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LOOMIS SAYLES & CO L P

Position in COLL — Collegium Pharmaceutical, Inc

CIK 312348 BOSTON, MA

Position in COLL

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$13,212,963
+$789,689 QoQ
Shares Held
364,999
-2.8% QoQ
Ownership
1.12%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#25
of 277 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority Sole 92% Shared 0% None 8%

Common Shares in COLL Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - Specialty & Generic

Healthcare · as of Jun 30, 2026

LOOMIS SAYLES & CO L P holds $224,982,288 across 8 Drug Manufacturers - Specialty & Generic names. COLL ranks #6 (5.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 COLL
Collegium Pharmaceutical, Inc
This page
364,999 $13,212,963

All Filings in COLL

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13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $13,212,963 364,999
2026-03-31 $12,423,274 375,666
2025-12-31 $15,397,944 332,569
2025-09-30 $11,122,620 317,880
2025-06-30 $9,969,140 337,137
2025-03-31 $5,593,024 187,371
2024-12-31 $3,122 109
2024-09-30 $737,058 19,075
2024-06-30 $6,482,149 201,309
2024-03-31 $10,557,176 271,952
2023-12-31 $8,499,250 276,129
2023-09-30 $6,115,585 273,628
2023-06-30 $4,431,000 206,189