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POSCO
PKX

139 hedge funds and large institutions have $369M invested in POSCO in 2025 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 58 increasing their positions, 34 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed

120% more call options, than puts

Call options by funds: $2.46M | Put options by funds: $1.12M

71% more repeat investments, than reductions

Existing positions increased: 58 | Existing positions reduced: 34

6% more capital invested

Capital invested by funds: $348M → $369M (+$21.7M)

0.1% more ownership

Funds ownership: 2.21% → 2.32% (+0.1%)

9% less first-time investments, than exits

New positions opened: 21 | Existing positions closed: 23

2% less funds holding

Funds holding: 142 → 139 (-3)

Holders
139
Holders Change
-3
Holders Change %
-2.11%
% of All Funds
1.82%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
21
Increased
58
Reduced
34
Closed
23
Calls
$2.46M
Puts
$1.12M
Net Calls
+$1.34M
Net Calls Change
+$790K

Top Buyers

Rank Fund Capital Flow
1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$9.7M
2
BlackRock
BlackRock
New York
+$8.3M
3
American Century Companies
American Century Companies
Missouri
+$3.67M
4
Citadel Advisors
Citadel Advisors
Florida
+$2.86M
5
Marshall Wace
Marshall Wace
United Kingdom
+$2.66M

Top Sellers

Rank Fund Capital Flow
1
OCM
Ovata Capital Management
Hong Kong
-$4.61M
2
Northern Trust
Northern Trust
Illinois
-$3.89M
3
HSBC Holdings
HSBC Holdings
United Kingdom
-$3.13M
4
UBS Group
UBS Group
Switzerland
-$2.73M
5
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$1.03M
Name Holding Trade Value Shares
Change 		Change in
Stake
RhumbLine Advisers
26
RhumbLine Advisers
Massachusetts
$1.8M -$201K -3,732 -9%
VPIM
27
Vanguard Personalized Indexing Management
California
$1.78M +$93.9K +1,741 +5%
DekaBank Deutsche Girozentrale
28
DekaBank Deutsche Girozentrale
Germany
$1.75M – – –
Citigroup
29
Citigroup
New York
$1.75M +$58.4K +1,082 +3%
Millennium Management
30
Millennium Management
New York
$1.73M -$492K -9,117 -21%
OSAM
31
O'Shaughnessy Asset Management
Connecticut
$1.67M +$113K +2,097 +7%
Mackenzie Financial
32
Mackenzie Financial
Ontario, Canada
$1.52M +$1.66M +30,830 New
YCM
33
Yousif Capital Management
Michigan
$1.41M +$53.9K +1,000 +4%
Corient Private Wealth
34
Corient Private Wealth
Florida
$1.27M +$66.5K +1,233 +5%
Ohio Public Employees Retirement System (OPERS)
35
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.25M +$602K +11,154 +78%
RIA
36
Recurrent Investment Advisors
Texas
$1.23M – – –
OCBCO
37
Oversea-Chinese Banking Corp (OCBC)
Singapore
$1.21M +$664K +12,310 +100%
Two Sigma Investments
38
Two Sigma Investments
New York
$1.07M +$102K +1,896 +10%
Jane Street
39
Jane Street
New York
$1.05M +$1.15M +21,282 New
Cerity Partners
40
Cerity Partners
New York
$1.01M +$55.7K +1,032 +5%
SFA
41
Sequoia Financial Advisors
Ohio
$979K +$120K +2,231 +13%
Bank of America
42
Bank of America
North Carolina
$967K -$376K -6,979 -26%
Schroder Investment Management Group
43
Schroder Investment Management Group
United Kingdom
$841K -$71.9K -1,333 -7%
ClearBridge Investments
44
ClearBridge Investments
New York
$837K -$439K -8,146 -32%
PNC Financial Services Group
45
PNC Financial Services Group
Pennsylvania
$800K +$115K +2,124 +15%
S
46
SignatureFD
Georgia
$794K +$32.5K +603 +4%
IC
47
IEQ Capital
California
$783K +$477K +8,841 +125%
N
48
Nuveen
North Carolina
$766K -$15.2K -282 -2%
VT
49
Vise Technologies
New York
$749K -$43.1K -800 -5%
Mariner
50
Mariner
Kansas
$715K +$92.6K +1,718 +13%
1
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PKX Hedge Fund Activity: Q3 2025 in Review

139 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in POSCO (PKX) for Q3 2025, worth a combined $369M — up 6.2% from $348M a quarter earlier.

Sellers outnumbered buyers: 23 funds closed out of PKX and 21 opened new positions — a net loss of 2 holders — while 34 trimmed existing stakes and 58 added.

The largest buyer was Arrowstreet Capital, opening a new position worth an estimated $9.7M. The largest seller was Ovata Capital Management, exiting entirely with an estimated $4.61M sold.

  • 139 institutional investors held POSCO (PKX) as of Q3 2025, down from 142 in Q2 2025.
  • Funds reported $369M of POSCO stock for Q3 2025, up 6.2% quarter-over-quarter.
  • 21 funds opened new POSCO positions in Q3 2025 and 23 closed out, a net change of -2 holders.
  • The largest POSCO buyer in Q3 2025 was Arrowstreet Capital, an estimated $9.7M added.
  • The largest POSCO seller in Q3 2025 was Ovata Capital Management, an estimated $4.61M sold.

Based on aggregated 13F filings for Q3 2025.