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Brandon Vazquez (William Blair): analyst track record on stock perps
Brandon Vazquez of William Blair on companies with stock perpetual futures: star rating, success rate, price-target accuracy, current calls and the measured perp reaction after each rating.
Stars0.2★
Success34%
Excess return-6.3%
rank#11,938
Ratings185
ratings on stock perps32
Track record
TipRanks data via FMP| 12 months | 3 years | |
|---|---|---|
| Ratings | 194 | 279 |
| Stock | 45 | 45 |
| Buy / hold / sell | 161 / 33 / 0 | 230 / 49 / 0 |
| Upgrades / downgrades / initiations | 2 / 5 / 1 | 4 / 7 / 3 |
| Price targets hit / missed | 5 / 6 (45%) | 5 / 6 (45%) |
| Avg. return after a rating (TipRanks) | -3.7% | -3.7% |
| Best / worst call | +18.3% / -26.4% | +18.3% / -26.4% |
After buy calls: median 21-day move -0.1% · vs S&P 500 +0.4% · targets hit within a year – (n = 29)
Current calls on stock perps
Recent ratings
- Sep 10, 2026 $MDT: Maintained · Buy · article
- Sep 1, 2026 $MDT: Maintained · Buy · article
- Aug 21, 2026 $ABT: Maintained · Buy · article
- Jul 17, 2026 $ISRG: Maintained · Buy · article
- Jul 16, 2026 $ABT: Maintained · Buy · article
- Jun 3, 2026 $MDT: Maintained · Buy · article
- Apr 22, 2026 $ISRG: Maintained · Buy · $451 · article
- Apr 17, 2026 $ABT: Maintained · Buy · article
- Apr 1, 2026 $MDT: Reiterated · Buy · $86.00 · article
- Mar 19, 2026 $ISRG: Maintained · Buy · article
- Feb 17, 2026 $MDT: Maintained · Buy · article
- Feb 5, 2026 $ISRG: Maintained · Buy · article
- Feb 3, 2026 $ABT: Maintained · Buy · article
- Jan 23, 2026 $ISRG: Maintained · Buy · article
- Jan 14, 2026 $ISRG: Maintained · Buy · article
- Jan 6, 2026 $MDT: Upgraded · Buy · article
- Dec 22, 2025 $MDT: Maintained · Hold · article
- Dec 4, 2025 $MDT: Maintained · Hold · article
- Dec 4, 2025 $ISRG: Maintained · Buy · article
- Nov 19, 2025 $MDT: Maintained · Hold · article
Brandon Vazquez0.2★ · 34% success · -6.3% excess return · TipRanks data via FMP · Source headlines via TheFly/StreetInsider (FMP). Reaction = venue-median perp move after our detection — an observation, not investment advice.