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Equibles

Holocene Advisors, LP

Position in ATR — Aptargroup, Inc.

CIK 1700574 New York, NY
Back to ATR Full portfolio

Position in ATR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$7,127,886
+$2,357,147 QoQ
Shares Held
56,932
+50.4% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#113
of 554 holders
Holding Since
Jun 2020
16 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, 2026

Holocene Advisors, LP holds $848,642,556 across 9 Medical Instruments & Supplies names. ATR ranks #7 (0.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 ISRG
Intuitive Surgical Inc
 781,465 $310,773,001
2 RGEN
Repligen Corp
 1,292,191 $176,306,540
3 TFX
Teleflex Inc
 886,281 $112,344,979
4 WST
West Pharmaceutical Services Inc
 275,421 $98,876,139
5 COO
Cooper Companies, Inc.
 1,080,677 $77,495,347
6 BAX
Baxter International Inc
 2,666,396 $56,847,562
7 ATR
Aptargroup, Inc.
This page 		56,932 $7,127,886
8 MMSI
Merit Medical Systems Inc
 65,406 $4,535,252

All Filings in ATR

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $7,127,886 56,932
2026-03-31 $4,770,739 37,857
2025-12-31 $2,379,561 19,511
2025-09-30 $3,199,686 23,939
2025-06-30 $1,956,939 12,510
2025-03-31 $363,827 2,452
2022-09-30 $3,621,023 38,104
2022-06-30 $4,956,350 48,022
2022-03-31 $5,871,945 49,974
2021-12-31 $5,342,087 43,616
2021-09-30 $4,152,783 34,795
2021-06-30 $2,284,988 16,224
2021-03-31 $3,026,921 21,366
2020-12-31 $1,628,854 11,899
2020-09-30 $695,274 6,142
2020-06-30 $1,176,909 10,510