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Q2 2026 13F · SEC CIK 2145869

Friends of the Cornell Lab of Ornithology, Inc.

Investment managerFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value
$123.8M
Reported positions
5
Holdings vs S&P 500, 3 yrs
—
Average holding period
2 qtrs

Friends of the Cornell Lab of Ornithology, Inc. is an investment manager that reported 5 positions worth $123.8M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Spdr S&p 500 ETF Tr (SPY, 32.9%), Ishares (IWM, 25.4%), Berkshire Hathaway Inc Del (BRK-A, 18.2%).

Friends of the Cornell Lab of Ornithology, Inc. holdings all 5 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Friends of the Cornell Lab of Ornithology, Inc. 13F holdings
Stock% of 13F valueShare changeReported value
SPYSpdr S&p 500 ETF Tr32.9%+3.2%$40.7M
IWMIshares25.4%+3.5%$31.4M
BRK-ABerkshire Hathaway Inc Del18.2%+0.0%$22.5M
VEAVanguard Tax-Managed Fds15.8%+2.6%$19.5M
EEMIshares7.8%+2.2%$9.7M

What Friends of the Cornell Lab of Ornithology, Inc. bought and sold in Q2 2026, against Q1 2026.

New positions

No new positions among the largest holdings.

Added to

No position grew by more than 5%.

Reduced

No position shrank by more than 5%.

Sold out

Nothing sold out.

Share counts compared with the Q1 2026 13F; a split also changes share counts.

How the holdings did against the S&P 500.

1 year
—
3 years
—
5 years
—

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter13F valuePositions
Q2 2026$123.8M5
Q1 2026$105.9M5

Questions about Friends of the Cornell Lab of Ornithology, Inc.'s portfolio

What stocks does Friends of the Cornell Lab of Ornithology, Inc. own?

Friends of the Cornell Lab of Ornithology, Inc.'s latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 5 positions worth $123.8M. The largest are Spdr S&p 500 ETF Tr (SPY) at 32.9%, Ishares (IWM) at 25.4%, Berkshire Hathaway Inc Del (BRK-A) at 18.2%, Vanguard Tax-Managed Fds (VEA) at 15.8% and Ishares (EEM) at 7.8%.

What did Friends of the Cornell Lab of Ornithology, Inc. buy last quarter?

Friends of the Cornell Lab of Ornithology, Inc. opened no new positions and grew none by more than 5% among its largest holdings in Q2 2026.

What did Friends of the Cornell Lab of Ornithology, Inc. sell last quarter?

Friends of the Cornell Lab of Ornithology, Inc. sold out of nothing and cut no large position by more than 5% in Q2 2026.

When is Friends of the Cornell Lab of Ornithology, Inc.'s next 13F filing due?

13F filings are due 45 days after each quarter ends. Friends of the Cornell Lab of Ornithology, Inc.'s filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.