TOP TIERMARKET NEWSWIRE
Movers explained · 2026-08-19

Archived explainer. For the current picture see today's PLNT page.

Why Is PLANET FITNESS INC A (PLNT) Stock Up Today?

By the Top Tier Newswire AI Desk · August 19, 2026 at 2:12 AM ET · reviewed against 6 wire stories

PLANET FITNESS INC A (PLNT) is up +5.39% in the latest session. Our newswire has captured 6 stories on PLNT across 5 sources in the last 36 hours, with AI sentiment reading mixed (avg 54/100).

Public view, delayed 4h. Every headline, price and sentiment read below — and this write-up itself — reaches Pro subscribers live. Public readers see it once it clears the delay.

Why PLNT stock is up today

Planet Fitness Inc. Class A (PLNT) rose 5.39% to $53.36 in intraday trading on August 19, 2026. The move followed a price target increase from Morgan Stanley and a recent insider purchase by a board member. These developments, combined with recent earnings and guidance updates, contributed to the stock's upward momentum.

What Happened

Morgan Stanley raised its price target for PLNT to $51 from $47, signaling improved near-term expectations for the stock. This adjustment came amid a broader backdrop of recent performance updates from Planet Fitness. The company reported Q2 adjusted earnings per share of $0.88, exceeding the $0.85 estimate, and revenue of $365.223 million, which beat the $355.663 million forecast. In addition, Planet Fitness raised its full-year adjusted EPS guidance to $3.25 from $3.19, while slightly lowering its sales forecast to $1.417 billion from $1.418 billion.

The stock also received a boost from a recent insider transaction. Stephen Spinelli, a director of Planet Fitness, purchased 10,000 shares for $492,800 on August 10, marking a 28% increase in his direct holdings. The purchase reflects a vote of confidence in the company's long-term prospects.

What The Data Shows

PLNT's 52-week range is $37.03 to $114.26, indicating the current price remains well above its 52-week low but significantly below its peak. The stock is trading with a market cap of $3.8 billion, a P/E ratio of 17.1, and a beta of 1.02. Recent trading activity showed 57 fresh 52-week highs and 4 fresh 52-week lows on August 19. Over the past 90 days, insiders have made one purchase totaling $493,000 and no sales.

What To Watch

Investors should monitor Planet Fitness’s upcoming securities class action developments and any further guidance updates. The stock’s performance may also be influenced by broader market sentiment and continued analyst coverage.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

PLNT by the numbers

Last: $53.36Session: +5.39%Coverage: 6 stories / 5 sourcesAI sentiment: 54/100 (mixed)Mkt cap: $3.8BP/E: 17.152w: $37.03 to $114.26
PLNT · Aug 19 session (5-min) · +1.11% vs prior close · updated 8:57 PM ET
$52.37$53.22$54.07prev close $53.36$53.957:10 AM10:07 AM1:05 PM4:02 PM7:00 PM7:10 AM · $53.617:20 AM · $53.497:55 AM · $53.498:30 AM · $53.009:15 AM · $52.609:30 AM · $53.809:35 AM · $53.439:40 AM · $53.589:45 AM · $53.689:50 AM · $53.679:55 AM · $53.7310:00 AM · $53.7810:05 AM · $53.7710:10 AM · $53.7110:15 AM · $53.7610:20 AM · $53.8010:25 AM · $53.6910:30 AM · $53.7210:35 AM · $53.3510:40 AM · $53.2510:45 AM · $53.1610:50 AM · $53.1010:55 AM · $53.0811:00 AM · $53.0511:05 AM · $52.8711:10 AM · $52.7511:15 AM · $52.7211:20 AM · $52.5911:25 AM · $52.5111:30 AM · $52.6511:35 AM · $52.5111:40 AM · $52.4811:45 AM · $52.6811:50 AM · $52.8411:55 AM · $52.9512:00 PM · $53.1412:05 PM · $53.2412:10 PM · $53.2912:15 PM · $53.3112:20 PM · $53.3212:25 PM · $53.2312:30 PM · $53.2212:35 PM · $53.2412:40 PM · $53.3012:45 PM · $53.2412:50 PM · $53.3712:55 PM · $53.311:00 PM · $53.411:05 PM · $53.541:10 PM · $53.561:15 PM · $53.551:20 PM · $53.551:25 PM · $53.511:30 PM · $53.491:35 PM · $53.481:40 PM · $53.381:45 PM · $53.311:50 PM · $53.311:55 PM · $53.312:00 PM · $53.332:05 PM · $53.352:10 PM · $53.362:15 PM · $53.362:20 PM · $53.382:25 PM · $53.482:30 PM · $53.592:35 PM · $53.562:40 PM · $53.352:45 PM · $53.332:50 PM · $53.472:55 PM · $53.453:00 PM · $53.543:05 PM · $53.543:10 PM · $53.523:15 PM · $53.413:20 PM · $53.383:25 PM · $53.423:30 PM · $53.533:35 PM · $53.583:40 PM · $53.743:45 PM · $53.783:50 PM · $53.763:55 PM · $53.964:00 PM · $53.954:05 PM · $53.954:10 PM · $52.884:55 PM · $52.875:15 PM · $53.955:25 PM · $53.725:50 PM · $53.676:05 PM · $53.566:30 PM · $53.956:40 PM · $53.357:00 PM · $53.95
AI sentiment, last 36h · averaged over 6 stories · 54/100 neutral
AI sentiment 54/100 (neutral)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 5 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishBusiness Insider · sentiment 50 · PLNT DEADLINE NOTICE: ROSEN, SKILLED INVESTOR COUNSEL, Encourages Planet Fitness, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - PLNTBusiness Insider · 50PLNT DEADLINE NOTICE: ROSEN, SKILLED INVESTOR COUNSEL, Encourages Planet Fitness, Inc. In…The Fly · sentiment 61 · Planet Fitness price target raised to $51 from $47 at Morgan StanleyThe Fly · 61Planet Fitness price target raised to $51 from $47 at Morgan StanleyYahoo Finance · sentiment 54 · Could Planet Fitness (PLNT) Rebound Despite Slower Member Growth?Yahoo Finance · 54Could Planet Fitness (PLNT) Rebound Despite Slower Member Growth?PR Newswire · sentiment 50 · PLNT UPCOMING DEADLINE : The Gross Law Firm Alerts Planet Fitness, Inc. Stockholders of Securities Class Action - Contact the FirmPR Newswire · 50PLNT UPCOMING DEADLINE : The Gross Law Firm Alerts Planet Fitness, Inc. Stockholders of S…Business Insider · sentiment 50 · PLNT IMPORTANT DEADLINE: ROSEN, A LONGSTANDING LAW FIRM, Encourages Planet Fitness, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - PLNTBusiness Insider · 50PLNT IMPORTANT DEADLINE: ROSEN, A LONGSTANDING LAW FIRM, Encourages Planet Fitness, Inc. …
25d agoBusiness InsiderNEUTRAL 50General

PLNT IMPORTANT DEADLINE: ROSEN, A LONGSTANDING LAW FIRM, Encourages Planet Fitness, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - PLNT

New York, New York--(Newsfile Corp. - August 18, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of common stock of Planet Fitness, Inc. (NYSE: PLNT) between...

25d agoPR NewswireNEUTRAL 50General

PLNT UPCOMING DEADLINE : The Gross Law Firm Alerts Planet Fitness, Inc. Stockholders of Securities Class Action - Contact the Firm

NEW YORK, Aug. 18, 2026 /PRNewswire/ -- The Gross Law Firm issues the following notice to shareholders of Planet Fitness, Inc. (NYSE: PLNT). Shareholders who purchased shares of PLNT during the class period listed are encouraged to contact the firm regarding possible lead plaintiff...

25d agoYahoo FinanceNEUTRAL 54General

Could Planet Fitness (PLNT) Rebound Despite Slower Member Growth?

Baron Capital, an investment management company, released its Q2 2026 investor letter for the “Baron Small Cap Fund.” Baron Small Cap Fund gained 12.57% (Institutional Shares) in the second quarter, trailing the Russell 2000 Growth Index’s 25.71% return. A copy of the letter can be downloaded here. U.S. equities rebounded sharply after March’s selloff related […]

26d agoThe FlyBULLISH 61Analyst

Planet Fitness price target raised to $51 from $47 at Morgan Stanley

26d agoBusiness InsiderNEUTRAL 50General

PLNT DEADLINE NOTICE: ROSEN, SKILLED INVESTOR COUNSEL, Encourages Planet Fitness, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - PLNT

New York, New York--(Newsfile Corp. - August 17, 2026) - WHY: Rosen Law Firm, a global investor rights law firm, reminds purchasers of common stock of Planet Fitness, Inc. (NYSE: PLNT) between...

27d agoYahoo TopBULLISH 58General

Planet Fitness Director Spinelli Buys 10,000 Shares for $492,800 -- Should Investors Buy Too?

Spinelli's 28% increase in his stake signals confidence despite the stock being down 54% over the past year. His total direct holdings now stand at 45,516 shares, worth $2.23 million.

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More on PLNT: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier PLNT move explainers: 2026-08-25 · 2026-08-19 · 2026-08-18