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DAVIS R M INC — 13F Holdings & Portfolio

CIK 891287 · latest 13F-HR filed 2026-08-14

Backtest portfolio

DAVIS R M INC manages $6.34B in 13F-reported U.S. long-equity assets across 281 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (5.81%), AAPL (5.28%), GOOGL (5.07%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 16 new positions and exited 9; 148 existing positions rose in reported value and 56 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$6.34B

Long-equity book

Holdings
281

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+16 / −9 / ↑148 / ↓56

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
SPY5.8% · +1%AAPL5.3% · +0%GOOGL5.1% · -0%NVDA4.6% · +1%IJH4.5% · +2%PANW3.7% · -1%APH3.6% · -3%VEA3.0% · +2%VB2.9% · +1%MSFT2.9% · +2%AMZN2.6% · +2%BRK.B2.0% · -1%JPM2.0% · +1%COST1.6% · +1%V1.6% · +1%ASML1.6% · -0%TJX1.6% · -2%CB1.3% · -2%MRVL1.3% · -12%ETN1.2% · -1%LIN1.2% · +0%AVGO1.2% · +5%LLY1.2% · +1%META1.2% · +1%AME1.2% · -1%IWV1.1% · 0%WCN1.0% · -0%TTWO1.0% · +1%JNJ1.0% · +4%TMO1.0% · -0%XOM1.0% · -0%NEE1.0% · +0%RTX1.0% · -1%HD0.9% · +1%DHR0.9% · -1%GS0.9% · +0%PSX0.8% · -2%PG0.8% · +3%GOOG0.8% · -2%IDXX0.8% · -1%GE0.8% · +4%BAC0.8% · +2%AMT0.8% · -0%MTD0.7% · -1%SYK0.7% · +1%UNP0.7% · +2%VEU0.7% · -1%AON0.7% · -0%ROK0.7% · +0%PEP0.6% · -3%AWK0.6% · -1%BSCR0.6% · +4%INTU0.6% · -2%COP0.5% · -5%DE0.5% · +2%QCOM0.5% · -26%NOC0.5% · -0%EQIX0.5% · -3%BSCS0.4% · +7%SHW0.4% · -1%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 41.4%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 148 →

Top Trims

Show all 56 →

New Positions

Show all 16 →

Exited Positions

Show all 9 →

DAVIS R M INC Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $368.3M 5.81% 492,020 SH
2 APPLE INC AAPL 037833100 $334.8M 5.28% 1,157,132 SH
3 ALPHABET INC GOOGL 02079K305 $321.1M 5.07% 898,595 SH
4 NVIDIA CORPORATION NVDA 67066G104 $289.9M 4.57% 1,449,030 SH
5 ISHARES TR IJH 464287507 $286.9M 4.53% 3,721,050 SH
6 PALO ALTO NETWORKS INC PANW 697435105 $236.5M 3.73% 693,408 SH
7 AMPHENOL CORP APH 032095101 $231.4M 3.65% 1,310,574 SH
8 VANGUARD TAX-MANAGED FDS VEA 921943858 $188.5M 2.97% 2,645,660 SH
9 VANGUARD INDEX FDS VB 922908751 $186.8M 2.95% 616,237 SH
10 MICROSOFT CORP MSFT 594918104 $181.3M 2.86% 486,156 SH
11 AMAZON COM INC AMZN 023135106 $163.5M 2.58% 686,127 SH
12 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $127.3M 2.01% 254,464 SH
13 JPMORGAN CHASE & CO JPM 46625H100 $123.9M 1.95% 378,479 SH
14 COSTCO WHOLESALE CORPORATION COST 22160K105 $103.6M 1.63% 110,779 SH
15 VISA INC V 92826C839 $103.5M 1.63% 301,775 SH
16 ASML HLDG NV ASML N07059210 $101.2M 1.60% 50,859 SH
17 TJX COS INC NEW TJX 872540109 $99.3M 1.57% 655,457 SH
18 CHUBB LIMITED CB H1467J104 $82.7M 1.30% 242,087 SH
19 MARVELL TECHNOLOGY INC MRVL 573874104 $79.6M 1.26% 267,159 SH
20 EATON CORP PLC ETN G29183103 $77.7M 1.23% 182,377 SH
21 LINDE PLC LIN G54950103 $77.3M 1.22% 149,028 SH
22 BROADCOM INC AVGO 11135F101 $75.3M 1.19% 199,358 SH
23 ELI LILLY & CO LLY 532457108 $73.7M 1.16% 61,458 SH
24 META PLATFORMS INC META 30303M102 $73.7M 1.16% 130,778 SH
25 AMETEK INC AME 031100100 $73.5M 1.16% 303,960 SH
26 ISHARES TR IWV 464287689 $68.1M 1.07% 159,675 SH
27 WASTE CONNECTIONS INC WCN 94106B101 $65.2M 1.03% 390,846 SH
28 TAKE-TWO INTERACTIVE SOFTWAR TTWO 874054109 $64.4M 1.02% 257,483 SH
29 JOHNSON & JOHNSON JNJ 478160104 $63.5M 1.00% 249,911 SH
30 THERMO FISHER SCIENTIFIC INC TMO 883556102 $61.4M 0.97% 122,380 SH
31 EXXON MOBIL CORP XOM 30231G102 $61.2M 0.97% 447,881 SH
32 NEXTERA ENERGY INC NEE 65339F101 $61.2M 0.97% 697,216 SH
33 RTX CORPORATION RTX 75513E101 $60.5M 0.95% 318,890 SH
34 HOME DEPOT INC HD 437076102 $58.8M 0.93% 166,746 SH
35 DANAHER CORP DEL DHR 235851102 $58.5M 0.92% 306,357 SH
36 GOLDMAN SACHS GROUP INC GS 38141G104 $57.5M 0.91% 56,830 SH
37 PHILLIPS 66 PSX 718546104 $53.0M 0.84% 313,812 SH
38 PROCTER & GAMBLE CO PG 742718109 $49.7M 0.78% 339,059 SH
39 ALPHABET INC GOOG 02079K107 $48.9M 0.77% 138,438 SH
40 IDEXX LABS INC IDXX 45168D104 $48.0M 0.76% 91,242 SH
41 GE AEROSPACE GE 369604301 $47.9M 0.75% 128,076 SH
42 BANK OF AMER CORP BAC 060505104 $47.8M 0.75% 839,151 SH
43 AMERICAN TOWER CORP AMT 03027X100 $47.8M 0.75% 289,000 SH
44 METTLER TOLEDO INTERNATIONAL MTD 592688105 $46.5M 0.73% 36,421 SH
45 STRYKER CORPORATION SYK 863667101 $45.2M 0.71% 143,192 SH
46 UNION PAC CORP UNP 907818108 $45.0M 0.71% 165,468 SH
47 VANGUARD INTL EQUITY INDEX F VEU 922042775 $44.2M 0.70% 528,051 SH
48 AON PLC AON G0403H108 $42.3M 0.67% 127,621 SH
49 ROCKWELL AUTOMATION INC ROK 773903109 $41.6M 0.66% 83,993 SH
50 PEPSICO INC PEP 713448108 $40.5M 0.64% 299,195 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $6.34B 281 0000891287-26-000006
2026-03-31 2026-05-13 $5.63B 274 0000891287-26-000003
2025-12-31 2026-02-12 $5.81B 275 0000891287-26-000002
2025-09-30 2025-11-12 $5.72B 271 0000891287-25-000010
Filer Information
Address
24 CITY CENTER
PORTLAND, ME 04101
Phone
(207) 774-0022
Filing Manager
DAVIS R M INC
PORTLAND, ME
Signatory
Caleb DuBois
Chief Compliance Officer