Hingham Institution for Savings

Fundamental concentrated ★Highest signal CIK 2044671
League rank
#363
in Fundamental concentrated · #863 overall
Long book
$113.2M
Q1 2026
Positions
15
Top-10 weight
95%
concentration
Last quarter
+17.8%
SPY +14.8%
Turnover
31%
of book per quarter

Strategy in plain words

auto-generated from filings

Hingham Institution for Savings is a concentrated fundamental stock-picker, running a $113.2M US long book across 15 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: ALPHABET INC-CL A, BERKSHIRE HATHAWAY INC-CL B, VISA INC-CLASS A SHARES, CHAIN BRIDGE BANCORP INC-A, MASTERCARD INC - A.

We rate its filings highest-signal: new buys here are worth attention.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q4 2025
-8.7%
Q1 2026
+17.8%

Sector allocation

Financials
34%
Services media
32%
Technology
31%
Industrials
3%

Long book by quarter

$122.0M
Q4 2025
$113.2M
Q1 2026

What does Hingham Institution own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
GOOGL ALPHABET INC-CL ATechnology119.5K$34.3M30.4%-19.8%
BRK/B BERKSHIRE HATHAWAY INC-CL BFinancials41.5K$19.9M17.6%Held
V VISA INC-CLASS A SHARESServices media65.2K$19.7M17.4%+10.1%
CBNA CHAIN BRIDGE BANCORP INC-AFinancials308.6K$10.8M9.5%+5.1%
MA MASTERCARD INC - AServices media18.1K$9.0M8.0%+7.1%
SPGI S&P GLOBAL INCServices media12.0K$5.1M4.5%+26.3%
HEI/A HEICO CORP-CLASS AIndustrials16.5K$3.5M3.1%+50.0%
RLI RLI CORPFinancials35.0K$2.0M1.8%+16.7%
MCO MOODY'S CORPServices media4.5K$2.0M1.7%+80.0%
BRK/A BERKSHIRE HATHAWAY INC-CL AFinancials2$1.4M1.3%Held
KNSL KINSALE CAPITAL GROUP INCFinancials4.0K$1.4M1.2%New
IGIC INTERNATIONAL GENERAL INSURAFinancials55.4K$1.3M1.2%New
PGR PROGRESSIVE CORPFinancials6.5K$1.3M1.1%Held
APH AMPHENOL CORP-CL ATechnology7.0K$884K0.8%New
CBNK CAPITAL BANCORP INC/MDFinancials19.5K$580K0.5%New

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRApr 15, 202615$113.2M canonicalSEC ↗
Q4 202513F-HR/ARESTATEMENTJan 30, 202612$122.0M canonicalSEC ↗
Q4 202513F-HRJan 29, 202611$121.9M SEC ↗