Friends Of The Cornell Lab Of Ornithology, Inc. holds a concentrated book of 5 stocks worth $123.8M as of Q2 2026 (disclosed Aug 14, 2026, a ~45-day 13F lag). Their largest long position is SS SPDR S&P 500 ETF Trust-US at 33% of the equity 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.
18% 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
No trims or exits this quarter.
Other tracked managers holding the same core names as Friends Of The Cornell Lab Of Ornithology, Inc.
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Mirae Asset Global Investments Co., Ltd. | 5 / 5 | $264.8B |
| Vavra Capital Management, LLC | 3 / 5 | $62.9M |
| Attessa Capital LLC | 2 / 5 | $117.0M |
| Consolidated Portfolio Review Corp | 4 / 5 | $559.8M |
| Gainplan LLC | 2 / 5 | $111.3M |
| Valor Advisors LLC | 2 / 5 | $58.2M |
| Canton Hathaway, LLC | 5 / 5 | $222.7M |
| XP Advisory US, Inc. | 2 / 5 | $77.9M |
Ranked by the share of each fund's own book sitting in the names it shares with Friends Of The Cornell Lab Of Ornithology, Inc.: 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 stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | State STR SPDR S&P 500 ETF T TR UNIT | $40.7M | 54.5K | 32.9% | ▲+3.2% Added · +2K sh | |
| 2 | Ishares TR RUSSELL 2000 ETF | $31.4M | 104.5K | 25.4% | ▲+3.5% Added · +4K sh | |
| 3 | Berkshire Hathaway Inc Del CL A | $22.5M | 30 | 18.2% | —Held | |
| 4 | Vanguard Tax-Managed FDS VAN FTSE DEV MKT | $19.5M | 273.7K | 15.8% | ▲+2.6% Added · +7K sh | |
| 5 | Ishares TR MSCI EMG MKT ETF | $9.7M | 141.9K | 7.8% | ▲+2.2% Added · +3K sh |
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.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/2145869/holdings"
Use Arkolith to show FRIENDS OF THE CORNELL LAB OF ORNITHOLOGY, INC.'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.
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 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. Price-derived performance is withheld until the price-source policy and freshness gate are green.