Institutional Manager · CIK 0001053914
PUZO MICHAEL J
BOSTON, MA · File #028-06165
Latest AUM
$367.3M
Positions
371
Top-10 Concentration
37.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | BERKSHIRE HATHAWAY CL A | BRK-A | -1 | -$754,800 | +$6,000 |
| REDUCE | NVIDIA CORP | NVDA | -795 | -$148,267 | -$76 |
| NEW | BROADCOM INC | AVGO | +400 | +$138,440 | $0 |
| ADD | VISA | V | +350 | +$122,749 | +$1,399 |
| ADD | APTARGROUP | ATR | +910 | +$110,984 | -$5,148 |
| EXITED | NOVO NORDISK A S ADR | 670100205 | -2,000 | -$110,980 | $0 |
| REDUCE | WAL-MART STORES | WMT | -750 | -$83,557 | +$69,304 |
| ADD | META PLATFORMS INC | META | +75 | +$49,507 | -$7,429 |
| REDUCE | CARRIER GLOBAL | CARR | -775 | -$40,954 | -$5,622 |
| REDUCE | FISERV | FISV | -485 | -$32,577 | -$42,306 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025371 pos · $367.3M
- 13F HOLDINGS REPORTQ/E Sep 2025377 pos · $366.6M
- 13F HOLDINGS REPORTQ/E Jun 2025316 pos · $351.0M
- 13F HOLDINGS REPORTQ/E Mar 2025322 pos · $349.0M
- 13F HOLDINGS REPORTQ/E Dec 2024274 pos · $357.7M
- 13F HOLDINGS REPORTQ/E Sep 2024282 pos · $382.5M
- 13F HOLDINGS REPORTQ/E Jun 2024283 pos · $360.3M
- 13F HOLDINGS REPORTQ/E Mar 2024293 pos · $360.8M
- 13F HOLDINGS REPORTQ/E Dec 2023290 pos · $294.8M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ALPHABET INC CL A | GOOG | 41,521 | $13.0M | 5.71% |
| 2 | APPLE | AAPL | 40,560 | $11.0M | 4.85% |
| 3 | NVIDIA CORP | NVDA | 54,225 | $10.1M | 4.45% |
| 4 | MICROSOFT | MSFT | 17,737 | $8.6M | 3.77% |
| 5 | MASTERCARD | MA | 13,419 | $7.7M | 3.37% |
| 6 | ANALOG DEVICES | ADI | 27,007 | $7.3M | 3.22% |
| 7 | BERKSHIRE HATHAWAY CL A | BRK-A | 9 | $6.8M | 2.99% |
| 8 | RTX CORPORATION | RTX | 36,761 | $6.7M | 2.96% |
| 9 | JOHNSON AND JOHNSON | JNJ | 31,667 | $6.6M | 2.88% |
| 10 | AMAZON.COM | AMZN | 27,615 | $6.4M | 2.80% |
| 11 | ABBOTT LABS | ABLZF | 49,682 | $6.2M | 2.74% |
| 12 | TJX COS | 872540109 | 39,144 | $6.0M | 2.64% |
| 13 | ADVANCED MICRO DEVICES | AMD | 26,768 | $5.7M | 2.52% |
| 14 | DANAHER CORP | 235851102 | 23,947 | $5.5M | 2.41% |
| 15 | ROCKWELL AUTOMATION | ROK | 14,002 | $5.4M | 2.40% |
| 16 | ALPHABET INC CL A | GOOG | 17,040 | $5.3M | 2.35% |
| 17 | PROCTER & GAMBLE | 742718109 | 35,160 | $5.0M | 2.22% |
| 18 | AUTOMATIC DATA PROCESSING | ADP | 19,163 | $4.9M | 2.17% |
| 19 | SCHNEIDER ELEC SA ADR | 80687P106 | 87,520 | $4.8M | 2.11% |
| 20 | NVIDIA CORP | NVDA | 25,480 | $4.8M | 2.09% |