Hingham Institution for Savings holds a concentrated book of 15 stocks worth $134.3M as of Q2 2026 (disclosed Jul 21, 2026, a ~45-day 13F lag). This quarter they opened Northeast Bank and trimmed Alphabet Inc-CL A. Their largest long position is Alphabet Inc-CL A at 28% of the equity book. Cloning the disclosed picks since 2026 would be +2% (+4.7%/yr). That is a simulation of the disclosed long book, not audited returns.
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curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/2044671/holdings"
Use Arkolith to show Hingham Institution for Savings's latest holdings, largest changes, and filing provenance.
Following at the filing date actually beat the quarter-end book by 3.2 points over this window.
Growth of $10,000 cloning Hingham Institution for Savings's disclosed long 13F book, rebalanced on each filing date (so it reflects the ~45-day reporting lag, no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
99% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Hingham Institution for Savings
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| BlackRock, Inc. | 17 / 15 | $303.4B |
| MORGAN STANLEY | 17 / 15 | $78.4B |
| NORTHERN TRUST CORP | 17 / 15 | $41.1B |
| GOLDMAN SACHS GROUP INC | 17 / 15 | $34.7B |
| Legal & General Group Plc | 17 / 15 | $24.0B |
| ROYAL BANK OF CANADA | 17 / 15 | $23.5B |
| WELLS FARGO & COMPANY/MN | 17 / 15 | $17.4B |
| UBS Group AG | 17 / 15 | $17.4B |
Ranked by how many of Hingham Institution for Savings's top 15 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Alphabet Inc CAP STK CL A | $37.9M | 106.0K | 28.2% | ▼−11% Reduced · −14K sh | |
| 2 | Visa Inc COM CL A | $22.7M | 66.2K | 16.9% | ▲+1.5% Added · +1K sh | |
| 3 | Berkshire Hathaway Inc Del CL B NEW | $20.7M | 41.5K | 15.4% | —Held | |
| 4 | Chain Bridge Bancorp Inc CL A | $14.1M | 334.1K | 10.5% | ▲+8.3% Added · +26K sh | |
| 5 | Mastercard Incorporated CL A | $9.8M | 19.1K | 7.3% | ▲+5.5% Added · +1K sh | |
| 6 | Heico Corp New CL A | $6.8M | 26.5K | 5.1% | ▲+61% Added · +10K sh | |
| 7 | Progressive Corp COM | $5.6M | 25.5K | 4.1% | ▲+292% Added · +19K sh | |
| 8 | S&P Global Inc COM | $4.9M | 12.0K | 3.6% | —Held | |
| 9 | Intl GNRL Insurance HLDNGS L SHS | $2.1M | 80.4K | 1.6% | ▲+45% Added · +25K sh | |
| 10 | Rli Corp COM | $2.1M | 35.0K | 1.5% | —Held | |
| 11 | Moodys Corp COM | $2.0M | 4.5K | 1.5% | —Held | |
| 12 | Northeast BK Portland Me COM | $1.6M | 12.0K | 1.2% | ▲New New position | |
| 13 | Berkshire Hathaway Inc Del CL A | $1.5M | 2 | 1.1% | —Held | |
| 14 | Kinsale Cap Group Inc COM | $1.3M | 4.0K | 1.0% | —Held | |
| 15 | Amphenol Corp CL A | $1.2M | 7.0K | 0.9% | —Held |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Jul 21, 2026 | 15 | $134.3M | 13F-HR |
| Q1 2026 | Mar 31, 2026 | Apr 15, 2026 | 15 | $113.2M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Jan 30, 2026 | 12 | $122.0M | 13F-HR/A |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.