MENLO ADVISORS LLC

CIK 1279708 · View on SEC EDGAR ↗

Portfolio value
$186K
#9,354 of 9,443 by 13F value · top 99.1%
Positions
29
As of
June 30, 2025 Data as of Q2 2025

Portfolio value QoQ: -11.8% 13F does not disclose cash

Top 10 holdings weight
69.69%
Top 25 holdings weight
99.51%
Positions above 1%
21
Effective number of positions
15.8

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2025: 1.82% Est. buys $3,605 · sells $47,663

New positions
3
Increased
0
Decreased
21
Closed
2
On this page

Sector breakdown

Technology
13.1%
Health Care
4.9%
Industrials
2.8%
Retail
0.2%
Other/Unmapped
78.8%

Full portfolio 29 positions

Type Streak 8Q trend
BRKB $25,601 13.80% 52,702 $-2,898 Down ×2
Unknown issuer (CUSIP: 78463v107) $14,785 7.97% 48,503 $-2,814 Down ×2
Unknown issuer (CUSIP: 02079k107) $13,728 7.40% 77,393 $1,512 Down ×2
MSFT Microsoft Corporation - Common Stock $13,516 7.28% 27,172 $3,085 Down ×2
Unknown issuer (CUSIP: 92189f106) $12,297 6.63% 236,215 $1,305 Down ×1
Unknown issuer (CUSIP: 02079k305) $11,185 6.03% 63,473 $1,246 Down ×2
Unknown issuer (CUSIP: 02072l102) $10,947 5.90% 248,740 $227 Down ×1
AAPL Apple Inc. - Common Stock $10,874 5.86% 53,001 $-1,121 Down ×2
ABT Abbott Laboratories Common Stock $9,185 4.95% 67,536 $35 Down ×2
Unknown issuer (CUSIP: 48251w104) $7,206 3.88% 54,175 $758 Down ×2
Unknown issuer (CUSIP: 00287y109) $7,100 3.83% 38,252 $-1,019 Down ×2
Unknown issuer (CUSIP: 17275r102) $6,517 3.51% 93,944 $648 Down ×1
Unknown issuer (CUSIP: 37954y293) $6,309 3.40% 100,697 $-224 Down ×1
Unknown issuer (CUSIP: 88160r101) $6,080 3.28% 19,140 $1,120
LMT Lockheed Martin Corporation Common Stock $5,254 2.83% 11,345 $97 Down ×2
Unknown issuer (CUSIP: g7709q104) $4,731 2.55% 131,325 $584 Down ×1
Unknown issuer (CUSIP: 85208p303) $4,160 2.24% 86,804 $1,269 Down ×2
MEMX $4,045 2.18% 123,590 $518 Down ×2
Unknown issuer (CUSIP: 85207k107) $3,101 1.67% 253,380 Up ×1
RVT Royce Small-Cap Trust, Inc. Common Stock $2,938 1.58% 195,242 $76 Down ×1
Unknown issuer (CUSIP: 97717x669) $2,339 1.26% 27,935 $103 Down ×1
Unknown issuer (CUSIP: 44267t102) $1,000 0.54% 14,827 $-132 Down ×2
Unknown issuer (CUSIP: 78462f953) $841 0.45% 1,000 $-27,129 Down ×1
FNDF $616 0.33% 15,403 $60
Unknown issuer (CUSIP: 85207h104) $304 0.16% 12,000 $16
Unknown issuer (CUSIP: 22788c105) $285 0.15% 561 Up ×1
HD Home Depot, Inc. (The) Common Stock $233 0.13% 636 $0
AMZN Amazon.com, Inc. - Common Stock $219 0.12% 1,000
Unknown issuer (CUSIP: 25461a304) $175 0.09% 10,000 $5

Biggest new bets

New positions opened this quarter, largest first.

Security Value Shares % of portfolio
Unknown issuer (CUSIP: 85207k107) $3,101 253,380 1.67%
Unknown issuer (CUSIP: 22788c105) $285 561 0.15%
AMZN $219 1,000 0.12%

Top movers (QoQ)

Security Action Shares Δ Value Δ
MSFT Trimmed -615 +$3K
BRKB Trimmed -810 -$3K
Trimmed -13K -$3K
Trimmed -800 +$2K
Trimmed -3K +$1K
Trimmed -2K +$1K
Trimmed -800 +$1K
AAPL Trimmed -1K -$1K
Price move only +0 +$1K
Trimmed -500 -$1K

1 position hidden (data completeness check)

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

SecurityQuarter Shares before Value before Price since exit
EXE March 31, 2025 37,101 $3,693 -13.3%
AMZN March 31, 2025 1,000 $219 36.7%