Stock Taper 
CHESLEY TAFT & ASSOCIATES LLC
Latest 13F filing data - Q2 2026
Holdings
(Top positions)| STOCK | TICKER | SHARES HELD▲ ▼ | VALUE▲ ▼ |
|---|---|---|---|
 Berkshire Hathaway Inc. | BRK-A | 2 | $1.5M |
 Monolithic Power Systems, Inc. | MPWR | 211 | $291.68K |
 Lumentum Holdings Inc. | LITE | 298 | $255.7K |
 Regeneron Pharmaceuticals, Inc. | REGN | 439 | $273.73K |
 Waters Corporation | WAT | 608 | $228.02K |
 Roper Technologies, Inc. | ROP | 705 | $238.56K |
 The Travelers Companies, Inc. | TRV | 709 | $233.94K |
 Norfolk Southern Corporation | NSC | 711 | $223.67K |
 General Dynamics Corporation | GD | 877 | $310.67K |
 The Goldman Sachs Group, Inc. | GS | 1.01K | $1.02M |
 Seagate Technology Holdings plc | STX | 1.02K | $982.37K |
 Vertex Pharmaceuticals Incorporated | VRTX | 1.08K | $537.46K |
 Jabil Inc. | JBL | 1.15K | $442.92K |
 Royal Caribbean Cruises Ltd. | RCL | 1.16K | $367.87K |
 Public Storage | PSA | 1.22K | $387.7K |
 D.R. Horton, Inc. | DHI | 1.27K | $206.53K |
 Marvell Technology, Inc. | MRVL | 1.31K | $389.94K |
 Cummins Inc. | CMI | 1.31K | $934.3K |
 DoorDash, Inc. | DASH | 1.39K | $256.87K |
 Coherent, Inc. | COHR | 1.55K | $611.82K |