Position in PTCT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$48,132,336
+$6,087,883 QoQ
Shares Held
590,074
-4.4% QoQ
Ownership
0.707%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#41
of 382 holders
Holding Since
Mar 2020
7 quarters on record
Voting authority
Sole 84%
Shared 0%
None 16%
Common Shares in PTCT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026LORD, ABBETT & CO. LLC holds $1,234,584,311 across 31 Biotechnology names. PTCT ranks #8 (3.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
281,500 | $151,151,425 | |
| 2 | RVMD |
Revolution Medicines, Inc.
|
789,241 | $147,809,054 | |
| 3 | COGT |
Cogent Biosciences, Inc.
|
3,431,030 | $132,780,861 | |
| 4 | ARGX |
Argenx SE
|
108,253 | $100,433,885 | |
| 5 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
166,581 | $82,745,780 | |
| 6 | MIRM |
Mirum Pharmaceuticals, Inc.
|
540,977 | $63,332,177 | |
| 7 | PTGX |
Protagonist Therapeutics, Inc
|
398,994 | $48,908,684 | |
| 8 | PTCT |
Ptc Therapeutics, Inc.
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|
590,074 | $48,132,336 |
All Filings in PTCT
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7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $48,132,336 | 590,074 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $42,044,453 | 617,121 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $47,634,971 | 627,106 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $23,201,111 | 378,053 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $18,776,391 | 384,447 | Shares | Sole | 2025-08-14 | |
| 2020-06-30 | $11,985,396 | 236,212 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $11,206,344 | 251,207 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||