Orion S.A. - Common Stock (OEC) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
OEC on NYSE
Shares outstanding
56,653,917
Price per share
$6.26
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
51,367,908
Total reported value
$271,294,657
% of total 13F portfolios
0%
Share change
-494,086
Value change
-$12,384,850
Number of holders
172
Price from insider filings
$6.26
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Orion S.A. - Common Stock (OEC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
PZENA INVESTMENT MANAGEMENT LLC 8.1% +30% $48,016,627 +$9,747,806 4,577,197 +25% PZENA INVESTMENT MANAGEMENT LLC 30 Jun 2025
T. Rowe Price Investment Management, Inc. 2.2% $15,429,070 1,262,608 T. Rowe Price Investment Management, Inc. 31 Dec 2024
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1.2% -83% $7,131,595 -$30,186,863 679,847 -81% WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 30 Jun 2025

As of 31 Dec 2025, 172 institutional investors reported holding 51,367,908 shares of Orion S.A. - Common Stock (OEC). This represents 91% of the company’s total 56,653,917 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Orion S.A. - Common Stock (OEC) together control 69% 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
PZENA INVESTMENT MANAGEMENT LLC 8.1% 4,582,596 -2.4% 0.07% $24,196,107
BlackRock, Inc. 7.1% 4,016,710 -5.5% 0% $21,208,229
Divisar Capital Management LLC 4.8% 2,742,356 +12% 4.1% $14,479,640
Harvey Partners, LLC 4.3% 2,409,415 -0.64% 1.1% $12,721,711
D. E. Shaw & Co., Inc. 4.2% 2,365,854 +26% 0.01% $12,491,709
AMERICAN CENTURY COMPANIES INC 4% 2,261,521 +5.8% 0.01% $11,940,831
DIMENSIONAL FUND ADVISORS LP 3.9% 2,201,339 -6.3% 0% $11,623,071
BROWN ADVISORY INC 3.7% 2,122,299 -13% 0.02% $11,205,740
VANGUARD GROUP INC 3.3% 1,884,523 -0.52% 0% $9,950,281
Invesco Ltd. 3.2% 1,807,965 +0.44% 0% $9,546,054
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2.5% 1,404,458 +20% 0% $7,415,538
MORGAN STANLEY 2.4% 1,363,041 +125% 0% $7,196,859
GEODE CAPITAL MANAGEMENT, LLC 2.4% 1,334,075 -0.41% 0% $7,045,364
STATE STREET CORP 2.1% 1,197,890 -12% 0% $6,345,918
AQR CAPITAL MANAGEMENT LLC 1.5% 874,279 +361% 0% $4,616,194
Minneapolis Portfolio Management Group, LLC 1.5% 846,185 -2.2% 0.51% $4,467,855
JPMORGAN CHASE & CO 1.5% 823,238 +15% 0% $4,346,697
FULLER & THALER ASSET MANAGEMENT, INC. 1.4% 797,905 +69% 0.01% $4,212,938
Qube Research & Technologies Ltd 1.2% 678,252 +12% 0.01% $3,581,171
Quinn Opportunity Partners LLC 1.1% 647,563 +56% 0.15% $3,419,133
Invenomic Capital Management LP 1.1% 642,789 +1.2% 0.16% $3,393,926
Lighthouse Investment Partners, LLC 1.1% 624,541 +24% 0.11% $3,297,576
RAYMOND JAMES FINANCIAL INC 1.1% 601,856 +52% 0% $3,177,797
MILLENNIUM MANAGEMENT LLC 0.86% 487,960 -11% 0% $2,576,429
CastleKnight Management LP 0.83% 471,941 +376% 0.14% $2,491,848

Institutional Holders of Orion S.A. - Common Stock (OEC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 51,367,908 $271,294,657 -$12,384,850 $5.28 172
2025 Q3 51,854,499 $393,045,059 -$11,513,822 $7.58 176
2025 Q2 52,280,111 $548,498,649 -$617,450 $10.49 190
2025 Q1 52,085,269 $673,500,275 -$31,857,890 $12.93 197
2024 Q4 54,253,317 $856,083,127 +$15,914,829 $15.79 184
2024 Q3 53,126,704 $945,979,479 -$26,181,229 $17.81 197
2024 Q2 53,963,259 $1,184,049,147 -$4,633,808 $21.94 194
2024 Q1 54,124,836 $1,273,115,241 -$13,217,742 $23.52 196
2023 Q4 54,450,481 $1,509,095,860 +$26,275,841 $27.73 192
2023 Q3 52,724,069 $1,121,678,850 -$11,795,730 $21.28 183
2023 Q2 53,207,825 $1,128,847,249 -$15,355,450 $21.22 194
2023 Q1 53,820,975 $1,403,876,323 -$35,001,526 $26.09 195
2022 Q4 55,933,848 $996,122,816 -$21,128,653 $17.81 170
2022 Q3 55,992,945 $747,488,415 -$42,458,189 $13.35 156
2022 Q2 54,006,240 $838,726,077 -$8,503,687 $15.53 166
2022 Q1 54,600,321 $870,543,319 +$22,072,334 $15.97 153
2021 Q4 53,411,530 $979,823,314 -$34,655,931 $18.36 150
2021 Q3 54,790,899 $998,913,275 +$42,347,759 $18.23 145
2021 Q2 54,665,579 $1,038,100,550 -$18,440,700 $18.99 149
2021 Q1 55,652,597 $1,096,620,421 +$26,381,013 $19.72 137
2020 Q4 54,527,649 $935,454,199 -$1,951,027 $17.14 133
2020 Q3 55,000,704 $689,527,893 +$31,247,265 $12.51 138
2020 Q2 52,812,509 $558,965,149 +$7,659,926 $10.59 135
2020 Q1 53,648,252 $400,100,837 -$30,804,782 $7.46 140
2019 Q4 56,328,076 $1,086,804,243 -$12,001,218 $19.30 127
2019 Q3 56,717,921 $947,741,249 -$39,522,032 $16.71 118
2019 Q2 57,936,302 $1,240,246,463 +$49,408,016 $21.41 122
2019 Q1 56,038,776 $1,064,191,956 -$7,429,453 $18.99 123
2018 Q4 55,639,066 $1,406,370,455 -$27,444,851 $25.28 138
2018 Q3 54,399,907 $1,742,973,695 -$4,021,368 $32.10 155
2018 Q2 54,506,128 $1,681,167,066 +$19,026,479 $30.85 145
2018 Q1 54,323,290 $1,472,156,151 -$41,961,535 $27.10 138
2017 Q4 55,213,393 $1,413,422,577 +$571,756,490 $25.60 121
2017 Q3 32,366,666 $726,457,255 +$234,536,508 $22.45 96
2017 Q2 22,100,004 $440,769,036 -$425,287 $19.95 81
2017 Q1 22,041,895 $452,054,379 +$98,982,035 $20.50 88
2016 Q4 16,820,610 $317,074,000 -$7,831,061 $18.85 66
2016 Q3 17,232,269 $322,852,283 -$1,070,694 $18.74 61
2016 Q2 17,329,892 $275,322,023 -$2,378,836 $15.89 61
2016 Q1 17,540,389 $247,520,170 -$164,690 $14.12 60
2015 Q4 17,685,612 $222,777,508 -$5,995,002 $12.60 58
2015 Q3 18,048,890 $260,816,551 -$21,818,797 $14.45 56
2015 Q2 16,686,181 $308,024,562 +$14,201,856 $18.46 63
2015 Q1 15,930,977 $286,729,000 -$46,159,118 $18.00 53
2014 Q4 18,558,320 $315,286,000 +$3,657,770 $16.99 49
2014 Q3 18,288,674 $322,247,000 +$308,102,003 $17.62 50