Last refreshed: October 26, 2026 (US ET)
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MRNA

Growth

MODERNA INC

Health Care·Biotechnology

Moderna, Inc., a biotechnology company, provides messenger RNA medicines in the United States, Europe, and internationally. The company's respiratory vaccines include spikevax, mNEXSPIKE, mRESVIA, COVID, RSV, seasonal influenza, combination, and pandemic influenza vaccine; latent vaccines comprise cytomegalovirus, epstein-barr virus, and human immunodeficiency virus vaccines; enteric viruses include norovirus; public health vaccines consist of Zika, Nipah, and Mpox vaccines; and bacterial diseases vaccines, such as lyme vaccines. It also provides oncology therapeutics, such as intismeran autogene, cancer antigen therapy, t-cell engager, and cell therapy enhancer; and rare disease products, including propionic and methylmalonic acidemia, and cystic fibrosis.

Close · 3M

+283.85%

MRNA · 3M

+283.85%

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Held by 2 AI ETFs

BUZZ1.240%

as of Oct 22

LQAI0.250%

as of Oct 22

Signal performance

Each tracked ETF's moves on this stock, grouped by fund. Returns are measured from the signal date to the latest close — hypothetical, no commissions or slippage.

Buy signals22
Win rate59% (13/22)
Avg buy return-0.53%
BUZZnow 1.240% of fund18 signals

BUZZ · Weight increase · 2d

weight 1.320% → 1.440% (+0.120 pp)·stock up 40.0% in the 30 days before

Oct 20·entry $242.08·now $200.10Fresh

-17.34%
since Oct 20

BUZZ · Weight decrease · 2d

weight 5.050% → 1.320% (-3.730 pp)·stock up 37.9% in the 30 days before

Oct 16·entry $218.01·now $200.10

-8.22%
since Oct 16

BUZZ · Sudden change · 1d

weight 5.050% → 1.360% (-3.690 pp)·stock up 62.4% in the 30 days before

Oct 15·entry $236.50·now $200.10

-15.39%
since Oct 15

BUZZ · Accumulation · 5d

weight 4.190% → 5.050% (+0.860 pp)·stock up 57.4% in the 30 days before

Oct 14·entry $226.30·now $200.10Fresh

-11.58%
since Oct 14

BUZZ · Accumulation · 5d

weight 3.940% → 4.620% (+0.680 pp)·stock up 47.4% in the 30 days before

Oct 13·entry $216.25·now $200.10Fresh

-7.47%
since Oct 13

BUZZ · Weight increase · 3d

weight 3.850% → 4.700% (+0.850 pp)·stock up 64.7% in the 30 days before

Oct 9·entry $225.00·now $200.10Fresh

-11.07%
since Oct 9

BUZZ · Weight increase · 2d

weight 3.850% → 4.170% (+0.320 pp)·stock up 45.3% in the 30 days before

Oct 8·entry $197.00·now $200.10Fresh

+1.57%
since Oct 8

BUZZ · Sudden change · 1d

weight 4.190% → 3.850% (-0.340 pp)·stock up 28.8% in the 30 days before

Oct 6·entry $187.46·now $200.10

+6.74%
since Oct 6

BUZZ · Weight decrease · 3d

weight 4.250% → 3.940% (-0.310 pp)·stock up 26.0% in the 30 days before

Oct 2·entry $190.01·now $200.10

+5.31%
since Oct 2

BUZZ · Accumulation · 5d

weight 3.680% → 3.960% (+0.280 pp)·stock up 22.5% in the 30 days before

Oct 1·entry $188.94·now $200.10Drifting

+5.91%
since Oct 1

BUZZ · Accumulation · 6d

weight 3.530% → 4.040% (+0.510 pp)·stock up 37.2% in the 30 days before

Sep 30·entry $192.57·now $200.10Drifting

+3.91%
since Sep 30

BUZZ · Accumulation · 7d

weight 3.260% → 4.250% (+0.990 pp)·stock up 47.4% in the 30 days before

Sep 29·entry $203.46·now $200.10Fresh

-1.65%
since Sep 29

BUZZ · Accumulation · 6d

stock up 38.2% in the 30 days before

Sep 28·entry $197.28·now $200.10Fresh

+1.43%
since Sep 28

BUZZ · Accumulation · 6d

stock up 32.9% in the 30 days before

Sep 25·entry $198.88·now $200.10Fresh

+0.61%
since Sep 25

BUZZ · Accumulation · 5d

stock up 22.7% in the 30 days before

Sep 24·entry $194.82·now $200.10Drifting

+2.71%
since Sep 24

BUZZ · Weight increase · 3d

stock up 31.1% in the 30 days before

Sep 23·entry $182.11·now $200.10Drifting

+9.88%
since Sep 23

BUZZ · Weight increase · 2d

stock up 25.8% in the 30 days before

Sep 22·entry $182.56·now $200.10Drifting

+9.61%
since Sep 22

BUZZ · New entry · 1d

stock up 151.1% in the 30 days before

Sep 17·entry $158.07·now $200.10Chased

+26.59%
since Sep 17
LQAInow 0.250% of fund5 signals

LQAI · Weight increase · 2d

weight 0.270% → 0.300% (+0.030 pp)·stock up 40.0% in the 30 days before

Oct 20·entry $242.08·now $200.10Fresh

-17.34%
since Oct 20

LQAI · Accumulation · 5d

weight 0.220% → 0.290% (+0.070 pp)·stock up 62.4% in the 30 days before

Oct 15·entry $236.50·now $200.10Fresh

-15.39%
since Oct 15

LQAI · Weight increase · 3d

weight 0.220% → 0.270% (+0.050 pp)·stock up 64.7% in the 30 days before

Oct 9·entry $225.00·now $200.10Fresh

-11.07%
since Oct 9

LQAI · Weight increase · 2d

weight 0.220% → 0.240% (+0.020 pp)·stock up 45.3% in the 30 days before

Oct 8·entry $197.00·now $200.10Fresh

+1.57%
since Oct 8

LQAI · New entry · 1d

weight 0 → 0.250% (new)·stock up 47.4% in the 30 days before

Sep 29·entry $203.46·now $200.10Fresh

-1.65%
since Sep 29
AIUPno longer held4 signals

AIUP · Exit · 1d

weight 5.010% → 0 (exited)·stock up 38.2% in the 30 days before

Sep 28·entry $197.28·now $200.10

+1.43%
since Sep 28

AIUP · Weight increase · 3d

stock up 32.9% in the 30 days before

Sep 25·entry $198.88·now $200.10Fresh

+0.61%
since Sep 25

AIUP · Weight increase · 2d

stock up 22.7% in the 30 days before

Sep 24·entry $194.82·now $200.10Drifting

+2.71%
since Sep 24

AIUP · New entry · 1d

stock up 29.7% in the 30 days before

Sep 21·entry $172.94·now $200.10Chased

+15.70%
since Sep 21

Sell signals show what the stock did after the AI exited. A negative number means the AI's exit was well-timed.

Buffett-style framework

Too hard to callas of Sep 27

AI ETFs like AIUP and BUZZ show strong accumulation and new entries into Moderna, indicating a bullish stance. This contrasts sharply with a Buffett-style value investing framework, which would classify Moderna as 'Too Hard' to analyze due to the unpredictable nature of its future earnings in the biotechnology sector.

  • Circle of CompetenceThe biotechnology industry, characterized by high R&D intensity, clinical trial uncertainty, and patent cliffs, makes predicting long-term cash flows challenging for companies like Moderna.
  • Economic MoatThis stage is not applicable as the company fails the circle of competence criterion.
  • ManagementThis stage is not applicable as the company fails the circle of competence criterion.
  • Financial HealthThis stage is not applicable as the company fails the circle of competence criterion.
  • Margin of SafetyThis stage is not applicable as the company fails the circle of competence criterion.

Moderna operates in the highly unpredictable biotechnology sector, where future cash flows are difficult to project due to R&D risks and regulatory uncertainties, thus falling outside a traditional value investor's circle of competence. While the company may possess innovative technology, the lack of stable unit economics makes a ten-year earning power prediction unreliable within this framework. Consequently, a comprehensive analysis of its economic moat, management, financials, and intrinsic value cannot be reliably performed.

Educational interpretation generated by AI applying frameworks Warren Buffett documented in his shareholder letters and other public writings. Not a statement by Mr. Buffett or Berkshire Hathaway, and not investment advice.