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COLRAIN CAPITAL LLC — 13F Holdings & Portfolio

CIK 1216093 · latest 13F-HR filed 2026-08-05

Backtest portfolio

COLRAIN CAPITAL LLC manages $295.3M in 13F-reported U.S. long-equity assets across 25 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are VICR (19.32%), CVX (6.68%), NEM (6.46%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 3 new positions and exited 4; 10 existing positions rose in reported value and 8 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
$295.3M

Long-equity book

Holdings
25

Distinct positions

Period
2026-06-30

Filed 2026-08-05

Q/Q Activity
+3 / −4 / ↑10 / ↓8

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
VICR19.3% · -26%CVX6.7% · +2%NEM6.5% · +8%VST6.2% · +6%CVS5.2% · 0%AR5.1% · +6%FISV5.1% · +58%GOOGL5.0% · -3%CI4.6% · +2%QCOM4.4% · +4%MOS4.1% · +15%BMY4.1% · +3%SLB3.7% · +4%APTV3.6% · +301%MDT3.5% · +26%NTR3.5% · -2%CMCSA3.1% · +12%ABBV2.1% · +0%BG2.0% · -8%CRM1.0% · newHON0.4% · -50%HONA0.3% · newEOG0.3% · -40%BRK.B0.1% · -86%AAPL0.1% · -10%

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

8 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 = 68%

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

Firm Profile & Key People
Assets Under Management
$222.2M
Discretionary
$222.2M
Employees
4
Accounts
87
Address
867 BOYLSTON STREET
5TH FLOOR
BOSTON, MA 02116
Phone
(617) 897-5800
Website
This firm reports 1 disclosure item on its registration.
Name Title / Status Ownership Type
BARTON, WILLIAM, ROGERS ControlMANAGING DIRECTOR10–25%Individual
BLUM, PETER, R ControlMANAGING DIRECTOR10–25%Individual
QUINLISK, TIMOTHY, E ControlMANAGING DIRECTOR10–25%Individual
ROSA, TARA, JANELL ControlCCO10–25%Individual

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 10 →

Top Trims

Show all 8 →

New Positions

Show all 3 →

Exited Positions

Show all 4 →

COLRAIN CAPITAL LLC 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 VICOR CORP VICR 925815102 $57.1M 19.32% 150,277 SH
2 CHEVRON CORPORATION CVX 166764100 $19.7M 6.68% 119,041 SH
3 NEWMONT CORP NEM 651639106 $19.1M 6.46% 204,381 SH
4 VISTRA CORP VST 92840M102 $18.3M 6.20% 115,429 SH
5 CVS HEALTH CORP CVS 126650100 $15.4M 5.22% 148,962 SH
6 ANTERO RESOURCES CORP AR 03674X106 $15.1M 5.12% 430,421 SH
7 FISERV INC FISV 337738108 $14.9M 5.05% 304,259 SH
8 ALPHABET INC GOOGL 02079K305 $14.8M 5.01% 41,430 SH
9 THE CIGNA GROUP CI 125523100 $13.5M 4.57% 48,944 SH
10 QUALCOMM INC QCOM 747525103 $12.9M 4.36% 69,658 SH
11 MOSAIC CO MOS 61945C103 $12.2M 4.13% 576,178 SH
12 BRISTOL-MYERS SQUIBB CO BMY 110122108 $12.0M 4.06% 208,145 SH
13 SLB LIMITED SLB 806857108 $11.0M 3.74% 235,875 SH
14 APTIV PLC APTV G3265R107 $10.6M 3.61% 173,500 SH
15 MEDTRONIC PLC MDT G5960L103 $10.4M 3.54% 132,354 SH
16 NUTRIEN LTD NTR 67077M108 $10.4M 3.52% 163,823 SH
17 COMCAST CORP NEW CMCSA 20030N101 $9.1M 3.09% 371,600 SH
18 ABBVIE INC ABBV 00287Y109 $6.3M 2.13% 25,047 SH
19 BUNGE GLOBAL SA BG H11356104 $5.8M 1.95% 53,993 SH
20 SALESFORCE INC CRM 79466L302 $2.9M 1.00% 18,770 SH
21 HONEYWELL INTL INC HON 438516205 $1.0M 0.35% 4,650 SH
22 HONEYWELL AEROSPACE INC HONA 43849R105 $1.0M 0.35% 4,650 SH
23 EOG RES INC EOG 26875P101 $975.3K 0.33% 7,518 SH
24 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $329.8K 0.11% 659 SH
25 APPLE INC AAPL 037833100 $260.4K 0.09% 900 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-05 $295.3M 25 0002085853-26-000941
2026-03-31 2026-05-12 $258.7M 26 0002085853-26-000583
2025-12-31 2026-02-12 $181.9M 22 0002085853-26-000255
2025-09-30 2025-11-07 $175.6M 22 0002085853-25-000240
2020-09-30 2020-11-12 $41.5M 29 0000950123-20-011387
2020-06-30 2020-08-10 $45.6M 30 0000950123-20-008012
2019-03-31 2019-05-02 $85.3M 48 0000950123-19-003761
2018-12-31 2019-01-28 $77.0M 43 0000950123-19-000374
Filer Information
Address
867 BOYLSTON STREET
5TH FLOOR
BOSTON, MA 02116
Phone
(617) 897-5814
Filing Manager
COLRAIN CAPITAL LLC
Boston, MA
Signatory
Tara Rosa
CCO