LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA AMLX — AMYLYX PHARMACEUTICALS INC

Ownership history in LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA  ·  14 quarters on record

AI Ownership Summary

LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA reported AMYLYX PHARMACEUTICALS INC (AMLX) in 14 quarterly 13F filings from 2024 Q1 through 2026 Q2. The latest visible filing shows AMLX at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this AMLX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA's position in AMYLYX PHARMACEUTICALS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

AMLX was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2026 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q1 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

AMLX stock page LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA fund profile LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA full holdings
How LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA held AMLX — position size vs. price
% of Fund (quarterly)    AMLX price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 UNCHANGED — — — 1,803 — 0% 0.00% $32K 2026-07-30 $20.75
2026 Q1 UNCHANGED — — — 1,803 — 0% 0.00% $29K 2026-04-13 $16.47
2025 Q4 UNCHANGED — — — 1,803 — 0% 0.00% $28K 2026-01-28 $14.51
2025 Q3 UNCHANGED — — — 1,803 — 0% 0.00% $26K 2025-10-24 $14.17
2025 Q2 UNCHANGED — — — 1,803 — 0% 0.00% $12K 2025-07-30 $7.97
2025 Q1 UNCHANGED — — — 1,803 — 0% 0.00% $9K 2025-04-24 $5.24
2024 Q4 UNCHANGED — — — 1,803 — 0% 0.00% $6K 2025-01-28 $3.45
2024 Q3 UNCHANGED — — — 1,803 — 0% 0.00% $9K 2024-10-25 $5.31
2024 Q2 UNCHANGED — — — 1,803 — 0% 0.00% $4K 2024-07-17 $2.12
2024 Q1 UNCHANGED — — — 1,803 — 0% 0.00% $4K 2024-04-23 $1.95
4 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding AMLX

As of 2026 Q2 — sorted by position size

MOODY ALDRICH PARTNERS LLC 3Y 7Y 0.19% FOX RUN MANAGEMENT, L.L.C. 3Y 7Y 0.13% PSP Research LLC 0.1% Campbell & CO Investment Adviser LLC 3Y 7Y 0.1% iA Global Asset Management Inc. 0.06% GSA CAPITAL PARTNERS LLP 3Y 7Y 0.04% Premier Path Wealth Partners, LLC 0.04% China Universal Asset Management Co., Ltd. 3Y 0.02% Aberdeen Group plc 3Y 7Y 0.02% PARSONS CAPITAL MANAGEMENT INC/RI 3Y 7Y 0.02%

FAQ About LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA and AMLX

These are the practical questions this page is built to answer before you even open the full history table.

How long has LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA reported owning AMLX?

LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA reported AMLX across 10 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported AMLX position in LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA's portfolio?

The largest reported portfolio weight for AMLX was 0.00% in 2026 Q2.

What is the latest reported AMLX position on this page?

The most recent filing on this page is 2026 Q2, when LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA reported 1,803 shares, equal to 0.00% of portfolio, with an estimated market value of $32K.

What does the chart on this AMLX ownership page compare?

The chart compares LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA's quarterly AMLX portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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