Security key
03237H101
Amylyx Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (AMLX)
CUSIP: 03237H101
Q3 2022 13F Holders as of 30 Sep 2022
- Security type / class
- Equity / Common Stock, $0.0001 par value per share
- Total 13F shares
- 36,858,311
- Total 13F value
- $1,037,561,470
- Share change
- +10,456,035
- Put/Call ratio
- 59%
- SEC-reported price per share
- $28.15
- Number of holders
- 90
- Value change
- +$315,174,073
- Number of buys
- 66
- Number of sells
- 31
- Shares outstanding
- 110,465,093
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 2022
Institutions
90
Top holders
10
AMLX full security history
Ownership snapshot
Full 13F holder table
Amylyx Pharmaceuticals, Inc. SEC filings
Amylyx Pharmaceuticals, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of AMLX - Amylyx Pharmaceuticals, Inc. - Common Stock, $0.0001 par value per share (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
VIKING GLOBAL INVESTORS LP
Disclosed value leader
VIKING GLOBAL INVESTORS LP
Comparable rows
0/15
Latest evidence
06 Jul 2022
13F
3/4/5
Highest disclosed value: $138,105,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
VIKING GLOBAL INVESTORS LP has the largest disclosed position value at $138.1M.
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 VIKING GLOBAL INVESTORS LP's linked filing trail.
Disclosed position value
Top 5
VIKING GLOBAL INVESTORS LP
$138.1M
ALS Invest 1 B.V.
$96.26M
DRAGSA 96 LLC
$37.55M
PERCEPTIVE ADVISORS LLC
$68.19M
Boxer Capital, LLC
$42.37M
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 |
|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP |
13F
3/4/5
Company · 10%+ Owner
|
—
denominator unverified
|
$138,105,000
7,170,536 shares
|
— | 30 Jun 2022 |
| ALS Invest 1 B.V. |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$96,258,721
5,895,280 shares
|
— | 06 Jul 2022 |
| DRAGSA 96 LLC |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$37,554,630
2,300,000 shares
|
— | 11 Jan 2022 |
| PERCEPTIVE ADVISORS LLC |
13F
Company
|
—
denominator unverified
|
$68,188,000
3,540,408 shares
|
— | 30 Jun 2022 |
| Boxer Capital, LLC |
13F
Company
|
—
denominator unverified
|
$42,372,000
2,200,000 shares
|
— | 30 Jun 2022 |
| Bain Capital Life Sciences Investors, LLC |
13F
Company
|
—
denominator unverified
|
$37,523,000
1,948,214 shares
|
— | 30 Jun 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 Q3 2022
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
90
Shares
36,858,311
Rows available
90
| 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 2022 vs Q2 2022 Across Filers
Q2 2022 holders
74
Q3 2022 holders
90
Holder diff
16
| Investor | Q2 2022 Shares | Q3 2022 Shares | Share Diff | Share Chg % | Q2 2022 value | Q3 2022 value | Value change | Value Chg % |
|---|