AVTRAvantor, Inc.

$15.67+25% 1Y

Who owns AVTR

457 institutions reported holding AVTR for 2026Q2, together 103% of the company, more than the 426 a quarter earlier.

457

Institutions reporting a position · as of 2026Q2 · up from 426 the quarter before

Shares held by institutions
699.1M

Shares held by institutions · 103% of the company · long US equity positions only, as reported on Form 13F

Reported value
$6.93B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
45%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
29
New positions
101
Positions exited
68
Added to
173
Reduced
110
Top 10 holdersof the company
58%
Shares sold shortsettled Sep 15, 2026
51.4M
Short interestof shares outstanding
7.6%
Days to coverat the average daily volume
6.2
Change in the short positionsince the Aug 31, 2026 count
+2.3%
Institutional ownership by quarter, 2019Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2457699.1M$6.93B
2026Q1426675.5M$5.30B
2025Q4414691.9M$7.95B
2025Q3460675.9M$8.43B
2025Q2499707.0M$9.52B
2025Q1480689.6M$11.2B
2024Q4488683.5M$14.4B
2024Q3512683.1M$17.6B
2024Q2507648.5M$13.7B
2024Q1489643.2M$16.4B
2023Q4465643.4M$14.8B
2023Q3430627.1M$13.2B
2023Q2436610.3M$12.5B
2023Q1457612.9M$13.0B
2022Q4440591.1M$12.5B
2022Q3435593.0M$11.6B
Largest reported holders, 2026Q2
HolderShares% of companyValue
Dodge & Cox120.0M18%$1.19B
BlackRock Inc.70.3M10%$696M
VANGUARD GROUP INC67.9M10%$672M
GREENHAVEN ASSOCIATES INC24.6M3.6%$244M
STATE STREET CORP21.6M3.2%$214M
DIMENSIONAL FUND ADVISORS LP20.4M3.0%$202M
Engine Capital Management, LP19.9M2.9%$197M
BARROW HANLEY MEWHINNEY & STRAUSS LLC19.7M2.9%$195M
NEW MOUNTAIN VANTAGE ADVISERS, L.L.C.14.0M2.1%$139M
Invesco Ltd.13.9M2.1%$137M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202651.4M7.6%6.2
Aug 31, 202650.2M7.4%8.7
Aug 14, 202652.2M7.7%6.9
Jul 31, 202653.2M7.9%3.4
Jul 15, 202656.0M8.3%6.5
Jun 30, 202652.0M7.7%6.3
Jun 15, 202644.0M6.5%4.4
May 29, 202640.6M6.0%3.7
May 15, 202638.7M5.7%4.2
Apr 30, 202640.3M6.0%3.8
Apr 15, 202642.4M6.3%5.4
Mar 31, 202643.9M6.5%5.1

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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