Glasshouse Fund
Decision journal

AI fund buys AAPL, sells NVDA · July 31, 2026

The portfolio remains on a neutral footing balancing clear strengths in core tech and healthcare holdings against notable risks from NVDA and META underperformance, along with sector concentration and fading momentum across some names. Elevated cash supports risk mitigation and operational flexibility, avoiding aggressive repositioning at this juncture. A modest buy in AAPL is warranted to capitalize on persistent strength, while further NVDA trimming protects against downside. Other positions should be held with close monitoring to avoid overtrading yet retain growth potential. Vigilance and disciplined risk management remain critical to navigate ongoing sector volatility.

Outlook: NEUTRALPortfolio $1,026,287Cash 26.3%Grounding: ok

Trades

BUY 15 AAPL75% · filled at $303

Strong 30-day momentum of ~17.5%, robust fundamentals, and recent positive news despite short-term cautious forecasts warrant a modest increase to capitalize on continued growth potential.

Risks the AI named
SELL 50 NVDA70% · filled at $199

Recent underperformance, negative 5d and 30d returns, and mixed news with bearish influence from notable short positions support further partial trimming to reduce risk exposure.

Risks the AI named

Market calls

A directional call (beat or lag the S&P 500 over the horizon) on every researched name, whether or not the fund traded it. 33 calls (13 outperform, 20 underperform); 1 became trades. These are the fund's calibration record.

beat SPYlag SPYAAPL: outperform at 70%AMD: underperform at 70%AMZN: outperform at 60%APLD: underperform at 55%ASML: underperform at 60%AVGO: outperform at 60%BE: underperform at 60%CAT: underperform at 65%CORZ: underperform at 60%CRWV: underperform at 60%GLW: underperform at 70%GOOGL: outperform at 55%HD: underperform at 55%INTC: underperform at 65%IREN: underperform at 60%JNJ: outperform at 60%JPM: outperform at 60%MA: outperform at 65%META: underperform at 65%MSFT: outperform at 75%MU: underperform at 65%NVDA: underperform at 70%ORCL: underperform at 60%PG: underperform at 55%QQQ: underperform at 60%SNDK: underperform at 70%SPY: outperform at 55%TSLA: underperform at 70%TSM: underperform at 60%UNH: outperform at 55%V: outperform at 65%WMT: outperform at 55%XOM: outperform at 65%50%60%70%80%90%100%
Each tick is one call, placed by stated confidence. Hover for the name.
All 33 calls, with reasoning
SymbolCallConf.Why
MSFTOutperform SPY75%Sustained strong recent momentum and earnings beat support outperformance expectations.
AAPLOutperform SPY70%tradedStrong recent 30-day positive momentum and solid fundamentals indicate likely outperformance relative to SPY.
AMDUnderperform SPY70%Negative 5d and 30d returns and weak sector momentum suggest further underperformance versus SPY.
GLWUnderperform SPY70%Significant negative momentum and earnings miss signals probable underperformance.
NVDAUnderperform SPY70%Recent price declines, bearish sentiment, and sector uncertainty forecast likely underperformance.
SNDKUnderperform SPY70%Severe negative momentum and competitive pressures forecast continued underperformance.
TSLAUnderperform SPY70%Recent negative momentum and fading outlook signal further downside risk.
CATUnderperform SPY65%Negative 5d and 30d returns reflect cyclical challenges consistent with underperformance versus SPY.
INTCUnderperform SPY65%Negative 30d returns amid industry concerns indicate likely continued underperformance.
MAOutperform SPY65%Strong momentum in payments sector indicates expected outperformance.
METAUnderperform SPY65%Negative recent returns and sector regulatory risks suggest continued underperformance.
MUUnderperform SPY65%Fading momentum and supply risks in memory sector indicate underperformance risk.
VOutperform SPY65%Positive momentum in payments sector supports outperformance.
XOMOutperform SPY65%Strong recent 30d positive return amid energy sector strength supports outperformance.
AMZNOutperform SPY60%Modest positive momentum supported by post-earnings rally indicates slight outperformance over SPY.
ASMLUnderperform SPY60%Negative 30d return and chip sector headwinds indicate likely underperformance versus SPY.
AVGOOutperform SPY60%Positive momentum over 5d and 30d reflects strength in semiconductors and potential to outperform.
BEUnderperform SPY60%Recent surge amid ongoing allegations and sector uncertainty suggests probable underperformance risk.
CORZUnderperform SPY60%Ongoing downtrend and sector headwinds imply likely underperformance.
CRWVUnderperform SPY60%Negative 30d return driven by sector weakness likely to continue underperformance.
IRENUnderperform SPY60%Sector and recent momentum weakness suggest underperformance relative to SPY.
JNJOutperform SPY60%Stable returns and positive recent news signal likely outperformance versus broader market.
JPMOutperform SPY60%Positive returns and financial sector fundamentals support moderate outperformance.
ORCLUnderperform SPY60%Negative 30d momentum points to near-term underperformance risks.
QQQUnderperform SPY60%Slight negative 30d return amid tech volatility indicates underperformance versus SPY.
TSMUnderperform SPY60%Slight negative momentum and sector pressures suggest underperformance risk.
APLDUnderperform SPY55%Long-term negative momentum and volatile sector fundamentals suggest likely underperformance.
GOOGLOutperform SPY55%Mixed signals with slight negative momentum but ongoing innovation justify neutral outlook relative to SPY.
HDUnderperform SPY55%Modest negative momentum and sector cyclicality suggest slight underperformance risk.
PGUnderperform SPY55%Modest negative momentum with sector challenges suggests slight underperformance.
SPYOutperform SPY55%Slight negative return limits expectations for broad market outperformance.
UNHOutperform SPY55%Slight positive momentum but sector uncertainties warrant neutral stance.
WMTOutperform SPY55%Moderate positive momentum and defensive sector status justify holding.

The debate

Bull, bear and risk cases: bull 0.80 · bear 0.85 · risk 0.85
bull case · conviction 0.80

The current portfolio shows strong performance with several key holdings that demonstrate positive momentum and upcoming catalysts, making a compelling case for buying or holding positions, particularly in AAPL, MSFT, and AMZN, as these companies continue to exhibit solid growth despite recent fluctuations.

  • AAPL has solid momentum in the longer term (30d = 17.5%), despite short-term dips due to cautious forecasts. This indicates underlying strength that can rebound as supply and demand stabilize.
  • MSFT is experiencing significant positive momentum with a 5-day increase of approximately 18.2% and a 30-day jump of 20.9% following impressive earnings results and alleviated AI spending concerns, indicating strong investor confidence.
  • AMZN shows stable momentum with slight growth over 5d (1.5%) and 30d (1.2%), alongside a rally following earnings, suggesting continued resilience in its market segment amidst broader economic trends.
  • Overall, the market is showing signs of upward movement, particularly in tech sectors, driven by sustained AI investment, which is favorably impacting the top holdings of this portfolio.
bear case · conviction 0.85

The current holdings in the portfolio present significant downside risks, as evidenced by the weakening momentum among key positions and their exposure to broader market headwinds. The losses in NVDA and META, along with the fading 30-day momentum of several holdings, suggest potential for further declines and highlight serious concerns about maintaining value in the portfolio.

  • NVDA and META are currently in the red, indicating underperformance and potential for further losses.
  • The overall negative momentum over the past 30 days in several positions, including GOOGL and HD, signifies a troubling trend that could continue to erode portfolio value.
  • Factors contributing to fading momentum could include sector-specific challenges, declining investor sentiment, or broader market fluctuations, evidenced by the S&P 500's recent negative return.
  • The cumulative evidence suggests that rather than a steady ascent, these stocks may face greater risks that warrant reconsideration of their roles in the portfolio.
risk case · conviction 0.85

The portfolio exhibits significant risks tied to position concentration, sector tilt, and cash levels, which may lead to substantial capital exposure in adverse market conditions.

  • The top three positions (AAPL, AMZN, JNJ) constitute 69.1% of the portfolio, highlighting extreme concentration risk.
  • The portfolio's heavy sector concentration (41.3% in Information Technology and 30.1% in Consumer Discretionary) exposes it to sector-specific downturns, particularly if the tech sector faces headwinds.
  • A high cash level (25.8%) may appear defensive, but it also signifies missed investment opportunities and might lead to underperformance compared to fully invested portfolios.

Cash thesis

Cash level remains elevated at 25.8%, reflecting prudent risk management amid high concentration and sector risks. This buffer provides flexibility to capitalize on clearer opportunities or mitigate losses but restrains immediate growth potential during current tech rallies.

Full commentary

Bear case response

1) NVDA and META's underperformance is acknowledged and warrants cautious monitoring; partial trims have been executed recently to limit downside risk and will continue if negative momentum persists. 2) Negative momentum in GOOGL and HD are accepted as concerns but do not currently justify selling, given GOOGL's ongoing investment in long-term innovation (including 'Other Bets') and HD's stable fundamentals; close monitoring will continue. 3) The bear’s point on fading momentum across the portfolio is accepted, suggesting no aggressive new positioning but continuation of disciplined risk management and selective holding. 4) The characterization of AAPL’s momentum vulnerability to cautious forecasts is accepted but balanced by strong underlying performance and recent purchases supporting a cautious buy bias. MSFT’s impressive gains are recognized but tempered by overall market softness, supporting a hold stance. AMZN’s modest momentum and positive analyst sentiment support holding with no immediate trimming. Overall, the bear case highlights important risks which are mitigated through conservative trading and elevated cash, justifying a neutral stance.

Market summary

The market is showing mixed signals with continued AI-driven tech sector strength supporting select leaders like MSFT and AMZN. However, fading momentum and recent weakness in certain semiconductor stocks (NVDA) and technology stalwarts (GOOGL, META) highlight volatility and risk. The S&P 500’s slight negative return over 30 days reflects broader market uncertainties despite pockets of sector gains.

Portfolio assessment

The portfolio maintains strong core holdings with positive momentum in AAPL, MSFT, JNJ, and AMZN supporting stability and growth potential. NVDA’s recent underperformance and META’s small loss pose downside risks, and fading momentum in GOOGL and some cyclical names advise caution. Elevated cash (~25.8%) serves as a strategic buffer to manage concentrated risks and sector tilt, particularly given the portfolio's heavy exposure to Information Technology (~41%) and Consumer Discretionary (~30%), but it limits upside participation.

Risk assessment

Key portfolio risks include concentration in a few large-cap stocks (AAPL, AMZN, JNJ representing 69.1%) and sector concentration, heightening vulnerability to regulatory changes or sector cyclicality. The fading momentum and recent losses in NVDA and META highlight downside exposure. Prior risk lessons show the necessity to avoid overtrading but emphasize disciplined trimming and vigilance to manage downside while preserving growth exposure.

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