Koppers Holdings Inc. - Common Stock (KOP) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
KOP on NYSE
Shares outstanding
19,736,987
Price per share
$29.08
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
19,235,220
Total reported value
$520,908,015
% of total 13F portfolios
0%
Share change
+824,950
Value change
+$22,083,171
Number of holders
188
Price from insider filings
$29.08
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Koppers Holdings Inc. - Common Stock (KOP) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 18% -9% $91,179,298 -$9,837,356 3,591,150 -9.7% BlackRock, Inc. 31 Mar 2025
VANGUARD GROUP INC 7.8% -18% $43,105,580 -$10,710,532 1,539,485 -20% The Vanguard Group 30 Sep 2025
PZENA INVESTMENT MANAGEMENT LLC 6.1% $31,009,518 1,221,328 PZENA INVESTMENT MANAGEMENT LLC 31 Mar 2025

As of 31 Dec 2025, 188 institutional investors reported holding 19,235,220 shares of Koppers Holdings Inc. - Common Stock (KOP). This represents 97% of the company’s total 19,736,987 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Koppers Holdings Inc. - Common Stock (KOP) together control 79% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 19% 3,703,517 +1.5% 0% $100,291,240
VANGUARD GROUP INC 7.8% 1,540,012 +0.03% 0% $41,703,525
PZENA INVESTMENT MANAGEMENT LLC 6.1% 1,204,252 -3.6% 0.1% $32,611,144
DIMENSIONAL FUND ADVISORS LP 5.9% 1,173,525 -0.41% 0.01% $31,779,388
FULLER & THALER ASSET MANAGEMENT, INC. 5.1% 1,013,818 -8.6% 0.09% $27,454,196
LSV ASSET MANAGEMENT 4.8% 945,231 -0.96% 0.06% $25,597,000
Simcoe Capital Management, LLC 4.1% 813,590 3.9% $22,032,017
STATE STREET CORP 3.9% 764,324 -0.68% 0% $20,697,894
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2.9% 568,413 +4% 0% $15,392,624
Quaker Capital Investments, LLC 2.4% 474,865 +14% 3.3% $12,859,344
GEODE CAPITAL MANAGEMENT, LLC 2.3% 457,548 -1.8% 0% $12,391,654
AMERICAN CENTURY COMPANIES INC 2.1% 419,323 +28% 0.01% $11,355,267
AMERIPRISE FINANCIAL INC 1.4% 273,206 -2.7% 0% $7,398,426
NORTHERN TRUST CORP 1.2% 239,006 -5.1% 0% $6,472,284
Dana Investment Advisors, Inc. 1.2% 235,769 -0.13% 0.19% $6,384,625
Bank of New York Mellon Corp 1.2% 231,331 +16% 0% $6,264,451
Invesco Ltd. 1.1% 212,433 +0.11% 0% $5,752,685
Russell Investments Group, Ltd. 1.1% 210,209 +17% 0.01% $5,692,464
MORGAN STANLEY 1.1% 209,928 -4.6% 0% $5,684,884
TWO SIGMA INVESTMENTS, LP 0.99% 195,438 +11% 0.01% $5,292,461
CSM Advisors, LLC 0.9% 177,480 +27% 0.13% $4,806,000
HUNTINGTON NATIONAL BANK 0.83% 164,551 0% 0.03% $4,456,041
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.71% 140,128 -34% 0.08% $3,794,666
GOLDMAN SACHS GROUP INC 0.69% 136,080 +76% 0% $3,685,056
Universal- Beteiligungs- und Servicegesellschaft mbH 0.66% 129,820 0% 0.01% $3,515,526

Institutional Holders of Koppers Holdings Inc. - Common Stock (KOP) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 19,235,220 $520,908,015 +$22,083,171 $27.08 188
2025 Q3 18,507,137 $518,209,864 -$5,660,161 $28.00 199
2025 Q2 18,627,711 $598,877,738 -$760,404 $32.15 200
2025 Q1 18,891,781 $528,914,568 +$2,635,291 $28.00 183
2024 Q4 18,828,456 $609,984,843 +$7,056,774 $32.40 189
2024 Q3 18,525,468 $676,789,157 -$13,199,331 $36.53 189
2024 Q2 18,876,733 $698,242,581 -$44,042,919 $36.99 182
2024 Q1 19,774,424 $1,090,935,910 +$34,070,595 $55.17 181
2023 Q4 19,473,787 $997,438,772 +$26,285,871 $51.22 178
2023 Q3 19,014,747 $752,026,776 +$22,314,123 $39.55 169
2023 Q2 18,517,990 $631,482,261 +$304,904 $34.10 150
2023 Q1 18,452,090 $645,245,099 +$9,436,678 $34.97 151
2022 Q4 18,318,500 $516,695,507 -$5,311,612 $28.20 136
2022 Q3 18,603,210 $386,640,637 +$3,037,335 $20.78 130
2022 Q2 18,374,384 $415,940,204 -$12,375,595 $22.64 136
2022 Q1 18,963,927 $520,905,611 +$3,026,597 $27.52 135
2021 Q4 18,836,535 $589,499,922 -$25,888,411 $31.30 143
2021 Q3 19,615,887 $613,955,903 +$8,320,627 $31.26 134
2021 Q2 19,331,473 $624,970,191 +$12,286,359 $32.35 136
2021 Q1 18,931,223 $657,625,654 +$28,699,698 $34.76 144
2020 Q4 18,361,118 $572,975,412 +$9,123,660 $31.16 146
2020 Q3 18,269,502 $382,462,352 -$2,581,042 $20.91 135
2020 Q2 18,489,289 $348,034,013 +$10,676,649 $18.84 126
2020 Q1 18,821,967 $232,779,683 -$16,511,882 $12.37 135
2019 Q4 18,866,700 $720,913,842 +$21,196,429 $38.22 176
2019 Q3 18,513,727 $540,801,872 -$21,783,536 $29.21 153
2019 Q2 19,258,731 $565,318,026 +$5,324,152 $29.36 152
2019 Q1 19,364,312 $503,124,644 -$7,754,043 $25.98 141
2018 Q4 19,841,928 $338,071,439 +$13,818,136 $17.04 140
2018 Q3 18,382,394 $572,491,274 -$33,058,646 $31.15 154
2018 Q2 19,174,308 $735,330,997 -$7,112,002 $38.35 170
2018 Q1 19,343,996 $795,172,695 +$8,584,421 $41.10 176
2017 Q4 19,081,529 $971,019,457 +$2,663,249 $50.90 181
2017 Q3 18,975,623 $875,750,662 +$24,519,985 $46.15 176
2017 Q2 18,507,689 $669,093,063 -$17,742,485 $36.15 169
2017 Q1 18,898,799 $800,406,387 +$126,537,071 $42.35 173
2016 Q4 18,358,070 $739,745,292 +$14,882,086 $40.30 165
2016 Q3 18,009,889 $578,772,161 -$2,472,906 $32.18 148
2016 Q2 18,101,563 $556,316,297 -$4,678,080 $30.73 142
2016 Q1 18,408,358 $413,653,623 +$2,858,802 $22.47 142
2015 Q4 18,409,706 $335,813,121 -$2,258,718 $18.25 144
2015 Q3 18,358,534 $370,275,610 -$12,860,719 $20.17 137
2015 Q2 18,705,360 $462,378,893 -$13,678,208 $24.72 128
2015 Q1 19,422,370 $382,244,572 -$11,821,279 $19.68 106
2014 Q4 19,395,658 $503,901,305 -$2,721,333 $25.98 126
2014 Q3 19,280,862 $639,354,723 +$8,146,348 $33.16 138
2014 Q2 19,008,825 $726,753,355 +$22,966,214 $38.25 145
2014 Q1 18,901,238 $779,275,981 +$22,527,101 $41.23 151