Robeco Institutional Asset Management B.V.
Position in ALNY — Alnylam Pharmaceuticals, Inc.
CIK 1418773
ROTTERDAM, P7
Position in ALNY
as of Jun 30, 2026
· filed Jul 21, 2026
Position Value
$56,618,926
+$14,776,114 QoQ
Shares Held
188,084
+48.7% QoQ
Ownership
0.141%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#77
of 784 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 63%
Shared 0%
None 37%
Common Shares in ALNY Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Robeco Institutional Asset Management B.V. holds $992,672,242 across 15 Biotechnology names. ALNY ranks #4 (5.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
|
460,602 | $287,203,771 | |
| 2 | INCY |
Incyte Corp
|
2,441,735 | $276,795,079 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
404,396 | $200,875,625 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
This page
|
188,084 | $56,618,926 | |
| 5 | EXEL |
Exelixis, Inc.
|
1,029,819 | $56,032,451 | |
| 6 | RPRX |
Royalty Pharma plc
|
911,586 | $51,112,627 | |
| 7 | JAZZ |
Jazz Pharmaceuticals plc
|
117,612 | $28,340,963 | |
| 8 | BMRN |
Biomarin Pharmaceutical Inc
|
408,215 | $23,358,062 |
All Filings in ALNY
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $56,618,926 | 188,084 | Shares | Defined | 2026-07-21 | |
| 2026-03-31 | $41,842,812 | 126,463 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $57,548,305 | 144,721 | Shares | Defined | 2026-01-23 | |
| 2025-09-30 | $51,561,744 | 113,074 | Shares | Defined | 2025-10-22 | |
| 2025-06-30 | $31,424,641 | 96,368 | Shares | Defined | 2025-07-18 | |
| 2025-03-31 | $27,941,939 | 103,481 | Shares | Defined | 2025-04-23 | |
| 2024-12-31 | $23,529,588 | 99,994 | Shares | Defined | 2025-01-23 | |
| 2024-09-30 | $20,233,407 | 73,568 | Shares | Defined | 2024-10-29 | |
| 2024-06-30 | $12,069,810 | 49,670 | Shares | Defined | 2024-07-23 | |
| 2024-03-31 | $4,310,138 | 28,840 | Shares | Defined | 2024-04-24 | |
| 2023-12-31 | $4,619,680 | 24,135 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $1,423,175 | 8,036 | Shares | Defined | 2023-10-24 | |
| 2023-06-30 | $5,155,541 | 27,143 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $10,568,482 | 52,758 | Shares | Defined | 2023-05-04 | |
| 2022-12-31 | $12,354,710 | 51,987 | Shares | Defined | 2023-02-07 | |
| 2022-09-30 | $7,878,097 | 39,359 | Shares | Defined | 2022-12-01 | |
| 2022-06-30 | $351,644 | 2,411 | Shares | Defined | 2022-12-01 | |
| 2022-03-31 | $488,237 | 2,990 | Shares | Defined | 2022-12-01 | |
| 2021-12-31 | $6,613 | 39 | Shares | Defined | 2022-12-01 | |
| 2021-06-30 | $610,611 | 3,602 | Shares | Defined | 2022-12-01 | |
| 2021-03-31 | $1,243,883 | 8,810 | Shares | Defined | 2022-12-01 | |
| 2020-12-31 | $1,852,592 | 14,254 | Shares | Defined | 2022-12-01 | |
| 2020-09-30 | $5,074,596 | 34,853 | Shares | Defined | 2021-01-19 | |
| 2020-06-30 | $8,943,918 | 60,387 | Shares | Defined | 2021-01-19 | |
| 2020-03-31 | $273,975 | 2,517 | Shares | Defined | 2021-01-19 | |
| No filing history on record for this holder in this stock. | ||||||