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Koppers

200 hedge funds and large institutions have $518M invested in Koppers in 2025 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 74 increasing their positions, 66 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

12% more repeat investments, than reductions

Existing positions increased: 74 | Existing positions reduced: 66

0.67% more ownership

Funds ownership: 93.13%93.79% (+0.67%)

8% less first-time investments, than exits

New positions opened: 24 | Existing positions closed: 26

1% less funds holding

Funds holding: 203200 (-3)

14% less capital invested

Capital invested by funds: $599M → $518M (-$81.3M)

100% less call options, than puts

Call options by funds: $2K | Put options by funds: $419K

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
200
Holders Change
-3
Holders Change %
-1.48%
% of All Funds
2.62%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
24
Increased
74
Reduced
66
Closed
26
Calls
$2K
Puts
$419K
Net Calls
-$417K
Net Calls Change
+$248K
Name Holding Trade Value Shares
Change
Change in
Stake
Susquehanna International Group
201
Susquehanna International Group
Pennsylvania
-$883K -28,688 Closed
GCP
202
GSA Capital Partners
United Kingdom
-$897K -27,898 Closed
Baird Financial Group
203
Baird Financial Group
Wisconsin
-$788K -24,510 Closed
SIM
204
SummerHaven Investment Management
Connecticut
-$740K -23,016 Closed
SBH
205
Segall Bryant & Hamill
Illinois
-$696K -21,643 Closed
XT
206
XTX Topco
Cayman Islands
-$656K -20,417 Closed
HI
207
Horizon Investments
North Carolina
-$587K -18,243 Closed
PAM
208
Panagora Asset Management
Massachusetts
-$525K -16,324 Closed
SA
209
Sanctuary Advisors
Indiana
-$490K -15,233 Closed
HSBC Holdings
210
HSBC Holdings
United Kingdom
-$469K -14,681 Closed
Walleye Capital
211
Walleye Capital
New York
-$399K -12,403 Closed
NRD
212
Nebula Research & Development
New York
-$378K -11,756 Closed
PTC
213
Petrus Trust Company
Texas
-$262K -8,157 Closed
B
214
Bailard
California
-$257K -8,000 Closed
YCM
215
Yousif Capital Management
Michigan
-$242K -7,523 Closed
DCM
216
DGS Capital Management
New Jersey
-$232K -7,203 Closed
Manulife (Manufacturers Life Insurance)
217
Manulife (Manufacturers Life Insurance)
Ontario, Canada
-$231K -7,170 Closed
SFA
218
Sequoia Financial Advisors
Ohio
-$228K -7,084 Closed
N
219
Numerai
California
-$228K -7,077 Closed
Walleye Trading
220
Walleye Trading
New York
-$69.2K -2,151 Closed
QT
221
Quantbot Technologies
New York
-$68.5K -2,130 Closed
BIG
222
Brooklyn Investment Group
New York
-$6.69K -208 Closed
MCM
223
MAI Capital Management
Ohio
-$1.9K -59 Closed
AssetMark Inc
224
AssetMark Inc
California
-$225 -7 Closed
GC
225
Garde Capital
Washington
-$161 -5 Closed

KOP Hedge Fund Activity: Q3 2025 in Review

200 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Koppers (KOP) for Q3 2025, worth a combined $518M — down 14% from $599M a quarter earlier.

Sellers outnumbered buyers: 26 funds closed out of KOP and 24 opened new positions — a net loss of 2 holders — while 66 trimmed existing stakes and 74 added.

The largest buyer was American Century Companies, adding an estimated $4.31M. The largest seller was Vanguard Group, cutting an estimated $11M.

  • 200 institutional investors held Koppers (KOP) as of Q3 2025, down from 203 in Q2 2025.
  • Funds reported $518M of Koppers stock for Q3 2025, down 14% quarter-over-quarter.
  • 24 funds opened new Koppers positions in Q3 2025 and 26 closed out, a net change of -2 holders.
  • The largest Koppers buyer in Q3 2025 was American Century Companies, an estimated $4.31M added.
  • The largest Koppers seller in Q3 2025 was Vanguard Group, an estimated $11M sold.

Based on aggregated 13F filings for Q3 2025.