Friends of the Cornell Lab of Ornithology, Inc.

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Friends of the Cornell Lab of Ornithology, Inc. reported 5 stock positions worth $123.8 million. Its top holding was SS SPDR S&P 500 ETF Trust-US (SPY) at 32.9% of the portfolio, followed by iShares Russell 2000 ETF (IWM, 25.4%) and Berkshire Hathaway Class A (BRK.A, 18.2%). Compared with Q1 2026, it added to 4. The biggest buy was iShares Russell 2000 ETF (IWM, shares +3%).

Most Recent 13F
Q2 2026
Location
Riverside, CT
CIK
0002145869
Portfolio Value
$123.8M (Q2 2026)
SEC Filing
0001140361-26-032993 ↗ filed Aug 14, 2026

Holdings Value

0$50.0M$100.0M$150.0M Q4 2025: $104.2M Q4 2025 Q1 2026: $105.9M Q1 2026 Q2 2026: $123.8M $123.8M Q2 2026

Holdings 5 stocks · $123.8M
SPY SS SPDR S&P 500 ETF Trust-US 32.87% 54,482 $40.7M Add +3.2%
IWM iShares Russell 2000 ETF 25.38% 104,532 $31.4M Add +3.5%
BRK.A Berkshire Hathaway Inc. Class A 18.15% 30 $22.5M No change
VEA Vanguard Ftse Developed ETF 15.75% 273,651 $19.5M Add +2.6%
EEM iShares MSCI Emerging Market 7.84% 141,872 $9.7M Add +2.2%

Portfolio Sells Q1 2026 → Q2 2026
None this quarter.

Portfolio Buys Q1 2026 → Q2 2026
IWM iShares Russell 2000 ETF Add +3.5% 25.38% +1.72
SPY SS SPDR S&P 500 ETF Trust-US Add +3.2% 32.87% +0.46
EEM iShares MSCI Emerging Market Add +2.2% 7.84% +0.40
VEA Vanguard Ftse Developed ETF Add +2.6% 15.75% −0.38

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 5$123.8MSPY, IWM, BRK.A, VEA, EEM
Q1 2026 5$105.9MSPY, IWM, BRK.A, VEA, EEM
Q4 2025 5$104.2MSPY, IWM, BRK.A, VEA, EEM