| 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.
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 |
| 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 |