Stock Taper 
SIMPLEX TRADING, LLC
Latest 13F filing data - Q2 2026
Holdings
(Top positions)| STOCK | TICKER | SHARES HELD▲ ▼ | VALUE▲ ▼ |
|---|---|---|---|
 Teradyne, Inc. | TER | 3.41K | $1.65M |
 Unum Group | UNM | 3.4K | $304.23K |
 Standex International Corporation | SXI | 3.4K | $1.21M |
 AMC Global Media Inc. | AMCX | 3.39K | $33.87K |
 Lincoln Educational Services Corporation | LINC | 3.38K | $168.76K |
 Viant Technology Inc. | DSP | 3.35K | $42.44K |
 Flowers Foods, Inc. | FLO | 3.32K | $26.22K |
 Titan Machinery Inc. | TITN | 3.31K | $69.97K |
 Canadian National Railway Company | CNI | 3.31K | $394.68K |
 Advanced Drainage Systems, Inc. | WMS | 3.28K | $514.67K |
 NerdWallet, Inc. | NRDS | 3.27K | $30.29K |
 MercadoLibre, Inc. | MELI | 3.25K | $5.51M |
 Targa Resources Corp. | TRGP | 3.22K | $862.87K |
 The Home Depot, Inc. | HD | 3.19K | $1.13M |
 Pool Corporation | POOL | 3.19K | $684.89K |
 AdvanSix Inc. | ASIX | 3.19K | $63.34K |
 Regeneron Pharmaceuticals, Inc. | REGN | 3.17K | $1.98M |
 Power Solutions International, Inc. | PSIX | 3.17K | $123.28K |
 Merit Medical Systems, Inc. | MMSI | 3.16K | $218.97K |
 Protagonist Therapeutics, Inc. | PTGX | 3.15K | $386K |