Q3 2026 13F · SEC CIK 2044671

Hingham Institution for Savings

Bank & trustFiled 2026-10-20 for Q3 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $134.0M
Reported positions: 15
Holdings vs S&P 500, 3 yrs: —
Average holding period: 4 qtrs

Hingham Institution for Savings is a bank & trust that reported 15 positions worth $134.0M in its Q3 2026 13F, filed 2026-10-20. Its largest holdings were Alphabet Inc (GOOGL, 23.2%), Visa Inc (V, 17.7%), Berkshire Hathaway Inc Del (BRK-B, 15.4%).

Hingham Institution for Savings holdings all 15 positions.

Weights are shares of the filer's total reported 13F value, compared with Q2 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Hingham Institution for Savings 13F holdings
Stock	% of 13F value	Q2 2026	Shares	Share change	Reported value
GOOGLAlphabet Inc	23.2%	28.2%	90,450	-14.6%	$31.1M
VVisa Inc	17.7%	16.9%	66,150	+0.0%	$23.8M
BRK-BBerkshire Hathaway Inc Del	15.4%	15.4%	41,450	+0.0%	$20.6M
CBNAChain Bridge Bancorp Inc	11.6%	10.5%	336,137	+0.6%	$15.5M
MAMastercard Incorporated	7.9%	7.3%	19,100	+0.0%	$10.5M
HEI-AHeico Corp	5.5%	5.1%	32,500	+22.6%	$7.4M
PGRProgressive Corp	5.5%	4.1%	35,500	+39.2%	$7.4M
SPGIS&p Global Inc	3.5%	3.6%	12,000	+0.0%	$4.7M
NBNNortheast Bk Portland Me	1.9%	1.2%	21,000	+75.0%	$2.6M
IGICIntl Gnrl Insurance Hldngs L	1.8%	1.6%	100,400	+24.9%	$2.4M
MCOMoodys Corp	1.5%	1.5%	4,500	+0.0%	$2.0M
RLIRli Corp	1.4%	1.5%	35,000	+0.0%	$1.9M
BRK-ABerkshire Hathaway Inc Del	1.1%	1.1%	2	+0.0%	$1.5M
KNSLKinsale Cap Group Inc	1.0%	1.0%	4,000	+0.0%	$1.3M
APHAmphenol Corp	0.9%	0.9%	14,000	+100.0%	$1.2M

What Hingham Institution for Savings bought and sold in Q3 2026, against Q2 2026.

New positions

No new positions among the largest holdings.

Added to

APH Amphenol Corp+100.0% shares
NBN Northeast Bk Portland Me+75.0% shares
PGR Progressive Corp+39.2% shares
IGIC Intl Gnrl Insurance Hldngs L+24.9% shares
HEI-A Heico Corp+22.6% shares

Reduced

GOOGL Alphabet Inc-14.6% shares

Sold out

Nothing sold out.

Share counts compared with the Q2 2026 13F; a split also changes share counts.

How the holdings did against the S&P 500.

1 year: —
3 years: —
5 years: —

A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q3 2026	$134.0M	15
Q2 2026	$134.3M	15
Q1 2026	$113.2M	15
Q4 2025	$122.0M	12

Questions about Hingham Institution for Savings's portfolio

What stocks does Hingham Institution for Savings own?

Hingham Institution for Savings's latest 13F, for Q3 2026 and filed Oct 20, 2026, lists 15 positions worth $134.0M. The largest are Alphabet Inc (GOOGL) at 23.2%, Visa Inc (V) at 17.7%, Berkshire Hathaway Inc Del (BRK-B) at 15.4%, Chain Bridge Bancorp Inc (CBNA) at 11.6% and Mastercard Incorporated (MA) at 7.9%.

What did Hingham Institution for Savings buy last quarter?

In Q3 2026, Hingham Institution for Savings added Amphenol Corp (APH) (+100.0% shares), Northeast Bk Portland Me (NBN) (+75.0% shares) and Progressive Corp (PGR) (+39.2% shares), compared with its Q2 2026 filing.

What did Hingham Institution for Savings sell last quarter?

In Q3 2026, Hingham Institution for Savings Alphabet Inc (GOOGL) (-14.6% shares), compared with its Q2 2026 filing.

When is Hingham Institution for Savings's next 13F filing due?

13F filings are due 45 days after each quarter ends. Hingham Institution for Savings's filing for the quarter ending Dec 31, 2026 is due by Feb 14, 2027; this page updates the day after it is published.