| 8101 | PACE | PACE HLDGS CORP | 1 | 0.2% | $15.0M | – | Q4 2016 |
| 8102 | ARNGF | ARGONAUT GOLD INC. | 1 | 0.5% | $210.8M | – | Q1 2024 |
| 8103 | PA | D PANAMSAT HOLDING CORP COM COMMON | 1 | 1.4% | $44.7M | – | Q2 2005 |
| 8104 | P105PS | INTEGRYS ENERGY GROUP INC | 1 | 0.0% | $2.0M | – | Q4 2008 |
| 8105 | OZON | OZON HLDGS PLC | 1 | 0.4% | $798.4M | – | Q1 2023 |
| 8106 | ABBC | ABINGTON BANCORP INC | 1 | 0.1% | $2.3M | – | Q3 2011 |
| 8107 | OXSQ | OXFORD SQUARE CAP CORP | 1 | 0.0% | $36K | – | Q4 2020 |
| 8108 | OWL | BLUE OWL CAPITAL INC | 1 | 0.1% | $208.0M | – | Q4 2025 |
| 8109 | ARPI | American Residential Properties, Inc. | 1 | 0.0% | $74.5M | – | Q4 2015 |
| 8110 | ARPJQ | D ATLAS RESOURCE PARTNERS LP COM UNT LTD | 1 | 0.0% | $7.6M | – | Q3 2012 |
| 8111 | OVEN | D TURBOCHEF TECHNOLOGIES INC COMMON | 1 | 0.2% | $5.2M | – | Q3 2005 |
| 8112 | OVAS | OVASCIENCE INC | 1 | 0.3% | $77.8M | – | Q3 2016 |
| 8113 | OUST | OUSTER INC | 1 | 0.1% | $2.8M | – | Q1 2025 |
| 8114 | OTRK | ONTRAK INC | 1 | 0.5% | $115.0M | – | Q4 2020 |
| 8115 | OTLK | OUTLOOK THERAPEUTICS INC | 1 | 0.0% | $14K | – | Q1 2023 |
| 8116 | OTL | OCTEL CORP | 1 | 6.8% | $124.2M | – | Q1 2002 |
| 8117 | ARPO | AERPIO PHARMACEUTICALS INC | 1 | 0.1% | $1.3M | – | Q1 2021 |
| 8118 | ARQ | ARQ INC | 1 | 0.0% | $1.2M | – | Q3 2025 |
| 8119 | OSIR | OSIRIS THERAPEUTICS INC NEW | 1 | 0.0% | $1.8M | – | Q4 2016 |
| 8120 | OSHWQ | ORCHARD SUPPLY HARDWARE STORES | 1 | 0.1% | $41.7M | – | Q1 2013 |
| 8121 | OSH | OAK STR HEALTH INC | 1 | 0.0% | $7.6M | – | Q4 2021 |
| 8122 | ARQL | D ARQULE INC | 1 | 0.1% | $886.5M | – | Q2 2019 |
| 8123 | OSCIQ | OSCIENT PHARMACEUTICALS CORP | 1 | 0.0% | $14K | – | Q1 2009 |
| 8124 | ORXXXX | OSISKO GOLD ROYALTIES LTD | 1 | 0.1% | $291.9M | – | Q3 2018 |
| 8125 | ORTX | ORCHARD THERAPEUTICS PLC | 1 | 0.1% | $74.6M | – | Q2 2020 |
| 8126 | ORN | ORION GROUP HLDGS INC | 1 | 0.0% | $17.6M | – | Q4 2024 |
| 8127 | ARRSXXXX | ARRIS GROUP INC NEW | 1 | 0.1% | $630.6M | – | Q3 2013 |
| 8128 | ORKA | ORUKA THERAPEUTICS INC | 1 | 0.2% | $132.1M | – | Q4 2025 |
| 8129 | ARRXXXX | ARMOUR RESIDENTIAL REIT INC | 1 | 0.0% | $1.3M | – | Q1 2014 |
| 8130 | ORGOW | ORGANOGENESIS HLDGS INC | 1 | 0.0% | $107K | – | Q4 2018 |
| 8131 | ORGO | ORGANOGENESIS HLDGS INC | 1 | 0.0% | $1.5M | – | Q4 2022 |
| 8132 | ORGC | ORGANIC ALLIANCE INC | 1 | – | $0 | – | Q3 2022 |
| 8133 | OREXXXXX | D OREXIGEN THERAPEUTICS INC | 1 | 0.0% | $3.6M | – | Q2 2010 |
| 8134 | OREO | AMERICAN LIBERTY PETROL CO | 1 | 0.0% | $1K | – | Q4 2012 |
| 8135 | ORCT | D ORCKIT COMMUNICATIONS INC COMMON | 1 | 0.6% | $21.3M | – | Q2 2006 |
| 8136 | ORC | ORCHID ISLAND CAPITAL INC | 1 | 0.0% | $77K | $6.97 | Q2 2025 |
| 8137 | ORBS | EIGHTCO HOLDINGS INC | 1 | 0.0% | $100K | – | Q3 2025 |
| 8138 | ORBC | ORBCOMM INC | 1 | 0.9% | $19.8M | – | Q1 2007 |
| 8139 | ORAGFXXXX | OREMEX RESOURCES INC | 1 | 0.0% | $7K | – | Q1 2008 |
| 8140 | ARS | ALERIS INTERNATIONAL INC | 1 | 0.1% | $74.0M | – | Q3 2006 |
| 8141 | OPTR | OPTIMER PHARMACEUTICALS INC | 1 | 0.0% | $2.0M | – | Q3 2013 |
| 8142 | OPTI | SCIENTIFIC INC OPTI INC | 1 | 0.3% | $12.3M | – | Q1 2003 |
| 8143 | OPSW | D OPSWARE INC COMMON | 1 | 0.5% | $19.3M | – | Q2 2005 |
| 8144 | OPST | OPT Sciences | 1 | 0.0% | $1.5M | – | Q2 2006 |
| 8145 | ART | Artio Global/art | 1 | 0.1% | $3.4M | – | Q4 2012 |
| 8146 | ARTC | ARTHROCARE CORP | 1 | 0.3% | $14.2M | – | Q1 2008 |
| 8147 | ARTG | D ART TECHNOLOGY GROUP INC | 1 | 0.1% | $9.9M | – | Q4 2010 |
| 8148 | OPB | OPUS BK IRVINE CALIF | 1 | 0.1% | $30.6M | – | Q1 2017 |
| 8149 | OOMA | OOMA INC | 1 | 0.0% | $2.4M | – | Q4 2022 |
| 8150 | OO | OAKLEY INC | 1 | 0.0% | $3.9M | – | Q4 2003 |