Position in ATR
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$374,531
+$58,655 QoQ
Shares Held
2,972
+14.7% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ATR Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026Tower Research Capital LLC (TRC) holds $14,901,520 across 45 Medical Instruments & Supplies names. ATR ranks #7 (2.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
15,627 | $7,203,890 | |
| 2 | ALC |
Alcon Inc
|
20,124 | $1,516,342 | |
| 3 | HOLX |
HOLOGIC INC
|
11,605 | $877,221 | |
| 4 | RMD |
Resmed Inc
|
2,694 | $604,749 | |
| 5 | BDX |
Becton Dickinson & Co
|
3,781 | $594,486 | |
| 6 | RGEN |
Repligen Corp
|
3,871 | $456,081 | |
| 7 | ATR |
Aptargroup, Inc.
This page
|
2,972 | $374,531 | |
| 8 | ICUI |
Icu Medical Inc/De
|
2,807 | $362,523 |
All Filings in ATR
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $374,531 | 2,972 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $315,876 | 2,590 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $381,064 | 2,851 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $254,511 | 1,627 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $395,729 | 2,667 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $575,613 | 3,664 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $216,256 | 1,350 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $573,096 | 4,070 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $428,072 | 2,975 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $1,252,888 | 10,135 | Shares | Other | 2024-02-13 | |
| 2023-09-30 | $339,233 | 2,713 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $590,653 | 5,098 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $247,134 | 2,091 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $157,270 | 1,430 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $569,229 | 5,990 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $294,148 | 2,850 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $658,234 | 5,602 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $2,168,507 | 17,705 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $248,606 | 2,083 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $953,909 | 6,773 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $452,210 | 3,192 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $2,212,963 | 16,166 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $3,010,553 | 26,595 | Shares | Other | 2020-11-16 | |
| 2020-06-30 | $1,728,859 | 15,439 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $176,285 | 1,771 | Shares | Other | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||