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Kaiser Aluminum
KALU

266 hedge funds and large institutions have $1.82B invested in Kaiser Aluminum in 2025 Q4 according to their latest regulatory filings, with 77 funds opening new positions, 85 increasing their positions, 74 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

987% more call options, than puts

Call options by funds: $7.12M | Put options by funds: $655K

300% more funds holding in top 10

Funds holding in top 10: 1 → 4 (+3)

250% more first-time investments, than exits

New positions opened: 77 | Existing positions closed: 22

54% more capital invested

Capital invested by funds: $1.18B → $1.82B (+$635M)

26% more funds holding

Funds holding: 211 → 266 (+55)

15% more repeat investments, than reductions

Existing positions increased: 85 | Existing positions reduced: 74

2.92% more ownership

Funds ownership: 94.62% → 97.54% (+2.9%)

Holders
266
Holders Change
+55
Holders Change %
+26.07%
% of All Funds
3.23%
Holding in Top 10
4
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+300%
% of All Funds
0.05%
New
77
Increased
85
Reduced
74
Closed
22
Calls
$7.12M
Puts
$655K
Net Calls
+$6.47M
Net Calls Change
+$6.77M

Top Buyers

1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$19.2M
2
BCM
Brightline Capital Management
Florida
+$16M
3
Goldman Sachs
Goldman Sachs
New York
+$9.03M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$6M
5
HIM
Hillsdale Investment Management
Ontario, Canada
+$4.48M

Top Sellers

1
Macquarie Group
Macquarie Group
Australia
-$78M
2
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss
Texas
-$19.9M
3
State Street
State Street
Massachusetts
-$17.8M
4
IIM
INTECH Investment Management
Florida
-$5.72M
5
EF
Empowered Funds
Pennsylvania
-$5.28M
Name Holding Trade Value Shares
Change 		Change in
Stake
PFSRSONJ
151
Police & Firemen's Retirement System of New Jersey
New Jersey
$510K – – –
CPBTD
152
Central Pacific Bank - Trust Division
Hawaii
$491K -$118K -1,241 -23%
IQI
153
Integrated Quantitative Investments
Washington
$490K +$406K +4,266 New
LCM
154
Legato Capital Management
California
$490K +$406K +4,266 New
TRSOTSOK
155
Teachers Retirement System of the State of Kentucky
Kentucky
$464K -$48.4K -509 -11%
COPPSERS
156
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$457K -$10.2K -107 -3%
SCM
157
Sterling Capital Management
North Carolina
$453K +$323K +3,390 +616%
Commonwealth Equity Services
158
Commonwealth Equity Services
Massachusetts
$450K +$7.23K +76 +2%
CP
159
CenterBook Partners
Connecticut
$431K +$357K +3,756 New
OPERF
160
Oregon Public Employees Retirement Fund
Oregon
$418K – – –
SAM
161
Silvercrest Asset Management
New York
$418K – – –
QCM
162
Quantinno Capital Management
New York
$417K +$36.5K +384 +12%
Mitsubishi UFJ Trust & Banking
163
Mitsubishi UFJ Trust & Banking
Japan
$408K +$338K +3,551 New
KWM
164
Kingsview Wealth Management
Oregon
$408K +$338K +3,550 New
PNC Financial Services Group
165
PNC Financial Services Group
Pennsylvania
$404K -$16.7K -175 -5%
KK
166
KLP Kapitalforvaltning
Norway
$391K – – –
Los Angeles Capital Management
167
Los Angeles Capital Management
California
$383K -$7.04K -74 -2%
Canada Pension Plan Investment Board
168
Canada Pension Plan Investment Board
Ontario, Canada
$379K +$314K +3,300 New
HFO
169
Heritage Family Offices
Arizona
$364K -$36.3K -381 -11%
SOW
170
State of Wyoming
Wyoming
$364K +$223K +2,341 +284%
ProShare Advisors
171
ProShare Advisors
Maryland
$359K +$9.23K +97 +3%
MML Investors Services
172
MML Investors Services
Massachusetts
$350K +$290K +3,044 New
QT
173
Quantbot Technologies
New York
$341K +$266K +2,793 +1,587%
Mariner
174
Mariner
Kansas
$327K +$14.8K +156 +6%
B
175
Bailard
California
$321K +$266K +2,798 New
5 6
7
8 9

KALU Hedge Fund Activity: Q4 2025 in Review

266 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Kaiser Aluminum (KALU) for Q4 2025, worth a combined $1.82B — up 54% from $1.18B a quarter earlier.

Buyers outnumbered sellers: 77 funds opened new KALU positions and 22 closed out — a net gain of 55 holders — while 85 added to existing stakes and 74 trimmed.

The largest buyer was Arrowstreet Capital, adding an estimated $19.2M. The largest seller was Macquarie Group, exiting entirely with an estimated $78M sold.

  • 266 institutional investors held Kaiser Aluminum (KALU) as of Q4 2025, up from 211 in Q3 2025.
  • Funds reported $1.82B of Kaiser Aluminum stock for Q4 2025, up 54% quarter-over-quarter.
  • 77 funds opened new Kaiser Aluminum positions in Q4 2025 and 22 closed out, a net change of +55 holders.
  • The largest Kaiser Aluminum buyer in Q4 2025 was Arrowstreet Capital, an estimated $19.2M added.
  • The largest Kaiser Aluminum seller in Q4 2025 was Macquarie Group, an estimated $78M sold.

Based on aggregated 13F filings for Q4 2025.