Position in CRSP
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$46,054,181
-$1,106,735 QoQ
Shares Held
968,135
+7.7% QoQ
Ownership
1.00%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
20 quarters on record
Voting authority
Sole 93%
Shared 0%
None 7%
Common Shares in CRSP Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026LOOMIS SAYLES & CO L P holds $4,031,464,727 across 23 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,920,953 | $1,947,654,982 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,859,172 | $1,159,268,108 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
580,187 | $174,653,692 | |
| 4 | LGND |
Ligand Pharmaceuticals Inc
|
291,805 | $92,236,641 | |
| 5 | AXSM |
Axsome Therapeutics, Inc.
|
239,490 | $58,619,966 | |
| 6 | VCEL |
Vericel Corp
|
1,200,239 | $53,398,633 | |
| 7 | MIRM |
Mirum Pharmaceuticals, Inc.
|
443,636 | $51,936,466 | |
| 8 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
434,102 | $48,198,345 |
All Filings in CRSP
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $46,054,181 | 968,135 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $47,160,916 | 899,331 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $58,958,564 | 909,714 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $41,678,982 | 856,887 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $30,960,221 | 909,792 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $35,855,581 | 910,965 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $44,408,643 | 945,267 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $54,345,563 | 1,006,213 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $69,880,562 | 1,025,243 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $66,816,171 | 1,067,351 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $49,763,508 | 1,096,354 | Shares | Defined | 2023-11-09 | |
| 2023-06-30 | $64,444,733 | 1,147,929 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $52,322,515 | 1,156,810 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $48,305,248 | 1,188,321 | Shares | Defined | 2023-02-10 | |
| 2022-09-30 | $81,373,753 | 1,245,199 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $84,850,598 | 1,396,258 | Shares | Defined | 2022-08-05 | |
| 2022-03-31 | $81,030,106 | 1,290,905 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $99,735,800 | 1,316,123 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $103,637,553 | 925,914 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $147,101,671 | 908,652 | Shares | Defined | 2021-08-13 | |
| No filing history on record for this holder in this stock. | ||||||