Avantor (AVTR) Institutional Ownership

$9.12 -0.01 (-0.05%)

Closing price 05/29/2026 03:59 PM Eastern

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$9.13 +0.02 (+0.18%)

As of 05:52 AM Eastern

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Current Institutional Ownership Percentage: 95.08%
Number of Institutional Buyers (last 12 months): 311
Total Institutional Inflows (last 12 months): $2.70B

Number of Institutional Sellers (last 12 months): 225
Total Institutional Outflows (last 12 months): $1.82B

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AVTR Institutional Buying and Selling by Quarter

Avantor Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/22/2026	Verus Capital Partners LLC	14,147	$111K	0.0%	N/A	0.002%
5/19/2026	Bank of America Corp DE	7,067,563	$55.41M	0.0%	+24.3%	1.035%
5/19/2026	Edgestream Partners L.P.	418,095	$3.28M	0.1%	+21.8%	0.061%
5/18/2026	ADAR1 Capital Management LLC	80,000	$627K	0.0%	+14.3%	0.012%
5/18/2026	Amundi	531,575	$4.17M	0.0%	+357.3%	0.078%
5/18/2026	California State Teachers Retirement System	785,799	$6.16M	0.0%	+22.6%	0.115%
5/18/2026	Readystate Asset Management LP	788,250	$6.18M	0.3%	-3.1%	0.115%
5/18/2026	Royal Bank of Canada	230,629	$1.81M	0.0%	-21.6%	0.034%
5/18/2026	Empowered Funds LLC	22,518	$177K	0.0%	-15.9%	0.003%
5/18/2026	Engine Capital Management LP	19,780,830	$155.08M	18.7%	+65.8%	2.897%
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5/18/2026	Eversept Partners LP	2,974,287	$23.32M	1.2%	-6.4%	0.436%
5/16/2026	The Manufacturers Life Insurance Company	1,101,504	$8.64M	0.0%	-87.4%	0.161%
5/16/2026	Maverick Capital Ltd.	100,814	$790K	0.0%	N/A	0.015%
5/16/2026	Quantinno Capital Management LP	1,169,147	$9.17M	0.0%	+187.4%	0.171%
5/16/2026	Lazard Asset Management LLC	81,813	$641K	0.0%	N/A	0.012%
5/16/2026	ABS Direct Equity Fund LLC	75,000	$588K	0.5%	-25.0%	0.011%
5/15/2026	Weiss Asset Management LP	527,903	$4.14M	0.1%	-30.1%	0.077%
5/15/2026	London Co. of Virginia	10,852,257	$85.08M	0.5%	-9.1%	1.589%
5/14/2026	Gabelli Funds LLC	110,500	$866K	0.0%	-39.0%	0.016%
5/14/2026	Public Employees Retirement System of Ohio	192,289	$1.51M	0.0%	-3.3%	0.028%
5/14/2026	Caxton Associates LLP	10,055	$79K	0.0%	N/A	0.001%
5/14/2026	Clarkston Capital Partners LLC	8,629,389	$67.65M	5.2%	-42.9%	1.264%
5/14/2026	Bank of Nova Scotia	41,600	$326K	0.0%	-67.0%	0.006%
5/14/2026	Sei Investments Co.	5,287,850	$41.46M	0.0%	+0.9%	0.774%
5/14/2026	State of Wyoming	34,905	$274K	0.0%	+473.0%	0.005%
5/13/2026	Cetera Investment Advisers	38,569	$302K	0.0%	+34.1%	0.006%
5/13/2026	First Trust Advisors LP	29,376	$230K	0.0%	-98.6%	0.004%
5/8/2026	PNC Financial Services Group Inc.	47,157	$370K	0.0%	+83.7%	0.007%
5/7/2026	Dimensional Fund Advisors LP	16,894,649	$132.44M	0.0%	+15.7%	2.474%
5/7/2026	Balefire LLC	19,987	$157K	0.0%	-85.8%	0.003%
5/7/2026	Parallel Advisors LLC	8,452	$66K	0.0%	+21.4%	0.001%
5/7/2026	Swiss National Bank	1,349,400	$10.58M	0.0%	+0.4%	0.198%
5/6/2026	California Public Employees Retirement System	1,155,532	$9.06M	0.0%	+24.9%	0.169%
5/6/2026	Kera Capital Partners Inc.	18,573	$146K	0.0%	-25.7%	0.003%
5/6/2026	Lightrock Netherlands B.V.	328,626	$2.58M	0.3%	+22.9%	0.048%
5/6/2026	Bessemer Group Inc.	12,088	$95K	0.0%	-12.7%	0.002%
5/6/2026	Gerald Baker Financial Group LLC	94,206	$739K	0.2%	N/A	0.014%
5/6/2026	Allspring Global Investments Holdings LLC	12,290	$95K	0.0%	N/A	0.002%
5/5/2026	Sanctuary Advisors LLC	21,412	$168K	0.0%	-61.9%	0.003%
5/4/2026	Calamos Wealth Management LLC	38,401	$301K	0.0%	N/A	0.006%
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5/4/2026	Calamos Advisors LLC	38,401	$301K	0.0%	N/A	0.006%
5/4/2026	State of Michigan Retirement System	164,100	$1.29M	0.0%	+1.9%	0.024%
5/4/2026	Principal Financial Group Inc.	1,522,563	$11.94M	0.0%	+3.8%	0.223%
5/4/2026	Chicago Partners Investment Group LLC	24,069	$199K	0.0%	N/A	0.004%
5/2/2026	ARQ Wealth Advisors LLC	14,225	$112K	0.0%	N/A	0.002%
5/2/2026	Diversify Wealth Management LLC	26,810	$210K	0.0%	+35.1%	0.004%
5/1/2026	Fifth Third Bancorp	424,817	$3.33M	0.0%	+597.7%	0.062%
5/1/2026	Sequoia Financial Advisors LLC	11,361	$89K	0.0%	-10.1%	0.002%
4/30/2026	Hsbc Holdings PLC	31,037	$243K	0.0%	-85.8%	0.005%
4/30/2026	Oregon Public Employees Retirement Fund	139,857	$1.10M	0.0%	+3.2%	0.021%
4/30/2026	Quantum Portfolio Management LLC	10,219	$80K	0.0%	N/A	0.001%
4/27/2026	New York State Teachers Retirement System	330,712	$2.59M	0.0%	-13.7%	0.048%
4/27/2026	Leonteq Securities AG	21,242	$167K	0.0%	+255.6%	0.003%
4/23/2026	SJS Investment Consulting Inc.	5,235	$41K	0.0%	+1,599.7%	0.001%
4/22/2026	Pictet Asset Management Holding SA	106,835	$838K	0.0%	+2.2%	0.016%
4/22/2026	Sterling Capital Management LLC	22,165	$174K	0.0%	-43.3%	0.003%
4/21/2026	Louisiana State Employees Retirement System	197,800	$1.55M	0.0%	N/A	0.029%
4/20/2026	Blue Trust Inc.	26,923	$211K	0.0%	+61.5%	0.004%
4/20/2026	Assenagon Asset Management S.A.	106,070	$832K	0.0%	-97.1%	0.016%
4/16/2026	SG Americas Securities LLC	373,892	$2.93M	0.0%	-7.0%	0.055%
3/20/2026	Hsbc Holdings PLC	218,287	$2.51M	0.0%	+635.0%	0.032%
3/17/2026	Rockefeller Capital Management L.P.	4,506	$52K	0.0%	-84.8%	0.001%
3/9/2026	Corient Private Wealth LLC	624,623	$7.16M	0.0%	-82.2%	0.092%
3/6/2026	Hsbc Holdings PLC	218,287	$2.51M	0.0%	+635.0%	0.032%
3/3/2026	Caitong International Asset Management Co. Ltd	6,051	$69K	0.0%	-58.8%	0.001%
2/26/2026	Alpine Global Management LLC	18,448	$211K	0.0%	N/A	0.003%
2/24/2026	Pacer Advisors Inc.	109,417	$1.25M	0.0%	+22.0%	0.016%
2/23/2026	Kera Capital Partners Inc.	24,992	$273K	0.0%	+8.6%	0.004%
2/19/2026	T. Rowe Price Investment Management Inc.	32,131,843	$368.23M	0.2%	-2.4%	4.711%
2/19/2026	Invesco Ltd.	17,178,716	$196.87M	0.0%	+7.0%	2.519%
2/19/2026	Corient Private Wealth LLC	627,587	$7.16M	0.0%	-82.1%	0.092%
2/19/2026	Alberta Investment Management Corp	1,111,144	$12.73M	0.1%	N/A	0.163%
2/18/2026	Mercer Global Advisors Inc. ADV	93,125	$1.07M	0.0%	+15.6%	0.014%
2/18/2026	State of Tennessee Department of Treasury	310,711	$3.39M	0.0%	-9.3%	0.046%
2/18/2026	Mackenzie Financial Corp	412,455	$4.72M	0.0%	+1,180.2%	0.060%
2/18/2026	Fuller & Thaler Asset Management Inc.	1,622,397	$18.59M	0.1%	N/A	0.238%
2/18/2026	XTX Topco Ltd	36,792	$422K	0.0%	-74.4%	0.005%
2/18/2026	Wellington Management Group LLP	23,436,636	$268.58M	0.1%	N/A	3.436%
2/18/2026	Quadrature Capital Ltd	76,024	$871K	0.0%	N/A	0.011%
2/18/2026	Readystate Asset Management LP	813,081	$9.32M	0.4%	+995.9%	0.119%
2/18/2026	Millennium Management LLC	3,668,997	$42.05M	0.0%	+35.8%	0.538%
2/18/2026	Moore Capital Management LP	499,086	$5.72M	0.1%	+70.0%	0.073%
2/18/2026	Janus Henderson Group PLC	307,978	$3.53M	0.0%	+7.2%	0.045%
2/18/2026	Gotham Asset Management LLC	362,356	$4.15M	0.0%	-65.4%	0.053%
2/18/2026	Engine Capital Management LP	11,927,812	$136.69M	18.9%	-39.5%	1.749%
2/18/2026	Eversept Partners LP	3,176,644	$36.40M	1.8%	+243.6%	0.466%
2/18/2026	Capitolis Liquid Global Markets LLC	505,000	$5.79M	0.0%	N/A	0.074%
2/18/2026	Circumference Group LLC	305,000	$3.50M	3.8%	N/A	0.045%
2/18/2026	Clearline Capital LP	502,683	$5.76M	0.3%	N/A	0.074%
2/18/2026	Boothbay Fund Management LLC	26,670	$306K	0.0%	N/A	0.004%
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2/18/2026	Aristeia Capital L.L.C.	40,810	$468K	0.0%	N/A	0.006%
2/18/2026	American Trust	10,934	$125K	0.0%	N/A	0.002%
2/17/2026	Freestone Grove Partners LP	2,584,006	$29.61M	0.2%	N/A	0.379%
2/17/2026	Guggenheim Capital LLC	15,241	$175K	0.0%	-28.6%	0.002%
2/17/2026	ADAR1 Capital Management LLC	70,000	$802K	0.1%	+180.0%	0.010%
2/17/2026	AQR Capital Management LLC	4,391,597	$50.33M	0.0%	+263.2%	0.644%
2/17/2026	Cetera Investment Advisers	28,770	$330K	0.0%	-10.2%	0.004%
2/17/2026	EFG International AG	87,500	$1.00M	0.0%	N/A	0.013%
2/17/2026	Jain Global LLC	210,598	$2.41M	0.0%	+443.2%	0.031%
2/17/2026	Amundi	116,233	$1.33M	0.0%	+50.9%	0.017%

AVTR Institutional Ownership - Frequently Asked Questions

During the previous two years, 572 institutional investors and hedge funds held shares of Avantor. The most heavily invested institutionals were Dodge & Cox ($1.34B), Vanguard Group Inc. ($743.81M), Barrow Hanley Mewhinney & Strauss LLC ($381.47M), T. Rowe Price Investment Management Inc. ($368.23M), Wellington Management Group LLP ($268.58M), Greenhaven Associates Inc. ($234.94M), and State Street Corp ($231.60M).Learn more on Avantor's institutional investors.

95.08% of Avantor's stock is owned by institutional investors. Learn more on AVTR's institutional investor holdings.

Of the 491 institutional investors that purchased Avantor's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Dodge & Cox ($49.33M), Wellington Management Group LLP ($23.60M), Norges Bank ($21.20M), Greenhaven Associates Inc. ($20.50M), 1832 Asset Management L.P. ($16.62M), The Manufacturers Life Insurance Company ($15.56M), and Engine Capital Management LP ($13.36M).

Institutional investors have bought a total of 222,809,048 shares in the last 24 months. This purchase volume represents approximately $2.70B in transactions.

Of the 225 institutional investors that sold Avantor's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: 1832 Asset Management L.P. ($13.62M), T. Rowe Price Investment Management Inc. ($12.48M), The Manufacturers Life Insurance Company ($10.90M), Bessemer Group Inc. ($9.14M), Engine Capital Management LP ($7.79M), Clarkston Capital Partners LLC ($6.48M), and Corient Private Wealth LLC ($5.76M).

Institutional investors have sold a total of 154,595,877 shares in the last 24 months. This volume of shares sold represents approximately $1.82B in transactions.

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This page (NYSE:AVTR) was last updated on 6/1/2026 by MarketBeat.com Staff.

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Avantor (AVTR) Institutional Ownership

AVTR Institutional Buying and Selling by Quarter

Avantor Major Shareholders & Ownership History

AVTR Institutional Ownership - Frequently Asked Questions

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Avantor (AVTR) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Avantor (NYSE:AVTR)

AVTR Institutional Buying and Selling by Quarter

Avantor Major Shareholders & Ownership History

AVTR Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of AVTR shares?

What percentage of Avantor's stock is owned by institutional investors?

Which institutional investors have been buying Avantor's stock?

How much institutional buying is happening at Avantor?

Which of Avantor's major shareholders have been selling company stock?

How much institutional selling is happening at Avantor?

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