$15.92
+0.32 (+2.05%)
Market Cap
$1.4B
Shares Outstanding
83,125,000
Institutional Holders
135
Total Inst. Value
$225.6M
% of Float Held
133.7%
QoQ Holder Change
+8
Institutional data as of Q1 2025
New Positions
35
Closed Positions
19
Increased
48
Decreased
31
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | PERCEPTIVE ADVISORS LLC | $27.9M | 7,874,348 |
| 2 | TCG Crossover Management, LLC | $21.0M | 5,943,812 |
| 3 | ADAGE CAPITAL PARTNERS GP, L.L.C.New | $20.2M | 5,697,605 |
| 4 | VANGUARD GROUP INC | $14.6M | 4,116,512 |
| 5 | Nantahala Capital Management, LLC | $10.4M | 2,934,405 |
| 6 | Saturn V Capital Management LP | $8.6M | 2,426,436 |
| 7 | 683 Capital Management, LLC | $8.5M | 2,411,400 |
| 8 | BlackRock, Inc. | $8.5M | 2,387,409 |
| 9 | Almitas Capital LLC | $7.5M | 2,122,597 |
| 10 | GOLDMAN SACHS GROUP INC | $7.1M | 2,002,961 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| PERCEPTIVE ADVISORS LLC | +1.1M | $27.9M |
| TCG Crossover Management, LLC | +1.3M | $21.0M |
| ADAGE CAPITAL PARTNERS GP, L.L.C.New | +5.7M | $20.2M |
| VANGUARD GROUP INC | +1.4M | $14.6M |
| Nantahala Capital Management, LLC | +1.5M | $10.4M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| BANK OF AMERICA CORP /DE/ | -1.6M | $2.8M |
| JANE STREET GROUP, LLC | -434K | $1.2M |
| Cubist Systematic Strategies, LLC | -389K | $294K |
| ACADIAN ASSET MANAGEMENT LLC | -370K | $855K |
| Walleye Capital LLC | -268K | $888K |
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Frequently Asked Questions
How many institutional investors hold AMLX?
As of Q1 2025, 135 institutional investors report holding AMLX (Amylyx Pharmaceuticals, Inc.) in their 13F filings.
What percentage of Amylyx Pharmaceuticals, Inc. is owned by institutions?
Institutional investors hold approximately 133.7% of Amylyx Pharmaceuticals, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most AMLX?
The largest institutional holder of AMLX is PERCEPTIVE ADVISORS LLC with $27.9M in shares.
Are institutions buying or selling AMLX?
This quarter, 35 institutions opened new positions in AMLX and 19 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.