Jonathan Block

Q: What is Jonathan Block's success rate?

Jonathan Block currently has a success rate of 98.09673631267586.

Q: What is the average return of Jonathan Block's calls?

Their stock ratings have generated an average return of 10.035400250459702.

Stifel | Healthcare

Jonathan Block is an analyst from Stifel specializing in the Healthcare sector. Ranked #1217 out of 4650 analysts, they have issued 41 stock ratings with a success rate of 98.10% and an average return of 10.04%.

Jonathan Block has a well-established track record, with 41 ratings issued in the Healthcare sector. They have consistently delivered a success rate of 98.10% and an average return of 10.04%, underscoring their expertise and ability to identify winning opportunities for investors.

#1217

Out of 4650

Total Ratings

+98.10%

Success Rate

+10.04%

Average Return

Recent Ratings Analysis

NYXH

Hold

May 12, 2026

Target

$5.00

Current

$3.07

Performance

0.00%

Jonathan Block rated NYXH as Hold on May 12, 2026, setting a price target of 5. The Hold stance appears justified, as shares hovered around 3.07 with a 0.00% move.

SENS

Hold

May 11, 2026

Target

$8.00

Current

$5.76

Performance

-0.17%

On May 11, 2026, SENS was given a Hold rating by Jonathan Block, with a target price of 8. Market indecision, reflected in sideways trading near 5.76, supported the cautious call.

INSP

Buy

May 05, 2026

Target

$65.00

Current

$44.06

Performance

-8.68%

INSP received a Buy rating from Jonathan Block on May 05, 2026, aiming for 65. The rating hasn’t played out as hoped, with the stock trading 8.68% below expectations.

BBNX

Buy

Apr 22, 2026

Target

$20.00

Current

$9.82

Performance

-19.51%

On Apr 22, 2026, Jonathan Block published a Buy outlook on BBNX, with a target of 20. Market action contradicted the Buy thesis, as shares slipped to 9.82.

TRUP

Hold

Mar 31, 2026

Target

$31.00

Current

$23.78

Performance

-7.15%

Jonathan Block on Mar 31, 2026 assigned TRUP a Hold rating, with a price target of 31. The call successfully avoided chasing as shares lost 7.15%.

IDXX

Buy

Mar 31, 2026

Target

$675.00

Current

$533.92

Performance

-4.98%

On Mar 31, 2026, Jonathan Block reaffirmed IDXX with a Buy rating, targeting 675. Market indecision has kept the 675 target in a holding pattern.

TNDM

Hold

Feb 20, 2026

Target

$22.00

Current

$14.69

Performance

-40.21%

TNDM was rated Hold by Jonathan Block on Feb 20, 2026, with a price objective of 22. Investors who stayed cautious avoided some of the 40.21% decline.

ALGN

Buy

Feb 05, 2026

Target

$210.00

Current

$165.79

Performance

-5.60%

On Feb 05, 2026, Jonathan Block initiated coverage on ALGN with a Buy rating and target of 210. The Buy call has yet to be validated as shares remain 44.21 away from the target.

PODD

Buy

Feb 04, 2026

Target

$350.00

Current

$158.35

Performance

-36.97%

Jonathan Block issued a Buy recommendation for PODD on Feb 04, 2026, price target set at 350. The market hasn’t rewarded the bullish outlook, exposing uncertainty in the call.

RMD

Hold

Jan 30, 2026

Target

$265.00

Current

$203.79

Performance

-21.11%

On Jan 30, 2026, RMD was evaluated by Jonathan Block, who gave a Hold rating and target of 265. The Hold call avoided chasing into subsequent weakness of 21.11%.

COO

Buy

Dec 05, 2025

Target

$95.00

Current

$59.95

Performance

-26.35%

Jonathan Block rated COO as Buy on Dec 05, 2025, setting a price target of 95. The stock has underperformed, dropping 26.35% despite the bullish target of 95.

ZTS

Hold

Nov 18, 2025

Target

$130.00

Current

$76.94

Performance

-34.87%

On Nov 18, 2025, ZTS was given a Hold rating by Jonathan Block, with a target price of 130. The rating provided protection from downside risk as the stock fell to 76.94.

DXCM

Buy

Oct 21, 2025

Target

$85.00

Current

$61.14

Performance

-12.34%

DXCM received a Buy rating from Jonathan Block on Oct 21, 2025, aiming for 85. The rating hasn’t played out as hoped, with the stock trading 12.34% below expectations.

ELAN

Buy

Sep 24, 2025

Target

$23.00

Current

$21.43

Performance

14.29%

On Sep 24, 2025, Jonathan Block published a Buy outlook on ELAN, with a target of 23. Shares gained 14.29%, underscoring the accuracy of the bullish outlook toward 23.

XRAY

Hold

Aug 08, 2025

Target

$17.00

Current

$11.00

Performance

-15.12%

Jonathan Block on Aug 08, 2025 assigned XRAY a Hold rating, with a price target of 17. The call successfully avoided chasing as shares lost 15.12%.

HSIC

Hold

Jul 25, 2025

Target

$75.00

Current

$69.35

Performance

-2.95%

On Jul 25, 2025, Jonathan Block reaffirmed HSIC with a Hold rating, targeting 75. The neutral call matched muted market action of -2.95%.

ARQT

Hold

Feb 27, 2025

Target

$15.00

Current

$20.69

Performance

61.64%

ARQT was rated Neutral by Jonathan Block on Feb 27, 2025, with a price objective of 15. Despite caution, upside momentum rewarded risk-takers with gains to 20.69.

PDCO

Hold

Dec 05, 2024

Target

$24.00

Current

$31.33

Performance

37.23%

On Dec 05, 2024, Jonathan Block initiated coverage on PDCO with a Hold rating and target of 24. The Hold stance underestimated the stock’s strength as it gained 37.23%.

SKIN

Hold

Jul 26, 2024

Target

$2.00

Current

$0.65

Performance

-63.43%

Jonathan Block issued a Hold recommendation for SKIN on Jul 26, 2024, price target set at 2. Market action validated the conservative Hold outlook with shares at 0.6546.

Frequency Asked Questions

Who is Jonathan Block?

Jonathan Block is an analyst from Stifel specializing in the Healthcare sector.

What is Jonathan Block's success rate?

Jonathan Block currently has a success rate of +98.10%.

How many ratings has Jonathan Block issued?

Jonathan Block has issued 41 stock ratings so far.

What is the average return of Jonathan Block's calls?

Their stock ratings have generated an average return of +10.04%.

What is Jonathan Block's ranking?

Jonathan Block is ranked #1217 out of 4650 analysts.

What types of ratings does Jonathan Block give?

Their ratings include Buy, Hold, and Sell recommendations, depending on the stock’s outlook.

How can I follow Jonathan Block?

You can follow Jonathan Block by clicking the "Follow Analyst" button on this page to receive updates on their stock calls.

What is the most recent rating by Jonathan Block?

Their latest rating was a Hold on NYXH issued on 2026-05-12.