Jonathan Block

Q: What is Jonathan Block's success rate?

Jonathan Block currently has a success rate of 98.1794869077769.

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

Their stock ratings have generated an average return of 23.6387568763786.

Stifel | Healthcare

Jonathan Block is an analyst from Stifel specializing in the Healthcare sector. Ranked #745 out of 4771 analysts, they have issued 42 stock ratings with a success rate of 98.18% and an average return of 23.64%.

Jonathan Block has a well-established track record, with 42 ratings issued in the Healthcare sector. They have consistently delivered a success rate of 98.18% and an average return of 23.64%, underscoring their expertise and ability to identify winning opportunities for investors.

#745

Out of 4771

Total Ratings

+98.18%

Success Rate

+23.64%

Average Return

Recent Ratings Analysis

COO

Buy

Sep 10, 2026

Target

$85.00

Current

$54.17

Performance

0.00%

Jonathan Block rated COO as Buy on Sep 10, 2026, setting a price target of 85. Shares have remained stable near 54.17, leaving the 85 target still in play.

ZTS

Hold

Aug 20, 2026

Target

$80.00

Current

$72.89

Performance

-2.84%

On Aug 20, 2026, ZTS was given a Hold rating by Jonathan Block, with a target price of 80. Market indecision, reflected in sideways trading near 72.89, supported the cautious call.

TRUP

Hold

Aug 20, 2026

Target

$29.00

Current

$25.00

Performance

-18.51%

TRUP received a Hold rating from Jonathan Block on Aug 20, 2026, aiming for 29. The Hold stance proved prudent, with the market softening by 18.51%.

DXCM

Buy

Jul 31, 2026

Target

$95.00

Current

$84.51

Performance

1.27%

On Jul 31, 2026, Jonathan Block published a Buy outlook on DXCM, with a target of 95. So far, the stock has neither confirmed nor rejected the Buy case, holding within range of 84.51.

PODD

Buy

Jul 10, 2026

Target

$225.00

Current

$134.68

Performance

-16.49%

Jonathan Block on Jul 10, 2026 assigned PODD a Buy rating, with a price target of 225. The call has struggled to gain traction, with shares losing 16.49%.

NYXH

Hold

Jun 17, 2026

Target

$3.00

Current

$1.50

Performance

-5.66%

On Jun 17, 2026, Jonathan Block reaffirmed NYXH with a Hold rating, targeting 3. The Hold stance reflected market caution that was later justified.

SENS

Hold

May 11, 2026

Target

$8.00

Current

$8.79

Performance

52.34%

SENS was rated Hold by Jonathan Block on May 11, 2026, with a price objective of 8. Despite caution, upside momentum rewarded risk-takers with gains to 8.79.

INSP

Buy

May 05, 2026

Target

$65.00

Current

$68.12

Performance

41.18%

On May 05, 2026, Jonathan Block initiated coverage on INSP with a Buy rating and target of 65. The stock’s climb of 41.18% since the call highlights the foresight in the rating.

BBNX

Buy

Apr 22, 2026

Target

$20.00

Current

$16.59

Performance

35.98%

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 16.59.

IDXX

Buy

Mar 31, 2026

Target

$675.00

Current

$506.53

Performance

-9.85%

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

$18.31

Performance

-25.48%

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 25.48%.

ALGN

Buy

Feb 05, 2026

Target

$210.00

Current

$150.72

Performance

-14.18%

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 150.72 to 150.72, challenging the optimistic stance.

RMD

Hold

Jan 30, 2026

Target

$265.00

Current

$219.58

Performance

-14.99%

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 14.99%.

ELAN

Buy

Sep 24, 2025

Target

$23.00

Current

$22.86

Performance

21.92%

On Sep 24, 2025, Jonathan Block published a Buy outlook on ELAN, with a target of 23. Shares gained 21.92%, underscoring the accuracy of the bullish outlook toward 23.

XRAY

Hold

Aug 08, 2025

Target

$17.00

Current

$10.50

Performance

-18.98%

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 18.98%.

HSIC

Hold

Jul 25, 2025

Target

$75.00

Current

$87.30

Performance

22.17%

On Jul 25, 2025, Jonathan Block reaffirmed HSIC with a Hold rating, targeting 75. Market strength beyond 87.3 went further than the conservative outlook suggested.

ARQT

Hold

Feb 27, 2025

Target

$15.00

Current

$23.38

Performance

82.66%

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 23.38.

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

$0.69

Performance

-61.45%

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 0.69.

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 +98.18%.

How many ratings has Jonathan Block issued?

Jonathan Block has issued 42 stock ratings so far.

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

Their stock ratings have generated an average return of +23.64%.

What is Jonathan Block's ranking?

Jonathan Block is ranked #745 out of 4771 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 COO issued on 2026-09-10.