Atkore (ATKR) Institutional Ownership

$83.15 +0.34 (+0.41%)

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

Extended Trading

$82.69 -0.46 (-0.55%)

As of 09:03 AM Eastern

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Number of Institutional Buyers (last 12 months): 189
Total Institutional Inflows (last 12 months): $577.03M

Number of Institutional Sellers (last 12 months): 129
Total Institutional Outflows (last 12 months): $490.58M

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ATKR Institutional Buying and Selling by Quarter

Atkore 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
5/19/2026	Bank of America Corp DE	462,278	$27.23M	0.0%	+10.1%	1.369%
5/19/2026	Janus Henderson Group PLC	17,312	$1.02M	0.0%	+23.0%	0.051%
5/18/2026	Amundi	3,527	$208K	0.0%	N/A	0.010%
5/18/2026	California State Teachers Retirement System	39,703	$2.34M	0.0%	+24.6%	0.118%
5/18/2026	Royal Bank of Canada	13,289	$781K	0.0%	-32.0%	0.039%
5/18/2026	Empowered Funds LLC	133,516	$7.87M	0.1%	+8.3%	0.395%
5/16/2026	Quantinno Capital Management LP	6,291	$371K	0.0%	-7.7%	0.019%
5/16/2026	Lazard Asset Management LLC	33,496	$1.97M	0.0%	+572.2%	0.099%
5/15/2026	Dean Capital Management	5,582	$329K	0.1%	-70.5%	0.017%
5/15/2026	OMERS ADMINISTRATION Corp	34,951	$2.06M	0.0%	+11.1%	0.103%
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5/15/2026	Van Diest Capital LLC	6,912	$407K	0.3%	N/A	0.020%
5/15/2026	London Co. of Virginia	377,623	$22.25M	0.1%	-8.3%	1.118%
5/15/2026	Entropy Technologies LP	8,331	$491K	0.0%	-41.3%	0.025%
5/14/2026	Healthcare of Ontario Pension Plan Trust Fund	125,800	$7.41M	0.0%	+99.7%	0.373%
5/14/2026	Gamco Investors INC. ET AL	4,484	$264K	0.0%	-8.2%	0.013%
5/14/2026	Morningstar Investment Management LLC	16,130	$950K	0.1%	-13.1%	0.048%
5/14/2026	Arrowstreet Capital Limited Partnership	698,134	$41.13M	0.0%	-0.9%	2.068%
5/14/2026	Caxton Associates LLP	24,876	$1.47M	0.0%	-21.1%	0.074%
5/14/2026	Inceptionr LLC	3,737	$220K	0.1%	-35.2%	0.011%
5/14/2026	Sei Investments Co.	208,454	$12.28M	0.0%	+1.2%	0.617%
5/14/2026	State of Wyoming	4,692	$276K	0.0%	+12.8%	0.014%
5/13/2026	Cetera Investment Advisers	5,212	$307K	0.0%	+2.8%	0.015%
5/13/2026	Measured Wealth Private Client Group LLC	955	$56K	0.0%	-24.7%	0.003%
5/13/2026	First Trust Advisors LP	1,226,840	$72.27M	0.1%	-11.5%	3.633%
5/8/2026	Oslo Pensjonsforsikring AS	377,000	$22.21M	3.5%	N/A	1.117%
5/7/2026	Dimensional Fund Advisors LP	1,227,991	$72.34M	0.0%	+8.6%	3.638%
5/7/2026	SEB Asset Management AB	11,545	$680K	0.0%	N/A	0.034%
5/6/2026	Aviance Capital Partners LLC	20,794	$1.23M	0.1%	+9.7%	0.062%
5/6/2026	Allspring Global Investments Holdings LLC	76,830	$4.63M	0.0%	-52.7%	0.228%
5/5/2026	Kestrel Investment Management Corp	74,150	$4.37M	2.6%	-0.7%	0.220%
5/5/2026	Bank of New York Mellon Corp	235,919	$13.90M	0.0%	+0.1%	0.699%
5/1/2026	Fifth Third Bancorp	3,202	$189K	0.0%	+24,530.8%	0.009%
5/1/2026	Diversified Investment Strategies LLC	10,000	$589K	0.4%	N/A	0.030%
4/30/2026	Hsbc Holdings PLC	18,656	$1.09M	0.0%	N/A	0.055%
4/30/2026	Roman Butler Fullerton & Co.	6,074	$358K	0.1%	+12.6%	0.018%
4/30/2026	Isthmus Partners LLC	36,814	$2.17M	0.2%	+1.6%	0.109%
4/22/2026	Pictet Asset Management Holding SA	5,811	$342K	0.0%	+13.4%	0.017%
4/22/2026	Sterling Capital Management LLC	1,116	$66K	0.0%	-42.9%	0.003%
4/16/2026	SG Americas Securities LLC	39,195	$2.31M	0.0%	+22.4%	0.116%
4/16/2026	Tactive Advisors LLC	5,333	$314K	0.1%	N/A	0.016%
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4/16/2026	Baron Wealth Management LLC	3,707	$218K	0.1%	+11.7%	0.011%
3/9/2026	EMC Capital Management	2,578	$163K	0.1%	-15.0%	0.008%
3/2/2026	Sankala Group LLC	11,943	$773K	0.6%	N/A	0.035%
2/24/2026	Pacer Advisors Inc.	178,188	$11.27M	0.0%	-8.7%	0.528%
2/20/2026	Dean Capital Management	18,921	$1.20M	0.5%	+4.4%	0.056%
2/19/2026	Invesco Ltd.	103,765	$6.56M	0.0%	+17.6%	0.307%
2/18/2026	Vident Advisory LLC	13,783	$872K	0.0%	-13.8%	0.041%
2/18/2026	EP Wealth Advisors LLC	3,664	$232K	0.0%	N/A	0.011%
2/18/2026	CacheTech Inc.	47,076	$2.98M	0.6%	+6.1%	0.139%
2/18/2026	Empowered Funds LLC	123,249	$7.80M	0.1%	-9.3%	0.365%
2/18/2026	XTX Topco Ltd	6,181	$391K	0.0%	N/A	0.018%
2/18/2026	Adams Wealth Management	40,726	$2.58M	0.5%	+0.5%	0.121%
2/18/2026	VARCOV Co.	6,025	$381K	0.2%	N/A	0.018%
2/18/2026	Voloridge Investment Management LLC	192,810	$12.20M	0.0%	-23.9%	0.571%
2/18/2026	Wellington Management Group LLP	188,262	$11.91M	0.0%	-12.0%	0.558%
2/18/2026	Old West Investment Management LLC	6,791	$430K	0.1%	N/A	0.020%
2/18/2026	Millennium Management LLC	33,230	$2.10M	0.0%	-37.8%	0.098%
2/18/2026	Man Group plc	61,024	$3.86M	0.0%	+140.9%	0.181%
2/18/2026	Irenic Capital Management LP	13,977	$884K	0.1%	N/A	0.041%
2/18/2026	Gotham Asset Management LLC	17,047	$1.08M	0.0%	+5.6%	0.051%
2/18/2026	Engineers Gate Manager LP	4,215	$267K	0.0%	-88.3%	0.012%
2/18/2026	Clayton Partners LLC	10,000	$632K	0.4%	N/A	0.030%
2/18/2026	Balyasny Asset Management L.P.	68,423	$4.33M	0.0%	-32.1%	0.203%
2/18/2026	Aventail Capital Group LP	15,603	$987K	0.1%	N/A	0.046%
2/18/2026	Bridgeway Capital Management LLC	231,611	$14.65M	0.3%	-8.4%	0.686%
2/18/2026	Aristeia Capital L.L.C.	8,609	$545K	0.0%	N/A	0.026%
2/17/2026	Freestone Grove Partners LP	7,336	$464K	0.0%	-50.6%	0.022%
2/17/2026	PDT Partners LLC	3,700	$234K	0.0%	N/A	0.011%
2/17/2026	AQR Capital Management LLC	49,668	$3.14M	0.0%	-9.0%	0.147%
2/17/2026	Cetera Investment Advisers	5,069	$321K	0.0%	N/A	0.015%
2/17/2026	Coliseum Capital Management LLC	809,305	$51.19M	4.2%	N/A	2.398%
2/17/2026	Jump Financial LLC	3,449	$218K	0.0%	-86.0%	0.010%
2/17/2026	Laurion Capital Management LP	10,804	$683K	0.0%	N/A	0.032%
2/17/2026	Price T Rowe Associates Inc. MD	32,783	$2.07M	0.0%	-7.4%	0.097%
2/17/2026	Osaic Holdings Inc.	2,143	$136K	0.0%	+29.2%	0.006%
2/17/2026	Dean Investment Associates LLC	27,819	$1.76M	0.3%	+26.6%	0.082%
2/17/2026	Adage Capital Partners GP L.L.C.	297,000	$18.79M	0.0%	N/A	0.880%
2/17/2026	California State Teachers Retirement System	31,874	$2.02M	0.0%	+2.4%	0.094%
2/17/2026	Russell Investments Group Ltd.	83,744	$5.30M	0.0%	-0.5%	0.248%
2/17/2026	London Co. of Virginia	411,729	$26.04M	0.2%	-4.3%	1.220%
2/17/2026	State of Wisconsin Investment Board	12,788	$809K	0.0%	+6.8%	0.038%
2/17/2026	Kemnay Advisory Services Inc.	1,667	$105K	0.0%	N/A	0.005%
2/17/2026	Captrust Financial Advisors	5,688	$360K	0.0%	N/A	0.017%
2/17/2026	&PARTNERS	3,598	$228K	0.0%	N/A	0.011%
2/17/2026	ExodusPoint Capital Management LP	124,624	$7.88M	0.1%	N/A	0.369%
2/17/2026	Royal Bank of Canada	19,557	$1.24M	0.0%	-95.9%	0.058%
2/17/2026	Magnetar Financial LLC	19,237	$1.22M	0.0%	N/A	0.057%
2/16/2026	Squarepoint Ops LLC	11,102	$702K	0.0%	N/A	0.033%
2/16/2026	OMERS ADMINISTRATION Corp	31,451	$1.99M	0.0%	+10.8%	0.093%
2/16/2026	Verition Fund Management LLC	7,259	$459K	0.0%	-94.2%	0.022%
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2/16/2026	MML Investors Services LLC	4,238	$268K	0.0%	N/A	0.013%
2/16/2026	Healthcare of Ontario Pension Plan Trust Fund	63,000	$3.99M	0.0%	+84.8%	0.187%
2/16/2026	Entropy Technologies LP	14,199	$898K	0.0%	+35.4%	0.042%
2/16/2026	Barclays PLC	61,865	$3.91M	0.0%	+10.5%	0.183%
2/16/2026	Arrowstreet Capital Limited Partnership	704,668	$44.57M	0.0%	+64.9%	2.088%
2/13/2026	Kestra Advisory Services LLC	1,218	$77K	0.0%	N/A	0.004%
2/13/2026	Meixler Investment Management Ltd.	7,524	$476K	0.3%	-2.3%	0.022%
2/13/2026	Marshall Wace LLP	47,051	$2.98M	0.0%	-69.0%	0.139%
2/13/2026	The Manufacturers Life Insurance Company	15,913	$1.01M	0.0%	-5.4%	0.047%
2/13/2026	CANADA LIFE ASSURANCE Co	4,433	$280K	0.0%	+18.6%	0.013%

ATKR Institutional Ownership - Frequently Asked Questions

During the previous two years, 396 institutional investors and hedge funds held shares of Atkore. The most heavily invested institutionals were Vanguard Group Inc. ($229.97M), Gates Capital Management Inc. ($195.87M), American Century Companies Inc. ($72.66M), Dimensional Fund Advisors LP ($72.34M), First Trust Advisors LP ($72.27M), Clearbridge Investments LLC ($64.30M), and River Road Asset Management LLC ($61.03M).Learn more on Atkore's institutional investors.

Of the 327 institutional investors that purchased Atkore's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Wellington Management Group LLP ($1.27M), Gates Capital Management Inc. ($1.25M), First Trust Advisors LP ($1.21M), Coliseum Capital Management LLC ($809.31K), Earnest Partners LLC ($783.74K), Arrowstreet Capital Limited Partnership ($704.67K), and Victory Capital Management Inc. ($639.59K).

Institutional investors have bought a total of 8,994,132 shares in the last 24 months. This purchase volume represents approximately $577.03M in transactions.

Of the 129 institutional investors that sold Atkore's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Allspring Global Investments Holdings LLC ($985.52K), First Trust Advisors LP ($749.32K), Jefferies Financial Group Inc. ($565.43K), Victory Capital Management Inc. ($519.46K), Ameriprise Financial Inc. ($484.56K), JPMorgan Chase & Co. ($478.65K), and Royal Bank of Canada ($469.03K).

Institutional investors have sold a total of 7,720,591 shares in the last 24 months. This volume of shares sold represents approximately $490.58M in transactions.

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

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Atkore (ATKR) Institutional Ownership

ATKR Institutional Buying and Selling by Quarter

Atkore Major Shareholders & Ownership History

ATKR Institutional Ownership - Frequently Asked Questions

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Atkore (ATKR) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Atkore (NYSE:ATKR)

ATKR Institutional Buying and Selling by Quarter

Atkore Major Shareholders & Ownership History

ATKR Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ATKR shares?

Which institutional investors have been buying Atkore's stock?

How much institutional buying is happening at Atkore?

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

How much institutional selling is happening at Atkore?

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