| 5501 | PTOP | PEER TO PEER NETWORK | 1 | – | $0 | – | Q3 2018 |
| 5502 | PTRAQ | PROTERRA INC | 1 | 0.0% | $133K | – | Q4 2021 |
| 5503 | PTRAW | PROTERRA INC | 1 | 0.0% | $487K | – | Q3 2021 |
| 5504 | PTTN | PATTEN ENERGY SOLUTIONS GROUP | 1 | – | $0 | – | Q4 2020 |
| 5505 | PTXKY | PT XL AXIATA TBK ADR | 1 | 0.0% | $259K | – | Q1 2017 |
| 5506 | PTY | PIMCO CORPORATE OPPORTUNITY | 1 | 0.0% | $287K | – | Q4 2005 |
| 5507 | PTZ | Pulitzer Inc. | 1 | 1.2% | $21.9M | – | Q4 2000 |
| 5508 | PUBGY | PUBLICIS GROUPE-ADR | 1 | 0.0% | $78.0M | – | Q1 2008 |
| 5509 | PUGE | PUGET TECHNOLOGIES INC | 1 | – | $0 | – | Q1 2022 |
| 5510 | PULS | PGIM ETF TR ULTRA SHORT | 1 | 0.0% | $201K | – | Q3 2018 |
| 5511 | PURA | PURATION INC | 1 | – | $0 | – | Q1 2022 |
| 5512 | APES | ACCUFACTS PRE-EMPLOYMENT SCR | 1 | 0.0% | $29K | – | Q4 2002 |
| 5513 | APDN | APPLIED DNA SCIENCES INC | 1 | 0.0% | $5K | – | Q3 2014 |
| 5514 | APAPRD | APACHE CORP PFD CONV SER | 1 | 0.2% | $1.5M | – | Q1 2011 |
| 5515 | PVT | PIVOTAL ACQUISITION CORP | 1 | 0.0% | $1.0M | – | Q3 2019 |
| 5516 | PVTB | PRIVATEBANCORP INC | 1 | 0.1% | $470.0M | – | Q2 2016 |
| 5517 | PVTL | PIVOTAL SOFTWARE INC | 1 | 0.1% | $119.1M | – | Q2 2019 |
| 5518 | PVTU | PIVOTAL ACQUISITION CORP | 1 | 0.0% | $15.0M | – | Q3 2019 |
| 5519 | PWAV | D POWERWAVE TECHNOLOGIES INC COMMON | 1 | 1.4% | $7.2M | – | Q3 2002 |
| 5520 | PWB | INVESCO EXCHANGE TRADED FD TR | 1 | 0.0% | $1.0M | – | Q2 2025 |
| 5521 | PWCDF | Power Corp. of Canada Foreign | 1 | 0.0% | $95.6M | – | Q4 2009 |
| 5522 | PWEI | D PW EAGLE INC COMMON | 1 | 0.8% | $11.8M | – | Q2 2006 |
| 5523 | PWLM | PAN WORLD MINERALS INTL INC CO | 1 | – | $0 | – | Q3 2016 |
| 5524 | PWPIF | Penn West Petroleum Ltd | 1 | 0.1% | $89.9M | – | Q3 2003 |
| 5525 | RC | READY CAPITAL CORP | 1 | 0.0% | $116K | – | Q3 2024 |
| 5526 | PWSC | POWERSCHOOL HOLDINGS INC CLAS | 1 | 0.0% | $5K | – | Q3 2023 |
| 5527 | PWVXXXX | POWERSHARES ETF TRUST DYNM LRG | 1 | 0.0% | $30.2M | – | Q1 2018 |
| 5528 | PXEXXXX | POWERSHARES ETF TRUST DYN EN E | 1 | 0.0% | $5.5M | – | Q1 2018 |
| 5529 | PXR | PAXAR CORP | 1 | 0.1% | $145.8M | – | Q1 2007 |
| 5530 | PXYN | PRAXSYN CORP | 1 | 0.0% | $30K | – | Q3 2018 |
| 5531 | AOPIF | Aeroplan Income Fund COMMON | 1 | 0.5% | $20.1M | – | Q3 2006 |
| 5532 | PYXSQ | PYXUS INTERNATIONAL | 1 | 0.4% | $61.0M | – | Q4 2019 |
| 5533 | PZAKY | POWSZECHNY ZAKLAD UBEZPIEC ADR | 1 | 0.0% | $128K | – | Q1 2018 |
| 5534 | PZE | PETROBRAS ARGENTINA SA | 1 | 0.5% | $314K | – | Q4 2013 |
| 5535 | PZGXXXX | PARAMOUNT GOLD AND SILVER | 1 | 0.0% | $137K | – | Q4 2010 |
| 5536 | PZOO | PAZOO INC | 1 | – | $0 | – | Q3 2021 |
| 5537 | PZZ | D PROSPECT MEDICAL HOLDINGS IN | 1 | 0.0% | $3.1M | – | Q3 2010 |
| 5538 | PZZI | D PIZZA INN INC NEW | 1 | 0.0% | $50K | – | Q3 2010 |
| 5539 | AONE | ONE | 1 | 0.2% | $13.0M | – | Q2 2021 |
| 5540 | QADA | QAD INC | 1 | 0.2% | $350.2M | – | Q2 2021 |
| 5541 | QADB | QAD INC | 1 | 0.0% | $2.8M | – | Q2 2021 |
| 5542 | QBIT | QUANTUM BIT INDUCTION TECHNO | 1 | – | $0 | – | Q3 2007 |
| 5543 | QEE | QUEENSTAKE RESOURCES LTD | 1 | 0.0% | $10K | – | Q1 2007 |
| 5544 | QEP | QEP RES INC | 1 | 2.0% | $2.9M | – | Q1 2014 |
| 5545 | QGENXXXX | QIAGEN NV | 1 | 0.1% | $242.7M | – | Q4 2016 |
| 5546 | QHCCQ | QUORUM HEALTH CORP | 1 | 0.2% | $82.4M | – | Q3 2017 |
| 5547 | QID | PROSHARES TR PSHS ULTSHRT | 1 | 0.4% | $4.7M | – | Q1 2012 |
| 5548 | QIPT | QUIPT HOME MEDICAL CORP | 1 | 0.0% | $17.5M | – | Q1 2024 |
| 5549 | QLTI | QLT INC | 1 | 0.0% | $625K | – | Q1 2015 |
| 5550 | QOIL | QUEST OIL CORP | 1 | – | $0 | – | Q2 2022 |