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Disclosery

Hingham Institution for Savings

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13F filer, CIK 2044671, HINGHAM, MA

Hingham Institution for Savings reported $113,161,857 across 15 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-04-15. Its ten largest share positions make up 95.17% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001754960-26-000256

Period
2026-03-31
Reported value
$113M
Holdings
15
Top 10 weight
95.17%
New
4
Sold out
1

Largest buys vs the previous quarter

SecurityShares changeApprox. value
Vadded+6,000$1.81M
KNSLnew+4,000$1.37M
IGICnew+55,400$1.34M
HEI-Aadded+5,500$1.16M
SPGIadded+2,500$1.06M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
GOOGLreduced-29,500-$8.48M
JMSBexited-5,000-$100K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001754960-26-000256, largest first. % of portfolio is the value over $113,161,857, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
GOOGLALPHABET INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 148,950 shares; 2026Q1: 119,450 shares 119,450$34.3M30.35%-29,500Timeline
BRK-BBERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 41,450 shares; 2026Q1: 41,450 shares 41,450$19.9M17.55%0Timeline
VVISA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 59,150 shares; 2026Q1: 65,150 shares 65,150$19.7M17.4%+6,000Timeline
CBNACHAIN BRIDGE BANCORP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 293,565 shares; 2026Q1: 308,612 shares 308,612$10.8M9.52%+15,047Timeline
MAMASTERCARD INCORPORATEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 16,900 shares; 2026Q1: 18,100 shares 18,100$9.04M7.99%+1,200Timeline
SPGIS&P GLOBAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 9,500 shares; 2026Q1: 12,000 shares 12,000$5.1M4.51%+2,500Timeline
HEI-AHEICO CORP NEWQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 11,000 shares; 2026Q1: 16,500 shares 16,500$3.48M3.08%+5,500Timeline
RLIRLI CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 30,000 shares; 2026Q1: 35,000 shares 35,000$2M1.76%+5,000Timeline
MCOMOODYS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 2,500 shares; 2026Q1: 4,500 shares 4,500$1.96M1.73%+2,000Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 2 shares; 2026Q1: 2 shares 2$1.44M1.27%0Timeline
KNSLKINSALE CAP GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 4,000 shares 4,000$1.37M1.21%newTimeline
IGICINTL GNRL INSURANCE HLDNGS LQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 55,400 shares 55,400$1.34M1.19%newTimeline
PGRPROGRESSIVE CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 6,500 shares; 2026Q1: 6,500 shares 6,500$1.29M1.14%0Timeline
APHAMPHENOL CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 7,000 shares 7,000$884K0.78%newTimeline
CBNKCAPITAL BANCORP INC MDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: not reported; 2026Q1: 19,504 shares 19,504$580K0.51%newTimeline

Sold out in Q1 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
JMSBJOHN MARSHALL BANCORP INC5,000$100Kshares

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001754960-26-000256 base2026-04-15acceptance time not in the bulk data set