Vault-13

DE BURLO GROUP INC

BOSTON, MA · CIK 1134288 · 13F filing filed 2026-08-13

SEC-registered investment adviser since 2010 · corporation

$546.6m reported value +23.9% vs Q1 2026
90positions
48.3%in top 10
6 new 13 added 39 reduced 4 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#SecurityTickerShares Value% of portfolioChangeShares change
1 ADVANCED MICRO DEVICES INC COM AMD AMD 77,780 $45.2m8.27% 8.27% ReducedShares held: Q3 2025 192.4k, Q4 2025 170.9k, Q1 2026 110.0k, Q2 2026 77.8k -32.3k -32,265 -29.3%
2 APPLE INC COM AAPL AAPL 124,085 $35.9m6.57% 6.57% ReducedShares held: Q3 2025 129.5k, Q4 2025 128.7k, Q1 2026 126.2k, Q2 2026 124.1k -2.1k -2,147 -1.7%
3 ALPHABET INC CAP STK CL A GOOGL GOOGL 98,794 $35.3m6.46% 6.46% AddedShares held: Q3 2025 21.0k, Q4 2025 143.7k, Q1 2026 95.4k, Q2 2026 98.8k +3.4k +3,410 3.6%
4 ELI LILLY & CO COM LLY LLY 26,613 $31.9m5.84% 5.84% AddedShares held: Q3 2025 42.8k, Q4 2025 42.8k, Q1 2026 26.5k, Q2 2026 26.6k +95 +95 0.4%
5 ENTREPRENEURSHARES SERIES TR ERSH PRI PUB ETF XOVR XOVR 1,227,000 $25.8m4.72% 4.72% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 1.2m
6 AMAZON COM INC COM AMZN AMZN 89,170 $21.3m3.89% 3.89% AddedShares held: Q3 2025 154.9k, Q4 2025 172.8k, Q1 2026 75.5k, Q2 2026 89.2k +13.7k +13,690 18.1%
7 BROOKFIELD CORP CL A LTD VT SH BN BN 447,100 $19.0m3.48% 3.48% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 444.0k, Q2 2026 447.1k +3.1k +3,100 0.7%
8 MICROSOFT CORP COM MSFT MSFT 50,081 $18.7m3.42% 3.42% ReducedShares held: Q3 2025 80.6k, Q4 2025 80.4k, Q1 2026 52.4k, Q2 2026 50.1k -2.3k -2,343 -4.5%
9 MCKESSON CORP COM MCK MCK 21,410 $16.2m2.96% 2.96% ReducedShares held: Q3 2025 45.8k, Q4 2025 41.6k, Q1 2026 23.6k, Q2 2026 21.4k -2.2k -2,220 -9.4%
10 GOLDMAN SACHS GROUP INC COM GS GS 14,400 $14.6m2.66% 2.66% UnchangedShares held: Q3 2025 35.8k, Q4 2025 39.2k, Q1 2026 14.4k, Q2 2026 14.4k
11 COSTCO WHSL CORP NEW COM COST COST 12,367 $11.6m2.12% 2.12% AddedShares held: Q3 2025 19.8k, Q4 2025 19.8k, Q1 2026 12.3k, Q2 2026 12.4k +50 +50 0.4%
12 STANLEY BLACK & DECKER INC COM SWK SWK 121,870 $11.5m2.10% 2.10% ReducedShares held: Q3 2025 263.0k, Q4 2025 207.3k, Q1 2026 122.0k, Q2 2026 121.9k -125 -125 -0.1%
13 BROADCOM INC COM AVGO AVGO 30,231 $11.4m2.09% 2.09% ReducedShares held: Q3 2025 63.4k, Q4 2025 50.2k, Q1 2026 31.4k, Q2 2026 30.2k -1.2k -1,200 -3.8%
14 NVIDIA CORPORATION COM NVDA NVDA 53,835 $10.8m1.97% 1.97% ReducedShares held: Q3 2025 177.6k, Q4 2025 144.1k, Q1 2026 67.9k, Q2 2026 53.8k -14.0k -14,030 -20.7%
15 ISHARES INC CORE MSCI EMKT IEMG IEMG 127,150 $10.5m1.93% 1.93% AddedShares held: Q3 2025 440.6k, Q4 2025 440.6k, Q1 2026 126.0k, Q2 2026 127.2k +1.2k +1,200 0.9%
16 AUTODESK INC COM ADSK ADSK 49,436 $9.6m1.76% 1.76% ReducedShares held: Q3 2025 115.2k, Q4 2025 125.2k, Q1 2026 63.0k, Q2 2026 49.4k -13.5k -13,540 -21.5%
17 TRANE TECHNOLOGIES PLC SHS TT TT 19,250 $9.5m1.73% 1.73% UnchangedShares held: Q3 2025 41.0k, Q4 2025 41.0k, Q1 2026 19.2k, Q2 2026 19.2k
18 META PLATFORMS INC CL A META META 15,750 $8.9m1.62% 1.62% UnchangedShares held: Q3 2025 52.3k, Q4 2025 19.2k, Q1 2026 15.8k, Q2 2026 15.8k
19 WEYERHAEUSER CO MTN BE COM NEW WY WY 363,000 $8.7m1.59% 1.59% AddedShares held: Q3 2025 0, Q4 2025 135.0k, Q1 2026 359.0k, Q2 2026 363.0k +4.0k +4,000 1.1%
20 TERADYNE INC COM TER TER 16,675 $8.1m1.48% 1.48% AddedShares held: Q3 2025 174.1k, Q4 2025 7.5k, Q1 2026 7.7k, Q2 2026 16.7k +9.0k +8,970 116.4%
21 OREILLY AUTOMOTIVE INC COM ORLY ORLY 86,500 $8.0m1.46% 1.46% AddedShares held: Q3 2025 331.6k, Q4 2025 381.7k, Q1 2026 84.9k, Q2 2026 86.5k +1.6k +1,625 1.9%
22 VISA INC COM CL A V V 22,738 $7.8m1.43% 1.43% ReducedShares held: Q3 2025 23.6k, Q4 2025 23.6k, Q1 2026 32.4k, Q2 2026 22.7k -9.7k -9,700 -29.9%
23 CROWDSTRIKE HLDGS INC CL A CRWD CRWD 10,000 $7.6m1.40% 1.40% UnchangedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 10.0k, Q2 2026 10.0k
24 ASTERA LABS INC COM ALAB ALAB 14,800 $7.1m1.31% 1.31% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 14.8k
25 MASTERCARD INCORPORATED CL A MA MA 13,397 $6.9m1.26% 1.26% ReducedShares held: Q3 2025 13.8k, Q4 2025 13.7k, Q1 2026 13.6k, Q2 2026 13.4k -210 -210 -1.5%
26 IREN LIMITED ORDINARY SHARES IREN IREN 147,500 $6.7m1.23% 1.23% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 81.8k, Q2 2026 147.5k +65.7k +65,700 80.3%
27 ABBVIE INC COM ABBV ABBV 26,039 $6.6m1.20% 1.20% ReducedShares held: Q3 2025 26.9k, Q4 2025 26.6k, Q1 2026 26.3k, Q2 2026 26.0k -300 -300 -1.1%
28 MICRON TECHNOLOGY INC COM MU MU 5,378 $6.2m1.14% 1.14% ReducedShares held: Q3 2025 14.2k, Q4 2025 11.5k, Q1 2026 11.2k, Q2 2026 5.4k -5.8k -5,780 -51.8%
29 SYNOPSYS INC COM SNPS SNPS 13,400 $6.0m1.09% 1.09% UnchangedShares held: Q3 2025 0, Q4 2025 18.0k, Q1 2026 13.4k, Q2 2026 13.4k
30 MERCADOLIBRE INC COM MELI MELI 3,500 $5.9m1.09% 1.09% UnchangedShares held: Q3 2025 9.2k, Q4 2025 8.3k, Q1 2026 3.5k, Q2 2026 3.5k
31 SNOWFLAKE INC CL A SNOW SNOW 22,500 $5.7m1.05% 1.05% UnchangedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 22.5k, Q2 2026 22.5k
32 ASML HOLDING N V N Y REGISTRY SHS ASML ASML 2,810 $5.6m1.02% 1.02% UnchangedShares held: Q3 2025 23.4k, Q4 2025 2.8k, Q1 2026 2.8k, Q2 2026 2.8k
33 TESLA INC COM TSLA TSLA 12,621 $5.3m0.97% 0.97% ReducedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 12.6k, Q2 2026 12.6k -5 -5 -0.0%
34 CORE SCIENTIFIC INC NEW COM CORZ CORZ 204,800 $5.2m0.96% 0.96% ReducedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 266.4k, Q2 2026 204.8k -61.6k -61,600 -23.1%
35 SOLARIS ENERGY INFRAS INC COM CL A SEI SEI 61,700 $5.0m0.91% 0.91% ReducedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 84.0k, Q2 2026 61.7k -22.3k -22,300 -26.6%
36 RIOT PLATFORMS INC COM RIOT RIOT 178,400 $4.9m0.89% 0.89% AddedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 111.0k, Q2 2026 178.4k +67.4k +67,400 60.7%
37 UNITY SOFTWARE INC COM U U 169,000 $4.8m0.88% 0.88% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 169.0k
38 INTUIT COM INTU INTU 18,370 $4.8m0.88% 0.88% ReducedShares held: Q3 2025 26.5k, Q4 2025 42.4k, Q1 2026 30.2k, Q2 2026 18.4k -11.8k -11,825 -39.2%
39 THERMO FISHER SCIENTIFIC INC COM TMO TMO 9,397 $4.7m0.86% 0.86% ReducedShares held: Q3 2025 10.5k, Q4 2025 10.4k, Q1 2026 10.0k, Q2 2026 9.4k -648 -648 -6.5%
40 EQT CORP COM EQT EQT 86,500 $4.6m0.84% 0.84% ReducedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 145.9k, Q2 2026 86.5k -59.4k -59,400 -40.7%
41 AMPHENOL CORP CL A APH APH 24,800 $4.4m0.80% 0.80% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 24.8k
42 CONSTELLATION ENERGY CORP COM CEG CEG 15,000 $3.7m0.68% 0.68% UnchangedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 15.0k, Q2 2026 15.0k
43 BERKSHIRE HATHAWAY INC DEL CL B NEW BRK.B BRK.B 6,726 $3.4m0.62% 0.62% AddedShares held: Q3 2025 56.8k, Q4 2025 64.6k, Q1 2026 6.1k, Q2 2026 6.7k +660 +660 10.9%
44 ISHARES INC MSCI JPN ETF NEW EWJ EWJ 35,900 $3.3m0.61% 0.61% UnchangedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 35.9k, Q2 2026 35.9k
45 JPMORGAN CHASE & CO COM JPM JPM 9,581 $3.1m0.57% 0.57% AddedShares held: Q3 2025 9.5k, Q4 2025 9.5k, Q1 2026 9.6k, Q2 2026 9.6k +1 +1 0.0%
46 ROPER TECHNOLOGIES INC COM ROP ROP 8,985 $3.0m0.56% 0.56% UnchangedShares held: Q3 2025 0, Q4 2025 31.6k, Q1 2026 9.0k, Q2 2026 9.0k
47 PALO ALTO NETWORKS INC COM PANW PANW 8,780 $3.0m0.55% 0.55% ReducedShares held: Q3 2025 10.2k, Q4 2025 9.1k, Q1 2026 8.8k, Q2 2026 8.8k -40 -40 -0.5%
48 CLEANSPARK INC COM NEW CLSK CLSK 205,700 $3.0m0.55% 0.55% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 205.7k
49 DANAHER CORPORATION COM DHR DHR 14,503 $2.8m0.51% 0.51% ReducedShares held: Q3 2025 21.2k, Q4 2025 21.0k, Q1 2026 18.1k, Q2 2026 14.5k -3.6k -3,616 -20.0%
50 QUALCOMM INC COM QCOM QCOM 14,934 $2.8m0.50% 0.50% NewShares held: Q3 2025 0, Q4 2025 0, Q1 2026 0, Q2 2026 14.9k
51 CHURCH & DWIGHT CO INC COM CHD CHD 25,217 $2.4m0.45% 0.45% ReducedShares held: Q3 2025 28.2k, Q4 2025 27.2k, Q1 2026 26.5k, Q2 2026 25.2k -1.3k -1,300 -4.9%
52 VERTEX PHARMACEUTICALS INC COM VRTX VRTX 4,740 $2.4m0.43% 0.43% ReducedShares held: Q3 2025 5.0k, Q4 2025 4.8k, Q1 2026 4.8k, Q2 2026 4.7k -15 -15 -0.3%
53 ARISTA NETWORKS INC COM SHS ANET ANET 13,203 $2.2m0.41% 0.41% UnchangedShares held: Q3 2025 13.6k, Q4 2025 13.5k, Q1 2026 13.2k, Q2 2026 13.2k
54 EDWARDS LIFESCIENCES CORP COM EW EW 19,031 $1.7m0.31% 0.31% UnchangedShares held: Q3 2025 19.0k, Q4 2025 19.0k, Q1 2026 19.0k, Q2 2026 19.0k
55 AMERICAN TOWER CORP NEW COM AMT AMT 9,920 $1.6m0.30% 0.30% ReducedShares held: Q3 2025 11.1k, Q4 2025 10.8k, Q1 2026 10.3k, Q2 2026 9.9k -418 -418 -4.0%
56 PROCTER AND GAMBLE CO COM PG PG 9,754 $1.4m0.26% 0.26% ReducedShares held: Q3 2025 14.7k, Q4 2025 13.5k, Q1 2026 12.7k, Q2 2026 9.8k -3.0k -2,994 -23.5%
57 MASCO CORP COM MAS MAS 15,526 $1.3m0.23% 0.23% ReducedShares held: Q3 2025 17.8k, Q4 2025 16.6k, Q1 2026 16.0k, Q2 2026 15.5k -475 -475 -3.0%
58 BOOT BARN HLDGS INC COM BOOT BOOT 7,500 $1.2m0.23% 0.23% UnchangedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 7.5k, Q2 2026 7.5k
59 ASTRAZENECA PLC ORD AZN AZN 5,753 $1.1m0.20% 0.20% ReducedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 5.9k, Q2 2026 5.8k -171 -171 -2.9%
60 SALESFORCE INC COM CRM CRM 6,830 $1.1m0.20% 0.20% ReducedShares held: Q3 2025 9.2k, Q4 2025 8.1k, Q1 2026 7.5k, Q2 2026 6.8k -625 -625 -8.4%
61 AMERICAN WTR WKS CO INC NEW COM AWK AWK 7,408 $974.7k0.18% 0.18% UnchangedShares held: Q3 2025 7.1k, Q4 2025 7.4k, Q1 2026 7.4k, Q2 2026 7.4k
62 ATMOS ENERGY CORP COM ATO ATO 5,135 $884.6k0.16% 0.16% UnchangedShares held: Q3 2025 5.2k, Q4 2025 5.1k, Q1 2026 5.1k, Q2 2026 5.1k
63 NEUROCRINE BIOSCIENCES INC COM NBIX NBIX 4,667 $786.6k0.14% 0.14% UnchangedShares held: Q3 2025 4.8k, Q4 2025 4.7k, Q1 2026 4.7k, Q2 2026 4.7k
64 SHERWIN WILLIAMS CO COM SHW SHW 2,175 $748.9k0.14% 0.14% UnchangedShares held: Q3 2025 2.2k, Q4 2025 2.2k, Q1 2026 2.2k, Q2 2026 2.2k
65 NOVO-NORDISK A S ADR NVO NVO 15,250 $731.1k0.13% 0.13% ReducedShares held: Q3 2025 481.2k, Q4 2025 374.7k, Q1 2026 16.1k, Q2 2026 15.2k -850 -850 -5.3%
66 GILEAD SCIENCES INC COM GILD GILD 5,758 $727.5k0.13% 0.13% ReducedShares held: Q3 2025 6.1k, Q4 2025 6.1k, Q1 2026 6.1k, Q2 2026 5.8k -375 -375 -6.1%
67 STERIS PLC SHS USD STE STE 3,220 $678.0k0.12% 0.12% UnchangedShares held: Q3 2025 3.3k, Q4 2025 3.3k, Q1 2026 3.2k, Q2 2026 3.2k
68 REINSURANCE GRP OF AMERICA I COM NEW RGA RGA 3,016 $641.4k0.12% 0.12% ReducedShares held: Q3 2025 3.3k, Q4 2025 3.1k, Q1 2026 3.1k, Q2 2026 3.0k -100 -100 -3.2%
69 TOPBUILD CORP COM BLD BLD 1,718 $609.1k0.11% 0.11% ReducedShares held: Q3 2025 1.8k, Q4 2025 1.8k, Q1 2026 1.8k, Q2 2026 1.7k -66 -66 -3.7%
70 ECOLAB INC COM ECL ECL 1,850 $515.4k0.09% 0.09% UnchangedShares held: Q3 2025 1.9k, Q4 2025 1.9k, Q1 2026 1.9k, Q2 2026 1.9k
71 FIRST SOLAR INC COM FSLR FSLR 2,000 $471.9k0.09% 0.09% UnchangedShares held: Q3 2025 2.0k, Q4 2025 2.0k, Q1 2026 2.0k, Q2 2026 2.0k
72 THE CIGNA GROUP COM CI CI 1,657 $456.8k0.08% 0.08% ReducedShares held: Q3 2025 1.8k, Q4 2025 1.8k, Q1 2026 1.7k, Q2 2026 1.7k -79 -79 -4.5%
73 AUTOMATIC DATA PROCESSING IN COM ADP ADP 2,034 $455.5k0.08% 0.08% ReducedShares held: Q3 2025 2.9k, Q4 2025 2.9k, Q1 2026 2.7k, Q2 2026 2.0k -700 -700 -25.6%
74 LINDE PLC SHS LIN LIN 820 $425.5k0.08% 0.08% UnchangedShares held: Q3 2025 820, Q4 2025 820, Q1 2026 820, Q2 2026 820
75 NETFLIX INC COM NFLX NFLX 5,740 $409.8k0.07% 0.07% ReducedShares held: Q3 2025 227.9k, Q4 2025 138.4k, Q1 2026 5.8k, Q2 2026 5.7k -20 -20 -0.3%
76 NEXTERA ENERGY INC COM NEE NEE 4,500 $395.0k0.07% 0.07% UnchangedShares held: Q3 2025 4.5k, Q4 2025 4.5k, Q1 2026 4.5k, Q2 2026 4.5k
77 ADOBE INC COM ADBE ADBE 1,868 $383.0k0.07% 0.07% UnchangedShares held: Q3 2025 7.1k, Q4 2025 6.3k, Q1 2026 1.9k, Q2 2026 1.9k
78 VERALTO CORP COM SHS VLTO VLTO 4,052 $359.3k0.07% 0.07% ReducedShares held: Q3 2025 4.2k, Q4 2025 4.2k, Q1 2026 4.1k, Q2 2026 4.1k -83 -83 -2.0%
79 REPUBLIC SVCS INC COM RSG RSG 1,608 $342.6k0.06% 0.06% ReducedShares held: Q3 2025 61.5k, Q4 2025 31.9k, Q1 2026 1.6k, Q2 2026 1.6k -25 -25 -1.5%
80 JOHNSON & JOHNSON COM JNJ JNJ 1,333 $338.5k0.06% 0.06% UnchangedShares held: Q3 2025 1.3k, Q4 2025 1.3k, Q1 2026 1.3k, Q2 2026 1.3k
81 CASELLA WASTE SYS INC CL A CWST CWST 3,100 $300.6k0.05% 0.05% UnchangedShares held: Q3 2025 2.2k, Q4 2025 3.1k, Q1 2026 3.1k, Q2 2026 3.1k
82 GENERAL MLS INC COM GIS GIS 8,000 $278.4k0.05% 0.05% ReducedShares held: Q3 2025 11.8k, Q4 2025 11.8k, Q1 2026 10.6k, Q2 2026 8.0k -2.6k -2,600 -24.5%
83 UNION PAC CORP COM UNP UNP 964 $262.2k0.05% 0.05% UnchangedShares held: Q3 2025 964, Q4 2025 964, Q1 2026 964, Q2 2026 964
84 INTEGRA LIFESCIENCES HLDGS C COM NEW IART IART 14,463 $259.8k0.05% 0.05% UnchangedShares held: Q3 2025 14.5k, Q4 2025 14.5k, Q1 2026 14.5k, Q2 2026 14.5k
85 STRYKER CORPORATION COM SYK SYK 815 $256.6k0.05% 0.05% ReducedShares held: Q3 2025 3.0k, Q4 2025 3.2k, Q1 2026 2.3k, Q2 2026 815 -1.4k -1,443 -63.9%
86 LPL FINL HLDGS INC COM LPLA LPLA 900 $253.5k0.05% 0.05% ReducedShares held: Q3 2025 1.0k, Q4 2025 1.0k, Q1 2026 1.0k, Q2 2026 900 -100 -100 -10.0%
87 BANK AMERICA CORP COM BAC BAC 4,248 $242.1k0.04% 0.04% UnchangedShares held: Q3 2025 4.2k, Q4 2025 4.2k, Q1 2026 4.2k, Q2 2026 4.2k
88 LULULEMON ATHLETICA INC COM LULU LULU 2,005 $228.9k0.04% 0.04% UnchangedShares held: Q3 2025 60.1k, Q4 2025 73.9k, Q1 2026 2.0k, Q2 2026 2.0k
89 AMGEN INC COM AMGN AMGN 595 $215.5k0.04% 0.04% UnchangedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 595, Q2 2026 595
90 EXXON MOBIL CORP COM XOM XOM 1,563 $213.7k0.04% 0.04% UnchangedShares held: Q3 2025 0, Q4 2025 0, Q1 2026 1.6k, Q2 2026 1.6k

Sold out since Q1 2026

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