Position in IMCR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$154,616,086
+$7,791,677 QoQ
Shares Held
4,869,798
0.0% QoQ
Ownership
9.46%
of shares outstanding
% of Portfolio
1.32%
of 13F equity value
Holder Rank
#2
of 136 holders
Holding Since
Mar 2021
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IMCR Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026RTW INVESTMENTS, LP holds $9,530,420,260 across 63 Biotechnology names. IMCR ranks #21 (1.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
1,993,687 | $1,070,510,234 | |
| 2 | ARGX |
Argenx SE
|
709,446 | $658,202,715 | |
| 3 | PTCT |
Ptc Therapeutics, Inc.
|
7,746,415 | $631,875,071 | |
| 4 | PTGX |
Protagonist Therapeutics, Inc
|
5,061,175 | $620,398,831 | |
| 5 | CGON |
CG Oncology, Inc.
|
8,514,590 | $604,961,619 | |
| 6 | INSM |
INSMED Inc
|
4,842,880 | $516,347,865 | |
| 7 | TNGX |
Tango Therapeutics, Inc.
|
13,900,620 | $434,533,381 | |
| 8 | SYRE |
Spyre Therapeutics, Inc.
|
4,251,996 | $377,492,204 |
All Filings in IMCR
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $154,616,086 | 4,869,798 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $146,824,409 | 4,869,798 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $169,030,688 | 4,869,798 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $176,919,761 | 4,869,798 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $152,814,261 | 4,869,798 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $144,486,906 | 4,869,798 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $143,659,041 | 4,869,798 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $151,596,811 | 4,869,798 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $165,037,454 | 4,869,798 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $391,276,665 | 6,019,641 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $416,505,159 | 6,096,387 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $316,402,485 | 6,096,387 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $361,536,794 | 6,029,633 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $279,333,181 | 5,649,943 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $317,270,506 | 5,559,322 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $208,952,612 | 4,451,483 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $149,096,505 | 3,996,154 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $55,598,182 | 1,859,471 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $42,647,015 | 1,245,532 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $46,171,871 | 1,245,532 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $48,638,024 | 1,245,532 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $53,022,297 | 1,245,532 | Shares | Sole | 2021-05-14 | |
| No filing history on record for this holder in this stock. | ||||||