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303 hedge funds and large institutions have $1.91B invested in Atkore in 2026 Q1 according to their latest regulatory filings, with 51 funds opening new positions, 102 increasing their positions, 94 reducing their positions, and 49 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more funds holding in top 10

Funds holding in top 10: 23 (+1)

37% more call options, than puts

Call options by funds: $9.72M | Put options by funds: $7.12M

1.45% more ownership

Funds ownership: 94.81%96.26% (+1.5%)

9% more repeat investments, than reductions

Existing positions increased: 102 | Existing positions reduced: 94

4% more first-time investments, than exits

New positions opened: 51 | Existing positions closed: 49

1% less funds holding

Funds holding: 306303 (-3)

6% less capital invested

Capital invested by funds: $2.03B → $1.91B (-$113M)

Holders
303
Holders Change
-3
Holders Change %
-0.98%
% of All Funds
3.73%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
51
Increased
102
Reduced
94
Closed
49
Calls
$9.72M
Puts
$7.12M
Net Calls
+$2.6M
Net Calls Change
+$997K
Name Holding Trade Value Shares
Change
Change in
Stake
Jane Street
76
Jane Street
New York
$2.87M -$9.41M -144,755 -75%
OSAM
77
O'Shaughnessy Asset Management
Connecticut
$2.86M -$398K -6,128 -11%
Balyasny Asset Management
78
Balyasny Asset Management
Illinois
$2.75M -$1.41M -21,760 -32%
RhumbLine Advisers
79
RhumbLine Advisers
Massachusetts
$2.57M -$57.7K -887 -2%
CM
80
CastleKnight Management
New York
$2.49M
Susquehanna International Group
81
Susquehanna International Group
Pennsylvania
$2.38M +$695K +10,685 +36%
California State Teachers Retirement System (CalSTRS)
82
California State Teachers Retirement System (CalSTRS)
California
$2.34M +$509K +7,829 +25%
OAM
83
Oppenheimer Asset Management
New York
$2.31M +$2.55M +39,241 New
Millennium Management
84
Millennium Management
New York
$2.31M +$390K +5,996 +18%
SG Americas Securities
85
SG Americas Securities
New York
$2.31M +$466K +7,172 +22%
T. Rowe Price Associates
86
T. Rowe Price Associates
Maryland
$2.27M +$379K +5,824 +18%
AllianceBernstein
87
AllianceBernstein
Tennessee
$2.22M
IP
88
Isthmus Partners
Wisconsin
$2.17M +$37.8K +582 +2%
CA
89
CSM Advisors
Pennsylvania
$2.13M +$209K +3,217 +10%
OAC
90
OMERS Administration Corp
Ontario, Canada
$2.06M +$228K +3,500 +11%
Hudson Bay Capital Management
91
Hudson Bay Capital Management
Connecticut
$2.06M -$3.03M -46,544 -57%
State of New Jersey Common Pension Fund D
92
State of New Jersey Common Pension Fund D
New Jersey
$1.99M +$2.19M +33,712 New
Lazard Asset Management
93
Lazard Asset Management
New York
$1.97M +$1.85M +28,513 +572%
TI
94
Tidal Investments
Wisconsin
$1.88M +$1.34M +20,636 +183%
Legal & General Group
95
Legal & General Group
United Kingdom
$1.88M -$305K -4,686 -13%
VAM
96
Vanguard Asset Management
$1.83M +$2.01M +30,988 New
BHCM
97
Brevan Howard Capital Management
Jersey
$1.8M +$1.99M +30,561 New
Franklin Resources
98
Franklin Resources
California
$1.75M -$106K -1,633 -5%
VGA
99
Vanguard Global Advisers
Pennsylvania
$1.66M +$1.83M +28,204 New
KA
100
Kerrisdale Advisers
Florida
$1.65M