Chesley Taft & Associates LLC
Source: SEC Form 13F · as of Mar 2026Chesley Taft & Associates LLC holds 18 biotech & pharma companies tracked by BioSniper, totaling $160.1M in value as of Mar 2026 (SEC Form 13F).
Companies held
18
Total value held
$160.1M
| Company | Shares | Value |
|---|---|---|
| JNJJOHNSON & JOHNSON | 210,712 | $51.5M |
| ABTABBOTT LABORATORIES | 242,629 | $24.9M |
| LLYELI LILLY & Co | 20,424 | $18.8M |
| AZNASTRAZENECA PLC | 78,802 | $15.5M |
| MRKMerck & Co., Inc. | 58,833 | $7.1M |
| AMGNAMGEN INC | 20,088 | $7.1M |
| UNHUnitedHealth Group Incorporated Common Stock (DE) | 24,947 | $6.8M |
| PFEPFIZER INC | 203,828 | $5.7M |
| NVSNovartis AG | 32,730 | $5.0M |
| MCKMcKesson Corporation | 5,164 | $4.5M |
| ABBVAbbVie Inc. | 20,111 | $4.4M |
| ZTSZoetis Inc. | 33,198 | $3.9M |
| PMPhilip Morris International Inc | 10,788 | $1.8M |
| GMOptec International, Inc. | 15,158 | $1.1M |
| GILDGILEAD SCIENCES, INC. | 7,335 | $1.0M |
| VRTXVERTEX PHARMACEUTICALS INC / MA | 869 | $388K |
| REGNREGENERON PHARMACEUTICALS, INC. | 437 | $338K |
| BMYBRISTOL MYERS SQUIBB CO | 5,399 | $327K |
13F holdings reflect long positions in U.S.-listed securities as reported to the SEC. Values are point-in-time for the most recent reported quarter.