TOP TIERMARKET NEWSWIRE
Movers explained · 2026-07-29

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

Why Is KINIKSA PHARMACEUTIC A (KNSA) Stock Up Today?

By the Top Tier Newswire AI Desk · July 29, 2026 at 12:00 AM ET · reviewed against 10 wire stories

KINIKSA PHARMACEUTIC A (KNSA) is up +25.03% in the latest session. Our newswire has captured 10 stories on KNSA across 6 sources in the last 36 hours, with AI sentiment reading bullish (avg 64/100).

KNSA stock rose 25.03% to $79.44 on Monday, driven by strong second-quarter results and an upward revision to 2026 revenue guidance. Kiniksa Pharmaceuticals reported a 55% year-over-year increase in ARCALYST sales, with the drug generating $243.6 million in revenue for the quarter. The company also raised its 2026 revenue guidance to $980 million to $995 million and advanced its KPL-387 candidate into a pivotal Phase III trial for recurrent pericarditis.

What Happened

Kiniksa’s Q2 2026 earnings call highlighted significant progress across its business and pipeline. ARCALYST, the company’s flagship drug, delivered a major revenue leap, contributing to the raised full-year guidance. The company also announced the initiation of the Phase III PASTORALE trial for KPL-387, a development that signals continued momentum in its therapeutic pipeline. The SEC 8-K filing on July 28 confirmed the results of operations and financial condition, further validating the company’s performance. GAAP earnings per share of $0.30 exceeded estimates by $0.01, and total revenue beat expectations by $17.14 million.

What The Data Shows

The stock has gained 23.7% over the past eight sessions, moving from $63.95 to $79.14. With a market cap of $4.8 billion, the company trades at a P/E ratio of 70.0, reflecting a premium valuation. Kiniksa’s trailing twelve-month revenue growth is 56.7%, and its net margin stands at 9.7%. The recent earnings beat and guidance raise have likely contributed to increased investor confidence, with the stock trading well above its 52-week range of $26.27 to $67.53.

What To Watch

The company is not scheduled to report earnings in the near term, but coverage breadth will be a key metric to monitor. With 10 stories from six sources in the last 36 hours, investor sentiment and media attention are intensifying around Kiniksa’s performance and pipeline developments.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Not financial advice.

KNSA by the numbers

Last: $79.44Session: +25.03%7 sessions: +29.31%Coverage: 10 stories / 6 sourcesAI sentiment: 64/100 (bullish)Mkt cap: $4.8BP/E: 70.052w: $26.27 to $67.53
KNSA · Jul 29 session (5-min) · +3.22% vs prior close · updated 6:13 PM ET
$77.44$79.85$82.26prev close $79.44$82.007:00 AM9:30 AM12:00 PM2:30 PM5:00 PM7:00 AM · $80.997:05 AM · $79.437:10 AM · $79.277:35 AM · $79.307:50 AM · $80.989:00 AM · $80.759:25 AM · $80.749:30 AM · $79.759:35 AM · $79.739:40 AM · $77.709:45 AM · $78.539:50 AM · $78.729:55 AM · $77.8410:00 AM · $79.2410:05 AM · $78.9810:10 AM · $79.6810:15 AM · $81.1910:20 AM · $80.1210:25 AM · $79.2010:30 AM · $79.8610:35 AM · $79.7510:40 AM · $79.6910:45 AM · $79.6910:50 AM · $79.5810:55 AM · $79.5811:00 AM · $79.4411:05 AM · $79.7211:10 AM · $79.9211:15 AM · $79.7311:20 AM · $79.6411:25 AM · $79.7811:30 AM · $79.8111:35 AM · $79.8711:40 AM · $79.9811:45 AM · $79.8111:50 AM · $79.8511:55 AM · $79.8612:00 PM · $79.7012:05 PM · $79.8412:10 PM · $79.8012:15 PM · $79.4812:20 PM · $79.6312:25 PM · $79.5912:30 PM · $79.5712:35 PM · $79.6312:40 PM · $79.6312:45 PM · $79.4612:50 PM · $79.5312:55 PM · $79.571:00 PM · $79.681:05 PM · $79.711:10 PM · $80.001:15 PM · $80.311:20 PM · $80.521:25 PM · $80.311:30 PM · $80.501:35 PM · $80.401:40 PM · $80.591:45 PM · $80.521:50 PM · $80.401:55 PM · $80.522:00 PM · $80.852:05 PM · $80.922:10 PM · $81.142:15 PM · $81.252:20 PM · $81.092:25 PM · $80.942:30 PM · $81.032:35 PM · $81.032:40 PM · $81.222:45 PM · $81.082:50 PM · $80.972:55 PM · $81.093:00 PM · $81.313:05 PM · $81.383:10 PM · $81.633:15 PM · $81.423:20 PM · $81.333:25 PM · $81.433:30 PM · $81.133:35 PM · $81.113:40 PM · $81.133:45 PM · $80.993:50 PM · $80.983:55 PM · $80.924:00 PM · $80.924:25 PM · $80.004:35 PM · $80.925:00 PM · $82.00
AI sentiment, last 36h · averaged over 10 stories · 64/100 bullish
AI sentiment 64/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 8 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agopublishSEC 8-K · sentiment 50 · Kiniksa Pharmaceuticals International, plc (KNSA) files 8-KSEC 8-K · 50Kiniksa Pharmaceuticals International, plc (KNSA) files 8-KSeeking Alpha · sentiment 68 · Kiniksa Pharmaceuticals International, plc GAAP EPS of $0.30 beats by $0.01, revenue of $243.6M beats by $17.14MSeeking Alpha · 68Kiniksa Pharmaceuticals International, plc GAAP EPS of $0.30 beats by $0.01, revenue of $…MarketChameleon · sentiment 73 · Kiniksa Lifts ARCALYST Guidance Following 55% Growth and Positive Clinical Progress on KPL-387 July 28, 2026MarketChameleon · 73Kiniksa Lifts ARCALYST Guidance Following 55% Growth and Positive Clinical Progress on KP…Yahoo Finance · sentiment 68 · Kiniksa Pharmaceuticals International Q2 Earnings Call HighlightsYahoo Finance · 68Kiniksa Pharmaceuticals International Q2 Earnings Call HighlightsInvestorsHub · sentiment 71 · Kiniksa Reports Strong Q2 Results, Raises 2026 ARCALYST Sales GuidanceInvestorsHub · 71Kiniksa Reports Strong Q2 Results, Raises 2026 ARCALYST Sales GuidanceSeeking Alpha · sentiment 50 · Kiniksa Pharmaceuticals International, plc (KNSA) Q2 2026 Earnings Call TranscriptSeeking Alpha · 50Kiniksa Pharmaceuticals International, plc (KNSA) Q2 2026 Earnings Call TranscriptSeeking Alpha · sentiment 73 · Kiniksa projects $980M-$995M 2026 revenue guidance while advancing KPL-387 into Phase III PASTORALESeeking Alpha · 73Kiniksa projects $980M-$995M 2026 revenue guidance while advancing KPL-387 into Phase III…MarketChameleon · sentiment 73 · Impressive ARCALYST Growth and Strong Financials Signal Kiniksa's Momentum in 2026 July 28, 2026MarketChameleon · 73Impressive ARCALYST Growth and Strong Financials Signal Kiniksa's Momentum in 2026 …
1d agoMarketChameleonBULLISH 73Product/PR

Impressive ARCALYST Growth and Strong Financials Signal Kiniksa's Momentum in 2026 July 28, 2026

Kiniksa Pharmaceuticals delivers a robust Q2 2026, with a major leap in ARCALYST revenue, boosted financial guidance, and clinical progress across its pipeline. We dissect the key figures and strategic portfolio moves driving optimism for KNSA.

1d agoSeeking AlphaBULLISH 73Product/PR

Kiniksa projects $980M-$995M 2026 revenue guidance while advancing KPL-387 into Phase III PASTORALE

Kiniksa (KNSA) Q2 2026 earnings call: ARCALYST sales up 55%, guidance raised to $980M–$995M, and KPL-387 Phase III launch.

1d agoSeeking AlphaNEUTRAL 50Earnings

Kiniksa Pharmaceuticals International, plc (KNSA) Q2 2026 Earnings Call Transcript

Kiniksa Pharmaceuticals International, plc (KNSA) Q2 2026 Earnings Call July 28, 2026 8:30 AM EDTCompany ParticipantsJonathan Kirshenbaum - Investor...

1d agoInvestorsHubBULLISH 71Earnings

Kiniksa Reports Strong Q2 Results, Raises 2026 ARCALYST Sales Guidance

Kiniksa reported strong Q2 2026 earnings, raised ARCALYST sales guidance to $980-$995 million, and advanced KPL-387 into a pivotal Phase 3 trial for recurrent pericarditis.

1d agoYahoo FinanceBULLISH 68Earnings

Kiniksa Pharmaceuticals International Q2 Earnings Call Highlights

Kiniksa Pharmaceuticals International (NASDAQ:KNSA) reported second-quarter ARCALYST revenue of $243.6 million, up 55% from a year earlier and more than $29 million from the first quarter, as the company cited continued expansion in both new and repeat prescribers for the recurrent pericarditis trea

1d agoMarketChameleonBULLISH 73Earnings

Kiniksa Lifts ARCALYST Guidance Following 55% Growth and Positive Clinical Progress on KPL-387 July 28, 2026

Kiniksa Pharmaceuticals raised its 2026 ARCALYST revenue guidance on the back of robust Q2 results and accelerating clinical progress. The company’s lead asset, ARCALYST, delivered 55% year-over-year net product revenue growth while next-in-line KPL-387 advanced into Phase 3—positioning Kiniksa as a key player in rare cardiovascular disease treatments.

1d agoSeeking AlphaBULLISH 68Earnings

Kiniksa Pharmaceuticals International, plc GAAP EPS of $0.30 beats by $0.01, revenue of $243.6M beats by $17.14M

Kiniksa (KNSA) Q2 earnings: GAAP EPS beat, revenue up 55% on ARCALYST.

1d agoSEC 8-KNEUTRAL 50General

Kiniksa Pharmaceuticals International, plc (KNSA) files 8-K

Filed: 2026-07-28 AccNo: 0001730430-26-000031 Size: 368 KB Item 2.02: Results of Operations and Financial Condition Item 9.01: Financial Statements and Exhibits

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

Earlier KNSA move explainers: 2026-07-29 · 2026-07-28