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FRIENDS OF THE CORNELL LAB OF ORNITHOLOGY, INC.

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13F filer, CIK 2145869, Riverside, CT

FRIENDS OF THE CORNELL LAB OF ORNITHOLOGY, INC. reported $105,899,571 across 5 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001140361-26-032990

Period
2026-03-31
Reported value
$106M
Holdings
5
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
SPYadded+2,198$1.43M
IWMadded+4,038$1M
VEAadded+11,517$738K
EEMadded+5,499$312K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

None.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001140361-26-032990, largest first. % of portfolio is the value over $105,899,571, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SPYSTATE STR SPDR S&P 500 ETF TQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 50,584 shares; 2026Q1: 52,782 shares 52,782$34.3M32.41%+2,198Timeline
IWMISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 96,994 shares; 2026Q1: 101,032 shares 101,032$25.1M23.66%+4,038Timeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 30 shares; 2026Q1: 30 shares 30$21.5M20.34%0Timeline
VEAVANGUARD TAX-MANAGED FDSQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 255,134 shares; 2026Q1: 266,651 shares 266,651$17.1M16.14%+11,517Timeline
EEMISHARES TRQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not loaded; 2024Q4: not loaded; 2025Q1: not loaded; 2025Q2: not loaded; 2025Q3: not loaded; 2025Q4: 133,373 shares; 2026Q1: 138,872 shares 138,872$7.89M7.45%+5,499Timeline

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001140361-26-032990 base2026-08-14acceptance time not in the bulk data set