Position in ATR
as of Jun 30, 2026
· filed Jul 13, 2026
Position Value
$1,055,436
-$197,202 QoQ
Shares Held
8,430
-15.2% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#15
of 59 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ATR Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Jun 30, 2026McCollum Christoferson Group LLC holds $24,097,133 across 2 Medical Instruments & Supplies names. ATR ranks #2 (4.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WST |
West Pharmaceutical Services Inc
|
64,183 | $23,041,697 | |
| 2 | ATR |
Aptargroup, Inc.
This page
|
8,430 | $1,055,436 |
All Filings in ATR
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,055,436 | 8,430 | Shares | Sole | 2026-07-13 | |
| 2026-03-31 | $1,252,638 | 9,940 | Shares | Sole | 2026-04-10 | |
| 2025-12-31 | $1,270,823 | 10,420 | Shares | Sole | 2026-01-09 | |
| 2025-09-30 | $1,392,737 | 10,420 | Shares | Sole | 2025-11-17 | |
| 2025-06-30 | $1,723,858 | 11,020 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $1,693,757 | 11,415 | Shares | Sole | 2025-05-06 | |
| 2024-12-31 | $1,793,296 | 11,415 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $1,828,568 | 11,415 | Shares | Sole | 2024-10-16 | |
| 2024-06-30 | $1,617,202 | 11,485 | Shares | Sole | 2024-07-30 | |
| 2024-03-31 | $1,783,516 | 12,395 | Shares | Sole | 2024-04-26 | |
| 2023-12-31 | $1,633,020 | 13,210 | Shares | Sole | 2024-01-19 | |
| 2023-09-30 | $1,651,778 | 13,210 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $1,579,751 | 13,635 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $1,628,658 | 13,780 | Shares | Sole | 2023-05-02 | |
| 2022-12-31 | $1,530,921 | 13,920 | Shares | Sole | 2023-02-07 | |
| 2022-09-30 | $1,359,879 | 14,310 | Shares | Sole | 2022-11-01 | |
| 2022-06-30 | $6,601,105 | 63,958 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $7,559,715 | 64,338 | Shares | Sole | 2022-05-10 | |
| 2021-12-31 | $7,852,192 | 64,110 | Shares | Sole | 2022-02-09 | |
| 2021-09-30 | $7,559,151 | 63,336 | Shares | Sole | 2021-10-13 | |
| 2021-06-30 | $8,863,202 | 62,931 | Shares | Sole | 2021-07-14 | |
| 2021-03-31 | $8,939,235 | 63,099 | Shares | Sole | 2021-04-22 | |
| 2020-12-31 | $8,590,531 | 62,755 | Shares | Sole | 2021-01-22 | |
| 2020-09-30 | $6,988,402 | 61,735 | Shares | Sole | 2020-10-22 | |
| 2020-06-30 | $6,846,569 | 61,141 | Shares | Sole | 2020-07-31 | |
| 2020-03-31 | $6,167,000 | 61,955 | Shares | Sole | 2020-04-13 | |
| No filing history on record for this holder in this stock. | ||||||