Security key
02043Q107
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 130,175,523
- Total 13F shares
- 16,906,964
- Share change
- +268,301
- Total reported value
- $6,723,054,234
- Put/Call ratio
- 156%
- Price per share
- $397.65
- Number of holders
- 4
- Value change
- +$106,439,276
- Number of buys
- 3
- Number of sells
- 2
Report period
Q4 2025
Institutions
4
Top holders
4
02043Q107 full security history
Newer quarter: Q1 2026
Previous quarter: Q3 2024
ALNYLAM PHARMACEUTICALS, INC. SEC filings
Broader feeds
Reporting periods
Holder history for CUSIP 02043Q107
Recent filing periods:
Top shareholders of 02043Q107 - Alnylam Pharmaceuticals Inc - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: 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.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13D/G
|
The Vanguard Group |
10%
|
13,056,605
|
— | $0 | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.4%
|
3,081,475
|
$1,405,152,600 | — | 30 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.17%
|
221,843
|
$101,160,408 | — | 30 Sep 2025 | |
| Bridgewater Associates, LP |
13F
|
Company |
0.03%
|
33,911
|
$15,463,416 | — | 30 Sep 2025 | |
| SOROS FUND MANAGEMENT LLC |
13F
|
Company |
0%
|
4,295
|
$1,958,520 | — | 30 Sep 2025 |
Institutional Holders of Alnylam Pharmaceuticals Inc - Common Stock as of Q4 2025
As of 31 Dec 2025,
Alnylam Pharmaceuticals Inc - Common Stock was held by
4 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
16,906,964 shares.
The largest 4 holders included
VANGUARD GROUP INC, STATE STREET CORP, Bridgewater Associates, LP, and CITADEL ADVISORS LLC.
This page lists
4
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2024 Across Filers
Q3 2024 holders
1
Q4 2025 holders
4
Holder diff
3
| Investor | Q3 2024 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2024 Value $ | Q4 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.