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AVTR · Avantor, Inc.

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$14.26 -0.20 (-1.38%) At close · Aug 24
Market Cap
$9.87B
Shares
682.76M

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: 456
Total Value: $6,912,385,407
Total Shares: 698,848,373

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 456 13F filers · Δ vs Mar 31, 2026
Top Holder
17.2%
Sep 2023 → Jun 2026 · range 10.8% – 18.4%
−1.2 pts
Top 5
39.7%
Sep 2023 → Jun 2026 · range 34.4% – 48.2%
−0.7 pts
Top 10
53.4%
Sep 2023 → Jun 2026 · range 48.0% – 60.7%
−1.5 pts
HHI
531
Sep 2023 → Jun 2026 · range 357 – 624
Broadly held−42

Quarterly Activity

vs Mar 31, 2026
New
106
Increased
184
Decreased
107
Sold Out
72
Unchanged
59
Holder count: +34
Institutional value: +35.2%
Shares held: +7.2%

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 465
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1722482 CUSIP 05352A100 13F (30d) 415 filings 384 filers Visit website Investor relations