The 52-Week-High List: 23 Mid Cap Names On Tuesday
As of Tuesday, October 20, there are 23 Mid Cap US and Canada-listed stocks in the Trefis coverage universe trading at their 52-week highs. Mid Cap here means a market value between $10 billion and $40 billion, the upper figure excluded.
At about $35.9 billion in market value, Biogen (BIIB) is the largest company on the list; its stock is up 11.0% over the past month and up 70.0% over the past year. Health Care contributed the most names, 7 of the 23. For context, the S&P 500 is down 0.6% over the past month, including dividends.

The 10 Largest, By Market Cap
The table below shows the 10 largest of the 23 names, sorted by market capitalization, with returns over four windows:
| Tickers | Market Cap |
1D Return |
1W Return |
1M Return |
1Y Return |
|---|---|---|---|---|---|
| BIIB | $35.9 Bil | 4.1% | 6.2% | 11.0% | 70.0% |
| CNC | $35.0 Bil | 3.2% | 2.8% | 9.0% | 100.8% |
| WSM | $29.9 Bil | 1.8% | 6.2% | 12.1% | 38.9% |
| SN | $28.1 Bil | 5.2% | 5.3% | 18.6% | 111.6% |
| WST | $27.5 Bil | 1.3% | 4.6% | 7.5% | 44.1% |
| CHD | $25.1 Bil | 1.8% | 5.8% | 11.0% | 21.3% |
| IFF | $23.3 Bil | 0.3% | 3.4% | 9.1% | 46.3% |
| PR | $20.8 Bil | 0.2% | 2.4% | 13.1% | 109.1% |
| OVV | $19.7 Bil | 0.4% | 5.4% | 16.8% | 99.9% |
| APA | $17.6 Bil | 0.3% | 3.9% | 13.9% | 129.3% |
The Businesses Behind The Largest New Highs
Biogen (BIIB) grew revenue 0.3% over the last twelve months and earned an operating margin of 19.3%.
Centene (CNC) grew revenue 13.9% over the last twelve months and earned an operating margin of 0.8%.
Across the list, one-month moves range from +6.4% for American Financial (AFG) to +24.9% for Hasbro (HAS).
The median stock on the list is up 46.7% over the past year.
9 of the 23 names are also S&P 500 members.
A new high tells you what the market already believes. The harder question is which of these runs management itself is underwriting. Our Guidance Momentum screen tracks exactly that: stocks where the company raised its own forward numbers.
Strength Is A Clue. It Is Not A Plan
A stock at its 52-week high has momentum on its side, and momentum is a real force. It is also the most crowded signal in the market, and what separates a run that lasts from one that tops is usually the business underneath.
Checking that business, across thousands of names, is how the Trefis High Quality (HQ) Portfolio is assembled: roughly 30 companies that pass the quality screens, rebalanced on rules. It has a track record of outpacing a benchmark that combines the S&P 500, the S&P MidCap 400, and the Russell 2000. Let the highs point; let the discipline decide.