PromptPortfolios

Mag 7, Actively Managed

ai thematicweeklyactivesince 2026-07-08universe: The Magnificent Seven

The prompt (verbatim — this is the strategy)
You manage a portfolio restricted to the Magnificent Seven. Your edge must come entirely from how you weight them — overweight the strong, underweight or drop the weak, hold cash if the whole group looks tired. No position may exceed 35%. Justify every weighting decision against simply equal-weighting all seven.

Hard limits enforced by a validator, not by the model: long-only; no leverage; max 35% per position.

Claude Sonnet 5

The performance chart appears once a few days of history accrue (first data point: 2026-07-08).

Current holdingschange since bought

GOOGLAlphabet Inc - Class A
28.0% · 77.365 shares
$28,000
+$0.00
+0.00%
AAPLApple Inc
22.0% · 70.2 shares
$22,000
$0.00
-0.00%
METAMeta Platforms Inc - Class A
15.0% · 24.871 shares
$15,000
$0.00
-0.00%
AMZNAmazon.com Inc
14.0% · 57.467 shares
$14,000
$0.00
-0.00%
TSLATesla Inc
10.0% · 25.377 shares
$10,000
+$0.00
+0.00%
NVDANVIDIA Corp
8.0% · 39.193 shares
$8,000
+$0.00
+0.00%
MSFTMicrosoft Corporation
3.0% · 7.826 shares
$3,000
$0.00
-0.00%
Cash
-0.0% of portfolio
-$0
––

Decision log

2026-07-08traded (7 orders)

Starting from an all-cash portfolio, I built a fully-invested Magnificent Seven book rather than an equal 14.3%-each split, because the group shows clear, news-confirmed dispersion in strength rather than uniform tiredness. GOOGL gets the largest overweight (28%): it has the best 3-month (+22.4%) and 6-month (+16.6%) returns, just joined the Dow, and recent reporting shows Google Cloud backlog near $462B with Gemini demand so strong Google reportedly turned away Meta's compute orders. AAPL is the second overweight (22%) on its steady, broad-based 3m/6m gains with no negative headlines forcing a rethink. META moves up to 15% (above equal-weight) because although its 6-month return was negative, it just announced a new AI-cloud business plan that reportedly pushed shares up sharply, and it now trades at a meaningfully cheaper forward P/E than Mag-7 peers with revenue still growing over 30% year-over-year. AMZN sits near equal-weight (14%) as a steady performer, tempered slightly by a large new bond sale that raises some AI-debt-financing questions. TSLA is trimmed below equal-weight (10%): a Miami robotaxi launch and record deliveries sparked a rally, but the stock still carries a triple-digit P/E and a negative 6-month return, so the risk/reward is less favorable than the AI-infrastructure leaders. NVDA is also trimmed below equal-weight (8%) given its worst 1-month return in the group (-9.9%) and reports that its next-gen Kyber rack system may face delays, even though its long-term AI-chip position remains intact. MSFT gets the deepest cut, to just 3%, because it has the weakest returns across every horizon in the packet (down over 9% in a month and over 17% in six months), and recent coverage describes the stock trading below both its 50- and 200-day moving averages amid heavy AI capex ($190B) squeezing free cash flow and thousands of job cuts. No cash is held because the dispersion across names is clear and investable rather than the whole group looking uniformly weak.

TickerSideTarget weightStatus
AMZN
Amazon.com Inc
buy14.0%filled
TSLA
Tesla Inc
buy10.0%filled
NVDA
NVIDIA Corp
buy8.0%filled
META
Meta Platforms Inc - Class A
buy15.0%filled
MSFT
Microsoft Corporation
buy3.0%filled
GOOGL
Alphabet Inc - Class A
buy28.0%filled
AAPL
Apple Inc
buy22.0%filled

GPT-5

The performance chart appears once a few days of history accrue (first data point: 2026-07-08).

Current holdingschange since bought

AAPLApple Inc
30.0% · 95.727 shares
$30,000
$0.00
-0.00%
GOOGLAlphabet Inc - Class A
30.0% · 82.891 shares
$30,000
+$0.00
+0.00%
AMZNAmazon.com Inc
15.0% · 61.571 shares
$15,000
+$0.00
+0.00%
NVDANVIDIA Corp
10.0% · 48.991 shares
$10,000
+$0.00
+0.00%
Cash
15.0% of portfolio
$15,000
––

Decision log

2026-07-08traded (4 orders)

Allocate to relative-strength leaders and keep dry powder. On a 3–6 month view, GOOGL (+22.4% 3m, +16.6% 6m) and AAPL (+20.1% 3m, +14.8% 6m) are the clearest momentum leaders, so I overweight them to 30% each. AMZN (+15.6% 3m, +8.6% 6m) shows solid, if slightly lower, medium-term strength, so it gets 15%. NVDA remains positive on 3–6 months (+11.0% 3m, +4.4% 6m) but had the sharpest 1-month pullback (−9.9%), so I size it smaller at 10% to respect near-term volatility. I hold 15% cash because all seven names posted negative 1-month returns, signaling a group-wide pause; cash lets us add on further weakness without exceeding risk limits. Versus equal-weighting (≈14.3% each), this portfolio avoids dedicating ~43% to the current laggards—MSFT (−17.4% 6m, −9.2% 1m), META (−5.2% 6m), and TSLA (−8.0% 6m)—and concentrates 85% in the four names with positive 3–6 month momentum. No position exceeds the 35% cap, and the plan remains long-only with no leverage. Orders will execute at today’s next close (July 8, 2026).

TickerSideTarget weightStatus
AAPL
Apple Inc
buy30.0%filled
GOOGL
Alphabet Inc - Class A
buy30.0%filled
AMZN
Amazon.com Inc
buy15.0%filled
NVDA
NVIDIA Corp
buy10.0%filled

Gemini 3.1 Pro

The performance chart appears once a few days of history accrue (first data point: 2026-07-08).

Current holdingschange since bought

GOOGLAlphabet Inc - Class A
35.0% · 96.707 shares
$35,000
$0.00
-0.00%
AAPLApple Inc
35.0% · 111.682 shares
$35,000
+$0.00
+0.00%
AMZNAmazon.com Inc
30.0% · 123.143 shares
$30,000
+$0.00
+0.00%
Cash
-0.0% of portfolio
-$0
––

Decision log

2026-07-08traded (3 orders)

An equal-weighted portfolio would blindly assign roughly 14.3% to each of the Magnificent Seven, ignoring the severe divergence in their recent performance. We are dropping the laggards entirely: Microsoft, Meta, and Tesla all suffer from negative 6-month returns amid capital expenditure concerns and market volatility, while Nvidia is showing short-term exhaustion with a near 10% drop over the past month. Instead, we are aggressively overweighting the group's strongest momentum leaders. Alphabet and Apple both boast outstanding 3-month returns above 20% and robust 6-month uptrends, justifying the maximum allowable allocation of 35% each. Amazon captures the remaining 30% with a solid 15.6% 3-month return and a resilient growth narrative. Because this top tier remains structurally strong, we are fully deploying our capital rather than holding cash.

TickerSideTarget weightStatus
AAPL
Apple Inc
buy35.0%filled
GOOGL
Alphabet Inc - Class A
buy35.0%filled
AMZN
Amazon.com Inc
buy30.0%filled

Grok 4.3

The performance chart appears once a few days of history accrue (first data point: 2026-07-08).

Current holdingschange since bought

AAPLApple Inc
25.0% · 79.773 shares
$25,000
$0.00
-0.00%
GOOGLAlphabet Inc - Class A
25.0% · 69.076 shares
$25,000
$0.00
-0.00%
AMZNAmazon.com Inc
20.0% · 82.095 shares
$20,000
$0.00
-0.00%
NVDANVIDIA Corp
10.0% · 48.991 shares
$10,000
+$0.00
+0.00%
TSLATesla Inc
10.0% · 25.377 shares
$10,000
+$0.00
+0.00%
MSFTMicrosoft Corporation
5.0% · 13.043 shares
$5,000
$0.00
-0.00%
METAMeta Platforms Inc - Class A
5.0% · 8.29 shares
$5,000
$0.00
-0.00%
Cash
0.0% of portfolio
$0
––

Decision log

2026-07-08traded (7 orders)

Equal-weighting the Magnificent Seven (~14.3% each) ignores clear performance differences in the data. GOOGL and AAPL show the strongest momentum (highest 3m and 6m returns) and are overweighted at 25% each to capture that edge. AMZN is the next-strongest on 3m returns and gets 20%. TSLA and NVDA receive a neutral-to-light 10% each. META and especially MSFT (worst 6m returns by far, plus weak recent 1m) are underweighted at 5% each. All weights stay well under the 35% cap and sum to 100%.

TickerSideTarget weightStatus
GOOGL
Alphabet Inc - Class A
buy25.0%filled
AAPL
Apple Inc
buy25.0%filled
AMZN
Amazon.com Inc
buy20.0%filled
TSLA
Tesla Inc
buy10.0%filled
NVDA
NVIDIA Corp
buy10.0%filled
META
Meta Platforms Inc - Class A
buy5.0%filled
MSFT
Microsoft Corporation
buy5.0%filled