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Kiniksa Pharmaceuticals International, plc

KNSA
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001730430

In the last 90 days, Kiniksa Pharmaceuticals International, plc insiders filed 0 open-market purchases and 2 sales; 267 institutions reported holding it in 13F filings for Q2 2026, worth $2.99B in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Kiniksa Pharmaceuticals International, plc changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of KNSA: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders2243228+7
Shares43.0M3.11M45.4M+5.56M (+13.9%)
Value$1.77B$128.5M$2.18B+$538.6M (+32.8%)

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (41)

Institutions that held Kiniksa Pharmaceuticals International, plc at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to KNSA in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Portfolio Management LLC1,766,268$85.0M0.00%
Vanguard Capital Management LLC1,333,093$64.2M0.00%
Balyasny Asset Management LLC499,792$24.1M0.05%
Penn Capital Management Co Inc301,993$14.6M1.13%
New York State Common Retirement Fund209,617$10.1M0.01%
Brevan Howard Capital Management LP53,882$2.59M0.03%
Penserra Capital Management LLC53,102$2.56M0.03%
Fieldview Capital Management, LLC51,072$2.46M0.72%
CWM Advisors, LLC35,271$1.70M0.10%
Vanguard Fiduciary Trust Co32,096$1.55M0.00%
Stifel Financial Corp31,951$1.54M0.00%
Lisanti Capital Growth, LLC31,065$1.50M0.38%
Hudson Bay Capital Management LP27,670$1.33M0.01%
Vanguard Asset Management, Ltd23,423$1.13M0.00%
Hussman Strategic Advisors, Inc.21,000$1.01M0.22%
LPL Financial LLC20,925$1.01M0.00%
Landscape Capital Management, L.L.C.19,492$938.5K0.06%
Freestone Grove Partners LP16,660$802.2K0.01%
Precision Wealth Strategies, LLC14,063$677.1K0.22%
Omers Administration Corp13,100$630.8K0.00%
Cannon Global Investment Management, LLC11,000$529.6K1.28%
Cynosure Management, LLC9,331$449.3K0.06%
Vanguard Investments Australia, Ltd.9,273$446.5K0.00%
CI Private Wealth, LLC8,056$387.9K0.00%
Simplex Trading, LLC8,002$385.3K0.01%
American Century Companies Inc7,302$351.6K0.00%
Toroso Investments, LLC6,184$297.8K0.00%
Merit Financial Group, LLC5,415$260.7K0.00%
Captrust Financial Advisors5,257$253.1K0.00%
HSBC Holdings PLC5,157$248.4K0.00%
Vident Advisory, LLC5,107$245.9K0.00%
Commonwealth Equity Services, LLC5,036$242.5K0.00%
Jefferies Financial Group Inc.5,000$240.8K0.00%
Quantessence Capital LLC4,761$229.2K1.12%
KBC Group NV706$34.0K0.00%
Uniplan Investment Counsel, Inc.493$23.7K0.00%
Bryn Mawr Trust Co204$9.82K0.00%
J.Safra Asset Management Corp162$7.80K0.00%
Northwestern Mutual Wealth Management Co42$2.02K0.00%
Bare Financial Services, Inc16$7700.00%
Advisory Services Network, LLC8$3850.00%

Sold out (34)

Institutions that held Kiniksa Pharmaceuticals International, plc at the end of Q4 2025 and filed for Q1 2026 without it.

Not filed for Q1 2026 yet (3)

Institutions that held Kiniksa Pharmaceuticals International, plc at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding KNSA in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc3,112,937$128.4M
CIBC Private Wealth Group, LLC1,000$41.3K
Global Retirement Partners, LLC103$4.25K