Oberndorf William E

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 14, 2026), Oberndorf William E reported 7 stock positions worth $53.3 million. Its top holding was Unitedhealth (UNH) at 18.0% of the portfolio, followed by Guidewire Software (GWRE, 17.3%) and Sprott Physical Gold Trust (PHYS, 14.9%). Compared with Q4 2025, it opened 1 new position, sold out of 1, added to 1 and reduced 3. The biggest buy was a new position in Guidewire Software (GWRE) and the biggest sale an exit from Monday.com (MNDY).

Most Recent 13F
Q2 2026
Location
San Francisco, CA
CIK
0001218663
Portfolio Value
$53.3M (Q1 2026)
SEC Filing
0001193125-26-222994 ↗ filed May 14, 2026

Holdings Value

0$20.0M$40.0M$60.0M$80.0M$100.0M Q1 2024: $61.3M Q1 2024 Q2 2024: $57.0M Q2 2024 Q3 2024: $75.4M Q3 2024 Q4 2024: $59.9M Q4 2024 Q1 2025: $77.9M Q1 2025 Q2 2025: $90.5M Q2 2025 Q3 2025: $74.2M Q3 2025 Q4 2025: $79.0M Q4 2025 Q1 2026: $53.3M $53.3M Q1 2026 Q2 2026: $55.0M Q2 2026

Holdings 7 stocks · $53.3M
UNH Unitedhealth Group Inc. 18.03% 35,553 $9.6M No change
GWRE Guidewire Software Inc. 17.31% 61,751 $9.2M New
PHYS Sprott Physical Gold Trust 14.91% 224,439 $8.0M Reduce -45.4%
VEEV Veeva Systems Inc. Class A 14.87% 45,153 $7.9M Add +51.7%
AMZN Amazon.com Inc. 14.07% 36,031 $7.5M Reduce -31.9%
ADSK Autodesk Inc. 11.77% 26,220 $6.3M Reduce -37.8%
TEAM Atlassian Corp. Class A 9.04% 70,645 $4.8M No change

Portfolio Sells Q4 2025 → Q1 2026
MNDY Monday.com Ltd. Sold out 0.00% −13.77
ADSK Autodesk Inc. Reduce -37.8% 11.77% −4.02
PHYS Sprott Physical Gold Trust Reduce -45.4% 14.91% −2.29
AMZN Amazon.com Inc. Reduce -31.9% 14.07% −1.40

Portfolio Buys Q4 2025 → Q1 2026
GWRE Guidewire Software Inc. New 17.31% +17.31
VEEV Veeva Systems Inc. Class A Add +51.7% 14.87% +6.46

Notes & Other Activity Q4 2025 → Q1 2026
0 0 Sold out 0 $0before exit

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 8$55.0MUNH, GWRE, AMZN, VEEV, PHYS
Q1 2026 7$53.3MUNH, GWRE, PHYS, VEEV, AMZN
Q4 2025 7$79.0MPHYS, ADSK, AMZN, UNH, TEAM
Q3 2025 7$74.2MMNDY, ADSK, UNH, AMZN, VEEV
Q2 2025 8$90.5MMNDY, ADSK, AMZN, DDOG, VEEV
Q1 2025 8$77.9MVEEV, AMZN, MNDY, TEAM, ADSK
Q4 2024 6$59.9MAMZN, VEEV, TEAM, ADSK, MNDY
Q3 2024 8$75.4MTEAM, VEEV, AMZN, DDOG, MNDY
Q2 2024 9$57.0MDDOG, TEAM, AMZN, VEEV, MNDY
Q1 2024 9$61.3MDDOG, TEAM, VEEV, AMZN, MNDY