| Closed | – | – | 4935 |
|
|
2020
Q1 | $0 | Sell |
7
-5
| -42% | -$93 | ﹤0.01% | 3710 |
|
|
2019
Q4 | $0 | Buy |
+12
| New | +$235 | ﹤0.01% | 4199 |
|
|
2016
Q3 | – | Sell |
-47
| Closed | -$1K | – | 4259 |
|
|
2016
Q2 | $1K | Buy |
47
+37
| +370% | +$499 | ﹤0.01% | 4196 |
|
|
2016
Q1 | $0 | Sell |
10
-104
| -91% | -$1.3K | ﹤0.01% | 4753 |
|
|
2015
Q4 | $2K | Sell |
114
-793
| -87% | -$11.5K | ﹤0.01% | 3787 |
|
|
2015
Q3 | $14K | Buy |
907
+589
| +185% | +$8.83K | ﹤0.01% | 2037 |
|
|
2015
Q2 | $4K | Buy |
318
+270
| +563% | +$3.62K | ﹤0.01% | 3394 |
|
|
2015
Q1 | $1K | Buy |
48
+44
| +1,100% | +$648 | ﹤0.01% | 4109 |
|
|
2014
Q4 | $0 | Sell |
4
-54
| -93% | -$747 | ﹤0.01% | 4549 |
|
|
2014
Q3 | $1K | Buy |
58
+34
| +142% | +$529 | ﹤0.01% | 4135 |
|
|
2014
Q2 | $0 | Buy |
+24
| New | +$444 | ﹤0.01% | 4514 |
|
|
2014
Q1 | – | Sell |
-60
| Closed | -$1K | – | 4820 |
|
|
2013
Q4 | $1K | Buy |
60
+32
| +114% | +$576 | ﹤0.01% | 4243 |
|
|
2013
Q3 | $1K | Buy |
28
+18
| +180% | +$302 | ﹤0.01% | 4337 |
|
|
2013
Q2 | $0 | Buy |
+10
| New | +$156 | ﹤0.01% | 3965 |
|
Other funds holding PRPH
Tower Research Capital (TRC)'s PRPH Position: Q1 2026 in Review
Tower Research Capital (TRC) sold out of ProPhase Labs (PRPH) in Q1 2026, closing a stake of 163 shares — an estimated $73 sold.
Tower Research Capital (TRC) first reported a position in PRPH in Q2 2013 and held it in 26 quarters. The position peaked at $68.4K in Q1 2024. 2 funds tracked by Wall St. Rank hold PRPH as of Q1 2026.
- Tower Research Capital (TRC) reported no remaining ProPhase Labs position as of Q1 2026 after selling out during the quarter.
- Tower Research Capital (TRC) sold 163 ProPhase Labs shares in Q1 2026, an estimated $73.
- Tower Research Capital (TRC) first reported a position in ProPhase Labs in Q2 2013 and held it in 26 quarters.
- Tower Research Capital (TRC)'s ProPhase Labs position peaked at $68.4K in Q1 2024.
- 2 funds tracked by Wall St. Rank held ProPhase Labs as of Q1 2026.
Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.