Filed: 1/29/2026ACC: 0001754960-26-000140
📋 What this filing means
HINGHAM INSTITUTION FOR SAVINGS filed this quarterly 13F‑HR report disclosing 11 equity positions with a total reported market value of $121.95M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
11
Positions
$121.95M
Total AUM (reported)
619.52K
Total Shares
Allocation by class
CAP STK CL A$46.62M38.2%
CL A$24.10M19.8%
CL B NEW$20.83M17.1%
COM CL A$20.74M17.0%
COM$9.64M7.9%
Portfolio Concentration
Top 3$88.20M72.3%
4–10$32.47M26.6%
11–25$1.28M1.0%
Top 3 weight
72.3%
Top 10 weight
99.0%
Voting Authority Distribution
Total shares with voting rights: 619.52K
Sole
Full voting authority
619.52K
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole11
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings11
Rows:
ALPHABET INC
SOLEShares148.95K
TypeSH
Market value$46.62M
38.23%
Sole
148.95K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares41.45K
TypeSH
Market value$20.83M
17.09%
Sole
41.45K
Shared
0.00
None
0.00
VISA INC
SOLEShares59.15K
TypeSH
Market value$20.74M
17.01%
Sole
59.15K
Shared
0.00
None
0.00
CHAIN BRIDGE BANCORP INC
SOLEShares293.56K
TypeSH
Market value$10.17M
8.34%
Sole
293.56K
Shared
0.00
None
0.00
MASTERCARD INCORPORATED
SOLEShares16.90K
TypeSH
Market value$9.65M
7.91%
Sole
16.90K
Shared
0.00
None
0.00
S&P GLOBAL INC
SOLEShares9.50K
TypeSH
Market value$4.96M
4.07%
Sole
9.50K
Shared
0.00
None
0.00
HEICO CORP NEW
SOLEShares11K
TypeSH
Market value$2.78M
2.28%
Sole
11K
Shared
0.00
None
0.00
RLI CORP
SOLEShares30K
TypeSH
Market value$1.92M
1.57%
Sole
30K
Shared
0.00
None
0.00
BERKSHIRE HATHAWAY INC DEL
SOLEShares2.00
TypeSH
Market value$1.51M
1.24%
Sole
2.00
Shared
0.00
None
0.00
PROGRESSIVE CORP
SOLEShares6.50K
TypeSH
Market value$1.48M
1.21%
Sole
6.50K
Shared
0.00
None
0.00
MOODYS CORP
SOLEShares2.50K
TypeSH
Market value$1.28M
1.05%
Sole
2.50K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
ALPHABET INCSOLE | CAP STK CL A | 148.95K | SH | $46.62M 38.23% | 148.95K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 41.45K | SH | $20.83M 17.09% | 41.45K | 0.00 | 0.00 |
VISA INCSOLE | COM CL A | 59.15K | SH | $20.74M 17.01% | 59.15K | 0.00 | 0.00 |
CHAIN BRIDGE BANCORP INCSOLE | CL A | 293.56K | SH | $10.17M 8.34% | 293.56K | 0.00 | 0.00 |
MASTERCARD INCORPORATEDSOLE | CL A | 16.90K | SH | $9.65M 7.91% | 16.90K | 0.00 | 0.00 |
S&P GLOBAL INCSOLE | COM | 9.50K | SH | $4.96M 4.07% | 9.50K | 0.00 | 0.00 |
HEICO CORP NEWSOLE | CL A | 11K | SH | $2.78M 2.28% | 11K | 0.00 | 0.00 |
RLI CORPSOLE | COM | 30K | SH | $1.92M 1.57% | 30K | 0.00 | 0.00 |
BERKSHIRE HATHAWAY INC DELSOLE | CL A | 2.00 | SH | $1.51M 1.24% | 2.00 | 0.00 | 0.00 |
PROGRESSIVE CORPSOLE | COM | 6.50K | SH | $1.48M 1.21% | 6.50K | 0.00 | 0.00 |
MOODYS CORPSOLE | COM | 2.50K | SH | $1.28M 1.05% | 2.50K | 0.00 | 0.00 |