Position in PTCT
as of Jun 30, 2026
· filed Aug 7, 2026
Position Value
$1,139,088,662
+$256,892,582 QoQ
Shares Held
13,964,554
+7.8% QoQ
Ownership
16.7%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#1
of 383 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority
Sole 97%
Shared 0%
None 3%
Common Shares in PTCT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026BlackRock, Inc. holds $85,603,777,939 across 474 Biotechnology names. PTCT ranks #18 (1.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
24,109,373 | $11,975,848,839 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
9,113,506 | $5,682,635,520 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
10,907,675 | $3,283,537,392 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
13,695,790 | $2,564,947,540 | |
| 5 | MRNA |
Moderna, Inc.
|
30,599,409 | $2,142,876,602 | |
| 6 | INCY |
Incyte Corp
|
18,032,718 | $2,044,188,902 | |
| 7 | CYTK |
Cytokinetics Inc
|
20,094,362 | $1,711,838,691 | |
| 8 | ROIV |
Roivant Sciences Ltd.
|
48,236,091 | $1,707,075,250 |
All Filings in PTCT
Export CSV
8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,139,088,662 | 13,964,554 | Shares | Sole | 2026-08-07 | |
| 2026-03-31 | $882,196,080 | 12,948,717 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $970,697,771 | 12,779,065 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $437,617,616 | 7,130,807 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $365,344,292 | 7,480,432 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $395,868,334 | 7,768,217 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $356,551,869 | 7,898,801 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $296,177,197 | 7,983,213 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||