HINGHAM INSTITUTION FOR SAVINGS
Q4 2025 Form 13-F
HINGHAM, MASSACHUSETTS
CIK 0002044671
· Institutional investment manager
$122.0M Reported Value Total
Reported value
$122.0M
Quarter over quarter
0.0%
Holdings
12
Top-10 concentration
98.9%
Key People
Named on the latest Form 13-F filing — not necessarily an owner
Aryn Sands
Agent
Filing Navigation
13F Metrics
Loading 13F Metrics
Q4 2025 13F record
Q4 2025 13F filing summary
| Period of report | December 31, 2025 |
|---|---|
| Filed | January 29, 2026 |
| Form | 13F-HR |
| Reported value | $122.0M |
| Positions | 12 |
| Change in reported value | First reported quarter |
| Top-10 concentration | 98.9% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q3 2026 13F
Filed Oct 19, 2026
|
15 | $134.0M |
|
Q2 2026 13F
Filed Jul 21, 2026
|
15 | $134.3M |
|
Q1 2026 13F
Filed Apr 15, 2026
|
15 | $113.2M |
|
Q4 2025 13F
Filed Jan 29, 2026
|
12 | $122.0M |
Top 12 holdings · Q4 2025
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | GOOGL ALPHABET INC | $46.6M | 38.2% |
| 2 | BRK-B BERKSHIRE HATHAWAY INC DEL | $20.8M | 17.07% |
| 3 | V VISA INC | $20.7M | 17.0% |
| 4 | CBNA CHAIN BRIDGE BANCORP INC | $10.2M | 8.33% |
| 5 | MA MASTERCARD INCORPORATED | $9.6M | 7.91% |
| 6 | SPGI S&P GLOBAL INC | $5.0M | 4.07% |
| 7 | HEIA HEICO CORP NEW | $2.8M | 2.28% |
| 8 | RLI RLI CORP | $1.9M | 1.57% |
| 9 | BRK-A BERKSHIRE HATHAWAY INC DEL | $1.5M | 1.24% |
| 10 | PGR PROGRESSIVE CORP | $1.5M | 1.21% |
| 11 | MCO MOODYS CORP | $1.3M | 1.05% |
| 12 | JMSB JOHN MARSHALL BANCORP INC | $100.0K | 0.08% |
Values as reported on the Q4 2025 Form 13F. Every position is in the holdings table below.