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SNY

Sanofi

Company with tickers: SNY, SNYNF

CIK
1121404
CUSIP
80105N105
Shares Outstanding
2,393,769,026
13F Activity (30d)
350 filings 320 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: 742
Total Value: $10,270,411,999
Total Shares: 213,167,548
Showing 1–100 of 753 holdings by value · page 1 of 8

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 742 13F filers · Δ vs Dec 31, 2025
Top Holder
13.8%
Jun 2023 → Mar 2026 · range 9.0% – 31.4%
−11.1 pts
Top 5
32.9%
Jun 2023 → Mar 2026 · range 29.6% – 55.2%
−8.2 pts
Top 10
46.0%
Jun 2023 → Mar 2026 · range 42.6% – 68.6%
−6.0 pts
HHI
369
Jun 2023 → Mar 2026 · range 284 – 1,185
Broadly held−381

Quarterly Activity

vs Dec 31, 2025
New
106
Increased
298
Decreased
216
Sold Out
119
Unchanged
122
Holder count: -13
Institutional value: -6.6%
Shares held: -6.0%

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 753
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Holder Value (USD) % of 13F Shares Open