Institutional Manager · CIK 0001134288
DE BURLO GROUP INC
BOSTON, MA · File #028-06607
Latest AUM
$823.9M
Positions
79
Top-10 Concentration
47.4%
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 |
|---|---|---|---|---|---|
| ADD | ALPHABET INC | GOOG | +122,725 | +$38.4M | +$1.5M |
| NEW | ISHARES TR | 464287655 | +136,020 | +$33.5M | $0 |
| REDUCE | TERADYNE INC | TER | -166,575 | -$32.2M | +$9.7M |
| REDUCE | ASML HOLDING N V | ASMLF | -20,575 | -$22.0M | +$2.4M |
| REDUCE | META PLATFORMS INC | META | -33,120 | -$21.9M | -$3.9M |
| NEW | ROPER TECHNOLOGIES INC | ROP | +31,585 | +$14.1M | $0 |
| ADD | NETFLIX INC | NFLX | +115,574 | +$10.8M | -$25.2M |
| ADD | INTUIT | INTU | +15,925 | +$10.5M | -$542,677 |
| NEW | SYNOPSYS INC | SNPS | +18,000 | +$8.5M | $0 |
| REDUCE | KKR & CO INC | KKRT | -57,500 | -$7.3M | -$377,169 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202579 pos · $823.9M
- 13F HOLDINGS REPORTQ/E Sep 202578 pos · $829.9M
- 13F HOLDINGS REPORTQ/E Jun 202580 pos · $759.1M
- 13F HOLDINGS REPORTQ/E Mar 202577 pos · $677.3M
- 13F HOLDINGS REPORTQ/E Dec 202477 pos · $749.3M
- 13F HOLDINGS REPORTQ/E Sep 202481 pos · $812.1M
- 13F HOLDINGS REPORTQ/E Jun 202479 pos · $744.0M
- 13F HOLDINGS REPORTQ/E Mar 202484 pos · $753.4M
- 13F HOLDINGS REPORTQ/E Dec 202381 pos · $575.6M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | ELI LILLY & CO | LLY | 42,778 | $46.0M | 5.71% |
| 2 | ALPHABET INC | GOOG | 143,749 | $45.0M | 5.59% |
| 3 | AMAZON COM INC | AMZN | 172,835 | $39.9M | 4.95% |
| 4 | MICROSOFT CORP | MSFT | 80,424 | $38.9M | 4.83% |
| 5 | AUTODESK INC | ADSK | 125,188 | $37.1M | 4.60% |
| 6 | ADVANCED MICRO DEVICES INC | AMD | 170,930 | $36.6M | 4.55% |
| 7 | APPLE INC | AAPL | 128,680 | $35.0M | 4.34% |
| 8 | OREILLY AUTOMOTIVE INC | 67103H107 | 381,725 | $34.8M | 4.32% |
| 9 | GOLDMAN SACHS GROUP INC | GSCE | 39,200 | $34.5M | 4.28% |
| 10 | MCKESSON CORP | MCK | 41,650 | $34.2M | 4.24% |
| 11 | ISHARES TR | 464287655 | 136,020 | $33.5M | 4.16% |
| 12 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 64,561 | $32.5M | 4.03% |
| 13 | ISHARES INC | 46434G103 | 440,650 | $29.6M | 3.68% |
| 14 | INTUIT | INTU | 42,410 | $28.1M | 3.49% |
| 15 | NVIDIA CORPORATION | NVDA | 144,090 | $26.9M | 3.34% |
| 16 | NOVO-NORDISK A S | NONOF | 374,660 | $19.1M | 2.37% |
| 17 | BROADCOM INC | AVGO | 50,250 | $17.4M | 2.16% |
| 18 | COSTCO WHSL CORP NEW | 22160K105 | 19,827 | $17.1M | 2.12% |
| 19 | MERCADOLIBRE INC | MELI | 8,340 | $16.8M | 2.09% |
| 20 | TRANE TECHNOLOGIES PLC | TT | 40,950 | $15.9M | 1.98% |