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ATAT · Atour Lifestyle Holdings Ltd

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$35.50 +0.81 (+2.33%) At close · Aug 28
Market Cap
$4.91B
Shares
138.19M

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: 182
Total Value: $2,491,116,721
Total Shares: 78,337,007
Showing 1–100 of 185 holdings by value · page 1 of 2

Institutional Ownership Trend

15 quarters

Holder Concentration

Across 182 13F filers · Δ vs Mar 31, 2026
Top Holder
9.8%
Sep 2023 → Jun 2026 · range 9.8% – 26.8%
−0.9 pts
Top 5
31.7%
Sep 2023 → Jun 2026 · range 31.7% – 63.1%
−0.5 pts
Top 10
49.7%
Sep 2023 → Jun 2026 · range 49.7% – 78.1%
−0.5 pts
HHI
340
Sep 2023 → Jun 2026 · range 340 – 1,135
Broadly held−16

Quarterly Activity

vs Mar 31, 2026
New
27
Increased
77
Decreased
65
Sold Out
31
Unchanged
13
Holder count: -4
Institutional value: -10.5%
Shares held: +3.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 185
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1853717 CUSIP 04965M106 13F (30d) 158 filings 157 filers Visit website Investor relations