ATKRAtkore Inc.

$94.84+60% 1Y

Who owns ATKR

323 institutions reported holding ATKR for 2026Q2, together 97% of the company, more than the 300 a quarter earlier.

323

Institutions reporting a position · as of 2026Q2 · up from 300 the quarter before

Shares held by institutions
32.9M

Shares held by institutions · 97% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.50B

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

Top 5 holders
35%

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

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
41
New positions
65
Positions exited
44
Added to
109
Reduced
82
Top 10 holdersof the company
48%
Shares sold shortsettled Sep 15, 2026
1.3M
Short interestof shares outstanding
3.9%
Days to coverat the average daily volume
1.6
Change in the short positionsince the Aug 31, 2026 count
+17%
Institutional ownership by quarter, 2016Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q232332.9M$2.50B
2026Q130032.5M$1.91B
2025Q430232.0M$2.03B
2025Q329532.3M$2.02B
2025Q229132.7M$2.32B
2025Q129133.4M$2.00B
2024Q432837.3M$3.11B
2024Q336736.5M$3.09B
2024Q245139.6M$5.37B
2024Q145039.4M$7.54B
2023Q443839.0M$6.24B
2023Q340438.6M$5.76B
2023Q240438.7M$6.03B
2023Q139038.6M$5.37B
2022Q436839.4M$4.47B
2022Q329841.2M$3.21B
Largest reported holders, 2026Q2
HolderShares% of companyValue
VANGUARD GROUP INC3.9M12%$299M
BlackRock Inc.3.1M9.2%$237M
AMERICAN CENTURY COMPANIES INC1.8M5.2%$135M
Gates Capital Management, Inc.1.7M5.0%$130M
DIMENSIONAL FUND ADVISORS LP1.3M3.8%$99M
LSV ASSET MANAGEMENT1.1M3.2%$83M
STATE STREET CORP0.9M2.7%$69M
GEODE CAPITAL MANAGEMENT LLC0.9M2.7%$69M
EARNEST PARTNERS LLC0.8M2.3%$59M
Hill City Capital, LP0.7M2.1%$55M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20261.3M3.9%1.6
Aug 31, 20261.1M3.3%2.1
Aug 14, 20261.2M3.5%1.0
Jul 31, 20261.2M3.6%3.0
Jul 15, 20261.2M3.7%4.6
Jun 30, 20261.3M3.9%3.1
Jun 15, 20261.3M3.9%3.7
May 29, 20261.2M3.5%1.8
May 15, 20260.9M2.5%1.8
Apr 30, 20261.1M3.3%1.6
Apr 15, 20261.4M4.2%4.1
Mar 31, 20261.5M4.4%4.6

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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