Security key
02043Q107
Alnylam Pharmaceuticals, Inc. - Common Stock (ALNY)
CUSIP: 02043Q107
Q3 2024 13F Holders as of 30 Sep 2024
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 123,754,217
- Total 13F value
- $34,035,461,284
- Share change
- +3,827,655
- Put/Call ratio
- 92%
- SEC-reported price per share
- $275.03
- Number of holders
- 559
- Value change
- +$1,116,635,795
- Number of buys
- 313
- Number of sells
- 224
- Shares outstanding
- 133,985,952
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2024
Institutions
559
Top holders
10
ALNY full security history
Ownership snapshot
Full 13F holder table
ALNYLAM PHARMACEUTICALS, INC. SEC filings
ALNYLAM PHARMACEUTICALS, INC. company facts
Broader feeds
Ownership snapshot
Top reported holders of ALNY - Alnylam Pharmaceuticals, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Capital World Investors
Disclosed value leader
Capital World Investors
Comparable rows
0/15
Latest evidence
30 Jun 2024
13F
Highest disclosed value: $3,638,104,641
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Capital World Investors has the largest disclosed position value at $3.64B.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Capital World Investors's linked filing trail.
Disclosed position value
Top 5
Capital World Investors
$3.64B
VANGUARD GROUP INC
$3.04B
BlackRock Finance, Inc.
$2.32B
WELLINGTON MANAGEMENT GROUP LLP
$1.51B
BAILLIE GIFFORD & CO
$1.47B
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Capital World Investors |
13F
Company
|
—
denominator unverified
|
$3,638,104,641
14,971,343 shares
|
— | 30 Jun 2024 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$3,039,390,054
12,507,778 shares
|
— | 30 Jun 2024 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$2,320,082,109
9,547,663 shares
|
— | 30 Jun 2024 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
—
denominator unverified
|
$1,509,146,397
6,210,479 shares
|
— | 30 Jun 2024 |
| BAILLIE GIFFORD & CO |
13F
Company
|
—
denominator unverified
|
$1,465,935,408
6,032,656 shares
|
— | 30 Jun 2024 |
| Capital International Investors |
13F
Company
|
—
denominator unverified
|
$945,651,452
3,891,059 shares
|
— | 30 Jun 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
559
Shares
123,754,217
Rows available
559
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2024 vs Q2 2024 Across Filers
Q2 2024 holders
514
Q3 2024 holders
559
Holder diff
45
| Investor | Q2 2024 Shares | Q3 2024 Shares | Share Diff | Share Chg % | Q2 2024 value | Q3 2024 value | Value change | Value Chg % |
|---|