Hingham Institution for Savings holds a concentrated book of 15 reported positions worth $134.3M as of Q2 2026 (disclosed Jul 21, 2026, a ~21-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 reported non-option book.
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 (an exit at the prior quarter-end), no cost basis
Other tracked managers holding the same core names as Hingham Institution for Savings
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Mirae Asset Global Investments Co., Ltd. | 9 / 15 | $266.7B |
| Pangea Capital Gestao de Recursos Ltda. | 2 / 15 | $108.1M |
| Hikari Tsushin, Inc. | 5 / 15 | $1.1B |
| Hengistbury Investment Partners LLP | 2 / 15 | $194.7M |
| Daniel Investment Group, Inc. | 4 / 15 | $99.1M |
| Blacksheep Fund Management Ltd | 2 / 15 | $142.8M |
| United American Securities Inc. (d/b/a UAS Asset Management) | 3 / 15 | $213.0M |
| Armstrong Henry H Associates Inc | 6 / 15 | $472.5M |
Ranked by the share of each fund's own book sitting in the names it shares with Hingham Institution for Savings: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each position'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 |
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
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Use Arkolith to show Hingham Institution for Savings's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Reported 13F total per quarter. Raw filing totals can include option notional.
| Quarter | As of | Filed | Lag | Positions | Value | Form |
|---|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Jul 21, 2026 | 21d | 15 | $134.3M | 13F-HR |
| Q1 2026 | Mar 31, 2026 | Apr 15, 2026 | 15d | 15 | $113.2M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Jan 30, 2026 | 30d | 12 | $122.0M | 13F-HR/A |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. Disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.