Kiniksa Pharmaceuticals International, plc (KNSA) Institutional Ownership & Insider Trading

267 institutions reported holding Kiniksa Pharmaceuticals International, plc shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 47 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

KNSAKiniksa Pharmaceuticals International, plcFollow KNSA — free

Drug Manufacturers - Specialty & Generic · Healthcare

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Market cap: 6.0B
P/E TTM: 78.3
Dividend yield: —
52-week: —
Next earnings: 26 Oct, in 2 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

267 institutions held 60.2% of the shares. Across filers that reported both quarters, shares held changed +3.2%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	267	47	+3.2%	81	63	77	23
Mar 26	226	45	+6.6%	73	32	82	32
Dec 25	220	43	+5.2%	69	34	64	15
Sep 25	198	41	+2.3%	56	41	62	28
Jun 25	186	40	+0.1%	60	46	56	31
Mar 25	173	40	+2.6%	56	32	48	17
Dec 24	156	39	-2.5%	57	12	55	29
Sep 24	173	40	+9.4%	46	57	39	13

Kiniksa Pharmaceuticals International, plc — questions

Who owns Kiniksa Pharmaceuticals International, plc stock?: 267 institutions reported Kiniksa Pharmaceuticals International, plc shares in 13F filings for the quarter ended 2026-06-30. The largest: FMR LLC (8.9%), Rubric Capital Management LP (5.1%), BAKER BROS. ADVISORS LP (3.6%).
Are Kiniksa Pharmaceuticals International, plc insiders buying or selling?: 47 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Kiniksa Pharmaceuticals International, plc's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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