Tower Research Capital LLC (TRC)
Position in ALNY — Alnylam Pharmaceuticals, Inc.
CIK 1533421
NEW YORK, NY
Position in ALNY
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$3,185,285
+$862,613 QoQ
Shares Held
9,627
+64.8% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in ALNY Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Tower Research Capital LLC (TRC) holds $67,029,195 across 432 Biotechnology names. ALNY ranks #4 (4.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
12,112 | $8,844,787 | |
| 2 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
13,904 | $6,208,692 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
4,378 | $3,382,617 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
This page
|
9,627 | $3,185,285 | |
| 5 | INSM |
INSMED Inc
|
15,410 | $2,519,843 | |
| 6 | LKFT |
Lakefront Biotherapeutics NV
|
66,536 | $1,996,080 | |
| 7 | MRNA |
Moderna, Inc.
|
33,728 | $1,713,382 | |
| 8 | BBIO |
BridgeBio Pharma, Inc.
|
14,349 | $1,065,556 |
All Filings in ALNY
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,185,285 | 9,627 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $2,322,672 | 5,841 | Shares | Other | 2026-02-17 | |
| 2025-09-30 | $700,872 | 1,537 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $20,868 | 64 | Shares | Defined | 2025-08-15 | |
| 2025-03-31 | $373,437 | 1,383 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $1,266,202 | 5,381 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $148,790 | 541 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $236,439 | 973 | Shares | Other | 2024-08-13 | |
| 2024-03-31 | $259,295 | 1,735 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $1,277,086 | 6,672 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $901,438 | 5,090 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $1,817,914 | 9,571 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $135,416 | 676 | Shares | Other | 2023-05-09 | |
| 2022-12-31 | $307,993 | 1,296 | Shares | Other | 2023-02-10 | |
| 2022-09-30 | $574,258 | 2,869 | Shares | Other | 2022-11-10 | |
| 2022-06-30 | $1,993,768 | 13,670 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $2,308,103 | 14,135 | Shares | Other | 2022-05-12 | |
| 2021-12-31 | $1,141,442 | 6,731 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $169,173 | 896 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $352,262 | 2,078 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $181,428 | 1,285 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $1,066,013 | 8,202 | Shares | Other | 2021-02-16 | |
| 2020-09-30 | $630,156 | 4,328 | Shares | Other | 2020-11-16 | |
| 2020-06-30 | $212,834 | 1,437 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $2,721 | 25 | Shares | Other | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||