Security key
02043Q107
ALNYLAM PHARMACEUTICALS, INC. - COMMON STOCK (ALNY)
CUSIP: 02043Q107
Q4 2022 13F Holders as of 31 Dec 2022
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 119,654,959
- Total 13F value
- $28,425,215,078
- Share change
- -13,407,340
- Put/Call ratio
- 53%
- SEC-reported price per share
- $237.65
- Number of holders
- 477
- Value change
- -$3,086,850,614
- Number of buys
- 241
- Number of sells
- 224
- Shares outstanding
- 133,421,610
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
Q4 2022
Institutions
477
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
Nuveen Asset Management, LLC
Disclosed value leader
Nuveen Asset Management, LLC
Comparable rows
0/15
Latest evidence
30 Sep 2022
13F
Highest disclosed value: $3,321,309,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Nuveen Asset Management, LLC has the largest disclosed position value at $3.32B.
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 Nuveen Asset Management, LLC's linked filing trail.
Disclosed position value
Top 5
Nuveen Asset Management, LLC
$3.32B
Capital World Investors
$2.79B
VANGUARD GROUP INC
$2.21B
BAILLIE GIFFORD & CO
$1.9B
BlackRock Finance, Inc.
$1.53B
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 |
|---|---|---|---|---|---|
| Nuveen Asset Management, LLC |
13F
Company
|
—
denominator unverified
|
$3,321,309,000
16,593,268 shares
|
— | 30 Sep 2022 |
| Capital World Investors |
13F
Company
|
—
denominator unverified
|
$2,792,252,000
13,949,647 shares
|
— | 30 Sep 2022 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$2,212,429,000
11,053,308 shares
|
— | 30 Sep 2022 |
| BAILLIE GIFFORD & CO |
13F
Company
|
—
denominator unverified
|
$1,904,474,000
9,514,758 shares
|
— | 30 Sep 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$1,534,961,000
7,668,678 shares
|
— | 30 Sep 2022 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
—
denominator unverified
|
$1,191,811,000
5,954,293 shares
|
— | 30 Sep 2022 |
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 Q4 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
477
Shares
119,654,959
Rows available
477
| 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 Q4 2022 vs Q3 2022 Across Filers
Q3 2022 holders
479
Q4 2022 holders
477
Holder diff
-2
| Investor | Q3 2022 Shares | Q4 2022 Shares | Share Diff | Share Chg % | Q3 2022 value | Q4 2022 value | Value change | Value Chg % |
|---|