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SEI INVESTMENTS CO

Position in ATR — Aptargroup, Inc.

CIK 350894 OAKS, PA

Position in ATR

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$11,536,373
+$1,310,883 QoQ
Shares Held
91,544
+9.2% QoQ
Ownership
0.143%
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, 2026

SEI INVESTMENTS CO holds $956,851,904 across 34 Medical Instruments & Supplies names. ATR ranks #16 (1.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ATR

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $11,536,373 91,544
2025-12-31 $10,225,490 83,843
2025-09-30 $13,452,877 100,650
2025-06-30 $19,439,712 124,271
2025-03-31 $16,224,313 109,343
2024-12-31 $16,473,034 104,857
2024-09-30 $16,849,423 105,184
2024-06-30 $13,930,895 98,934
2024-03-31 $13,685,089 95,108
2023-12-31 $12,360,144 99,985
2023-09-30 $12,921,757 103,341
2023-06-30 $10,968,465 94,670
2023-03-31 $15,067,924 127,489
2022-12-31 $10,838,638 98,551
2022-09-30 $15,665,124 164,844
2022-06-30 $17,351,045 168,114
2022-03-31 $14,428,647 122,797
2021-12-31 $14,980,895 122,313
2021-09-30 $15,274,769 127,983
2021-06-30 $18,864,812 133,945
2021-03-31 $19,475,232 137,469
2020-12-31 $17,675,509 129,122
2020-09-30 $14,806,446 130,799
2020-06-30 $15,820,422 141,279
2020-03-31 $11,949,676 120,049