Jonathan Block

Q: What is Jonathan Block's success rate?

Jonathan Block currently has a success rate of 98.25534161995287.

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

Their stock ratings have generated an average return of 22.9101181995534.

Stifel | Healthcare

Jonathan Block is an analyst from Stifel specializing in the Healthcare sector. Ranked #760 out of 4773 analysts, they have issued 43 stock ratings with a success rate of 98.26% and an average return of 22.91%.

Jonathan Block has a well-established track record, with 43 ratings issued in the Healthcare sector. They have consistently delivered a success rate of 98.26% and an average return of 22.91%, underscoring their expertise and ability to identify winning opportunities for investors.

#760

Out of 4773

Total Ratings

+98.26%

Success Rate

+22.91%

Average Return

Recent Ratings Analysis

INSP

Buy

Sep 11, 2026

Target

$80.00

Current

$73.00

Performance

0.00%

Jonathan Block rated INSP as Buy on Sep 11, 2026, setting a price target of 80. Shares have remained stable near 73, leaving the 80 target still in play.

COO

Buy

Sep 10, 2026

Target

$85.00

Current

$53.91

Performance

-0.48%

On Sep 10, 2026, COO was given a Buy rating by Jonathan Block, with a target price of 85. The stock traded sideways with a -0.48% move, keeping the bullish thesis unresolved.

ZTS

Hold

Aug 20, 2026

Target

$80.00

Current

$73.00

Performance

-2.69%

ZTS received a Hold rating from Jonathan Block on Aug 20, 2026, aiming for 80. Shares remained flat at 73, aligning with the neutral rating.

TRUP

Hold

Aug 20, 2026

Target

$29.00

Current

$24.89

Performance

-18.87%

On Aug 20, 2026, Jonathan Block published a Hold outlook on TRUP, with a target of 29. Weakness in the stock, now at 24.89, supported the conservative rating.

DXCM

Buy

Jul 31, 2026

Target

$95.00

Current

$83.03

Performance

-0.50%

Jonathan Block on Jul 31, 2026 assigned DXCM a Buy rating, with a price target of 95. The recommendation remains pending validation as shares consolidate around 83.03.

PODD

Buy

Jul 10, 2026

Target

$225.00

Current

$131.96

Performance

-18.18%

On Jul 10, 2026, Jonathan Block reaffirmed PODD with a Buy rating, targeting 225. Shares slid 18.18% despite the recommendation, highlighting downside risks.

NYXH

Hold

Jun 17, 2026

Target

$3.00

Current

$1.54

Performance

-3.14%

NYXH was rated Hold by Jonathan Block on Jun 17, 2026, with a price objective of 3. Flat performance suggests the Hold view was reasonable.

SENS

Hold

May 11, 2026

Target

$8.00

Current

$8.71

Performance

50.95%

On May 11, 2026, Jonathan Block initiated coverage on SENS with a Hold rating and target of 8. The Hold stance underestimated the stock’s strength as it gained 50.95%.

BBNX

Buy

Apr 22, 2026

Target

$20.00

Current

$16.57

Performance

35.82%

Jonathan Block issued a Buy recommendation for BBNX on Apr 22, 2026, price target set at 20. Investors following the Buy call captured upside momentum, with shares now at 16.57.

IDXX

Buy

Mar 31, 2026

Target

$675.00

Current

$504.70

Performance

-10.18%

On Mar 31, 2026, IDXX was evaluated by Jonathan Block, who gave a Buy rating and target of 675. Investors saw limited payoff as shares fell short of the 675 target.

TNDM

Hold

Feb 20, 2026

Target

$22.00

Current

$17.11

Performance

-30.36%

Jonathan Block rated TNDM as Hold on Feb 20, 2026, setting a price target of 22. The cautious Hold call aligned with subsequent weakness, as shares slipped 30.36%.

ALGN

Buy

Feb 05, 2026

Target

$210.00

Current

$150.82

Performance

-14.12%

On Feb 05, 2026, ALGN was given a Buy rating by Jonathan Block, with a target price of 210. Despite the Buy call, shares fell from 150.82 to 150.82, challenging the optimistic stance.

RMD

Hold

Jan 30, 2026

Target

$265.00

Current

$218.27

Performance

-15.50%

RMD received a Hold rating from Jonathan Block on Jan 30, 2026, aiming for 265. The Hold stance proved prudent, with the market softening by 15.50%.

ELAN

Buy

Sep 24, 2025

Target

$23.00

Current

$23.16

Performance

23.52%

On Sep 24, 2025, Jonathan Block published a Buy outlook on ELAN, with a target of 23. Shares gained 23.52%, underscoring the accuracy of the bullish outlook toward 23.

XRAY

Hold

Aug 08, 2025

Target

$17.00

Current

$10.46

Performance

-19.29%

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 19.29%.

HSIC

Hold

Jul 25, 2025

Target

$75.00

Current

$88.36

Performance

23.65%

On Jul 25, 2025, Jonathan Block reaffirmed HSIC with a Hold rating, targeting 75. Market strength beyond 88.36 went further than the conservative outlook suggested.

ARQT

Hold

Feb 27, 2025

Target

$15.00

Current

$23.89

Performance

86.60%

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 23.885.

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

$0.70

Performance

-60.89%

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 0.7.

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 +98.26%.

How many ratings has Jonathan Block issued?

Jonathan Block has issued 43 stock ratings so far.

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

Their stock ratings have generated an average return of +22.91%.

What is Jonathan Block's ranking?

Jonathan Block is ranked #760 out of 4773 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 Buy on INSP issued on 2026-09-11.