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FOLD

AMICUS THERAPEUTICS, INC.

Company with tickers: FOLD

CIK
1178879
CUSIP
03152W109
Shares Outstanding
314,000,712
13F Activity (30d)
227 filings 201 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 297
Total Value: $4,812,693,905
Total Shares: 332,828,083
Showing 1–100 of 307 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 297 13F filers · Δ vs Dec 31, 2025
Top Holder
10.2%
Jun 2023 → Mar 2026 · range 8.7% – 10.5%
+0.1 pts
Top 5
27.6%
Jun 2023 → Mar 2026 · range 27.6% – 41.8%
−4.5 pts
Top 10
45.2%
Jun 2023 → Mar 2026 · range 44.8% – 61.0%
+0.3 pts
HHI
307
Jun 2023 → Mar 2026 · range 307 – 477
Broadly held−15

Quarterly Activity

vs Dec 31, 2025
New
53
Increased
108
Decreased
91
Sold Out
89
Unchanged
45
Holder count: -36
Institutional value: +4.5%
Shares held: +2.9%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 307
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Holder Value (USD) % of 13F Shares Open