OLYMPIC STEEL INC - Common Stock (ZEUS) Institutional Ownership

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

Type / Class
Equity / Common Stock
Symbol
ZEUS on Nasdaq
Shares outstanding
11,189,704
Price per share
$42.79
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
9,394,705
Total reported value
$286,043,694
% of total 13F portfolios
0%
Share change
+89,182
Value change
+$2,323,114
Number of holders
139
Price from insider filings
$42.79
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of OLYMPIC STEEL INC - Common Stock (ZEUS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 11% +8.5% $40,738,130 +$3,290,130 1,208,488 +8.8% BlackRock, Inc. 30 Sep 2025
BlackRock Portfolio Management LLC 8.9% +27% $32,435,295 +$6,886,332 995,253 +27% BlackRock Portfolio Management LLC 30 Jun 2025
DIMENSIONAL FUND ADVISORS LP 7.3% $25,802,608 810,638 Dimensional Fund Advisors LP 31 Dec 2024

As of 30 Sep 2025, 139 institutional investors reported holding 9,394,705 shares of OLYMPIC STEEL INC - Common Stock (ZEUS). This represents 84% of the company’s total 11,189,704 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of OLYMPIC STEEL INC - Common Stock (ZEUS) together control 68% 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. 20% 2,210,147 +1.8% 0% $67,298,977
DIMENSIONAL FUND ADVISORS LP 6.6% 743,828 -0.64% 0% $22,649,212
VANGUARD GROUP INC 5.4% 608,208 -1.4% 0% $18,519,934
ACADIAN ASSET MANAGEMENT LLC 3.5% 395,545 -1.9% 0.02% $12,040,000
AMERICAN CENTURY COMPANIES INC 3.5% 391,431 +7.3% 0.01% $11,919,074
MORGAN STANLEY 2.3% 257,850 -0.86% 0% $7,851,549
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2.3% 252,106 +43% 0% $7,676,628
AQR CAPITAL MANAGEMENT LLC 2.2% 249,852 +18% 0% $7,608,006
GEODE CAPITAL MANAGEMENT, LLC 2.2% 241,142 +0.03% 0% $7,344,144
GOLDMAN SACHS GROUP INC 2.1% 232,312 +33% 0% $7,073,901
JB CAPITAL PARTNERS LP 2% 222,499 0% 1.1% $6,775,095
STATE STREET CORP 1.9% 218,108 -2.1% 0% $6,641,389
Invenomic Capital Management LP 1.8% 203,312 0.32% $6,190,850
CSM Advisors, LLC 1.6% 177,180 -3.2% 0.15% $5,394,000
D. E. Shaw & Co., Inc. 1.4% 153,818 -2.1% 0% $4,683,759
Nuveen, LLC 1.2% 128,764 -24% 0% $3,920,864
MAI Capital Management 1.1% 125,856 0% 0.02% $3,832,316
BRIDGEWAY CAPITAL MANAGEMENT, LLC 1.1% 122,834 +7.4% 0.08% $3,740,295
BARCLAYS PLC 1.1% 117,770 -1.7% 0% $3,586,097
JACOBS LEVY EQUITY MANAGEMENT, INC 1.1% 117,728 -0.24% 0.01% $3,584,818
Bank of New York Mellon Corp 1% 115,630 -1.6% 0% $3,520,932
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.96% 107,507 +32% 0% $3,273,588
NORTHERN TRUST CORP 0.85% 95,403 -2.4% 0% $2,905,020
ALLIANCEBERNSTEIN L.P. 0.78% 86,890 +58% 0% $2,645,801
AMERIPRISE FINANCIAL INC 0.76% 84,601 +58% 0% $2,576,102

Institutional Holders of OLYMPIC STEEL INC - Common Stock (ZEUS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 13,252 $567,384 -$4,400,109 $42.79 9
2025 Q3 9,394,705 $286,043,694 +$2,323,114 $30.45 139
2025 Q2 9,285,684 $302,621,255 +$10,294,574 $32.59 137
2025 Q1 9,102,449 $286,897,806 -$12,198,428 $31.52 143
2024 Q4 9,467,473 $310,620,040 +$2,922,271 $32.81 156
2024 Q3 9,310,003 $363,120,375 +$13,042,586 $39.00 153
2024 Q2 9,602,562 $430,479,343 -$9,249,169 $44.83 148
2024 Q1 9,706,889 $688,003,353 +$1,719,545 $70.88 162
2023 Q4 9,681,439 $645,721,810 +$15,658,871 $66.70 156
2023 Q3 9,456,605 $531,516,275 +$11,916,692 $56.21 154
2023 Q2 9,304,569 $455,916,984 +$5,563,358 $49.00 147
2023 Q1 9,140,557 $477,203,222 +$17,081,708 $52.21 151
2022 Q4 8,862,017 $297,575,594 +$6,138,925 $33.58 118
2022 Q3 8,680,144 $197,990,442 -$2,484,538 $22.81 109
2022 Q2 8,739,159 $225,048,934 -$3,148,652 $25.75 116
2022 Q1 8,770,992 $336,700,369 +$17,342,590 $38.46 120
2021 Q4 8,451,851 $198,350,326 +$8,918,293 $23.50 102
2021 Q3 7,904,829 $192,606,087 -$1,249,981 $24.36 100
2021 Q2 7,908,019 $232,482,214 +$1,974,032 $29.39 114
2021 Q1 7,837,915 $230,742,594 +$12,954,562 $29.45 107
2020 Q4 7,404,698 $98,850,028 +$1,059,169 $13.33 86
2020 Q3 7,333,509 $83,264,230 +$1,602,571 $11.36 80
2020 Q2 7,174,332 $84,042,940 -$1,595,066 $11.75 81
2020 Q1 7,336,275 $75,914,125 -$2,501,874 $10.35 93
2019 Q4 7,505,272 $134,438,548 +$6,044,502 $17.92 93
2019 Q3 7,181,397 $103,412,004 -$510,322 $14.40 97
2019 Q2 7,238,615 $98,810,877 +$1,105,933 $13.65 101
2019 Q1 7,265,392 $115,300,786 -$175,772 $15.87 108
2018 Q4 7,278,403 $103,843,480 -$1,291,480 $14.27 104
2018 Q3 7,207,039 $150,405,719 -$2,192,429 $20.87 100
2018 Q2 7,394,302 $150,936,582 +$5,712,719 $20.41 97
2018 Q1 7,117,508 $146,010,179 -$2,665,248 $20.51 103
2017 Q4 7,225,326 $155,293,791 -$4,976,495 $21.49 102
2017 Q3 7,450,539 $163,896,066 +$1,953,852 $22.00 94
2017 Q2 7,430,053 $144,681,459 -$9,736,848 $19.48 105
2017 Q1 7,963,007 $147,798,659 +$13,783,967 $18.56 110
2016 Q4 8,132,603 $197,117,211 -$797,000 $24.23 122
2016 Q3 8,286,175 $183,122,841 +$5,360,484 $22.10 108
2016 Q2 7,957,099 $217,287,327 +$27,621,587 $27.31 119
2016 Q1 7,159,841 $123,931,494 +$63,438 $17.31 96
2015 Q4 7,175,477 $83,087,700 +$1,948,367 $11.58 89
2015 Q3 7,147,588 $71,115,965 -$5,818,524 $9.95 95
2015 Q2 7,597,038 $132,496,678 +$297,648 $17.44 96
2015 Q1 7,729,336 $104,047,868 -$433,518 $13.46 82
2014 Q4 7,694,987 $136,811,243 -$2,312,425 $17.78 84
2014 Q3 7,829,388 $161,045,259 -$2,558,065 $20.57 97
2014 Q2 7,891,077 $195,219,686 -$2,401,550 $24.75 100
2014 Q1 7,967,637 $228,667,966 +$677,630 $28.70 109