Kiniksa Pharmaceuticals Ltd (KNSA) Ownership

41.67 ↑0.68 (1.66%)
As of December 31, 1969, 7:00pm EST.

Institutional Ownership

Rubric Capital Management LP is the biggest individual institutional holder of Kiniksa Pharmaceuticals Ltd (KNSA), owning a total of 3.9 million shares. Combined, the top 47 institutional holders of KNSA own 58.46% of the company with a total of 42.8 million shares.

In the latest ownership report on June 30th 2025, the top 47 institutional holders decreased their combined ownership of KNSA by 309 thousand shares. 13 institutions bought 4,093,218 total additional shares and increased their ownership by an average of 58.57%. However 7 institutions sold 4,401,930 total shares and decreased their ownership by an average of 26.64%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of Kiniksa Pharmaceuticals Ltd decreased by a net total of -308,712 in the latest quarter.

Institution Ownership Chart

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Latest Institutional Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Rubric Capital Management LP5.276%15.564%3,909,806526,5672025-06-30
Vanguard Group Inc4.226%-6.773%3,131,602-227,4992025-06-30
Baker Bros Advisors LP3.812%0.225%2,824,6696,3462025-06-30
TANG CAPITAL MANAGEMENT LLC3.142%9.914%2,328,609210,0302025-06-30
Fairmount Funds Management LLC2.392%60.839%1,772,839670,5912025-06-30
BRAIDWELL LP1.488%-43.829%1,102,580-860,3292025-06-30
Morgan Stanley - Brokerage Accounts1.439%-0.940%1,066,279-10,1202025-06-30
Millennium Management LLC1.376%20.404%1,019,968172,8442025-06-30
Pictet Asset Manangement SA1.329%-13.170%984,597-149,3342025-06-30
Qube Research & Technologies1.199%277.821%888,364653,2362025-06-30
Point72 Asset Management, L.P.1.145%-26.175%848,549-300,8622025-06-30
FMR Inc1.089%0.343%806,8982,7552025-06-30
D. E. Shaw & Co LP1.068%98.948%791,305393,5602025-06-30
Arrowstreet Capital Limited Partnership0.992%0.000%735,417735,4172025-06-30
BlackRock Inc0.949%-79.524%702,880-2,729,8192025-06-30
Cubist Systematic Strategies, LLC0.887%213.174%657,475447,5362025-06-30
Dimensional Fund Advisors, Inc.0.875%-16.052%648,336-123,9672025-06-30
Driehaus Capital Management LLC0.874%6.004%647,98036,7022025-06-30
Rice Hall James & Associates, LLC0.861%2.192%638,23313,6882025-06-30
Connor Clark & Lunn Inv Mgmt Ltd0.842%56.023%623,689223,9462025-06-30

Top Institutions

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Rubric Capital Management LP5.276%15.564%3,909,806526,5672025-06-30
Vanguard Group Inc4.226%-6.773%3,131,602-227,4992025-06-30
Baker Bros Advisors LP3.812%0.225%2,824,6696,3462025-06-30
TANG CAPITAL MANAGEMENT LLC3.142%9.914%2,328,609210,0302025-06-30
State Street Corporation2.651%22.149%1,888,544342,4482024-03-31
Fairmount Funds Management LLC2.392%60.839%1,772,839670,5912025-06-30
Hillhouse Capital Advisors, Ltd.2.169%0.000%1,582,63502024-12-31
BRAIDWELL LP1.488%-43.829%1,102,580-860,3292025-06-30
Morgan Stanley - Brokerage Accounts1.439%-0.940%1,066,279-10,1202025-06-30
Acadian Asset Management LLC1.396%4,137,180.000%1,034,3211,034,2962025-03-31
Millennium Management LLC1.376%20.404%1,019,968172,8442025-06-30
Pictet Asset Manangement SA1.329%-13.170%984,597-149,3342025-06-30
Qube Research & Technologies1.199%277.821%888,364653,2362025-06-30
Point72 Asset Management, L.P.1.145%-26.175%848,549-300,8622025-06-30
Opaleye Management Inc1.171%-26.809%814,250-298,2502022-06-30
FMR Inc1.089%0.343%806,8982,7552025-06-30
Marshall Wace Asset Management Ltd1.150%445.377%806,825658,8862023-03-31
Nuveen Asset Management, LLC1.090%7.334%795,61254,3612024-12-31
D. E. Shaw & Co LP1.068%98.948%791,305393,5602025-06-30
Nuveen, LLC1.032%0.000%765,054765,0542025-03-31
Parkman Healthcare Partners LLC1.029%-0.370%762,621-2,8322025-03-31
Arrowstreet Capital Limited Partnership0.992%0.000%735,417735,4172025-06-30
State Street Corp0.957%-2.847%708,809-20,7702025-03-31
BlackRock Inc0.949%-79.524%702,880-2,729,8192025-06-30
Cubist Systematic Strategies, LLC0.887%213.174%657,475447,5362025-06-30
Dimensional Fund Advisors, Inc.0.875%-16.052%648,336-123,9672025-06-30
Driehaus Capital Management LLC0.874%6.004%647,98036,7022025-06-30
Rice Hall James & Associates, LLC0.861%2.192%638,23313,6882025-06-30
Connor Clark & Lunn Inv Mgmt Ltd0.842%56.023%623,689223,9462025-06-30
Hudson Bay Capital Management LP0.860%-11.029%605,000-75,0002023-09-30
ArrowMark Colorado Holdings, LLC (ArrowMark Partne0.723%2.648%535,70713,8182025-03-31
Soleus Capital Management, L.P.0.739%0.000%519,640519,6402023-06-30
Goldman Sachs Group Inc0.704%0.000%508,373508,3732024-09-30
Granahan Investment Management Inc..0.703%-10.790%507,369-61,3662024-09-30
Geode Capital Management, LLC0.693%2.603%505,45112,8212025-03-31
AQR Capital Management LLC0.674%149.066%491,761294,3192025-03-31
Sphera Funds Management Ltd.0.642%46.537%450,283143,0002023-03-31
Altitude Crest Partners Inc0.562%-12.192%400,441-55,6002024-03-31
Ameriprise Financial Inc0.528%-0.064%371,275-2372023-06-30
Allspring Global Investments Holdings, LLC0.522%148.505%366,975219,3022023-06-30
Citadel Advisors Llc0.518%47.921%360,409116,7592022-06-30
Lion Point Capital, LP0.496%-27.813%346,500-133,5002022-12-31
GMT Capital Corp0.482%-28.523%341,553-136,3002023-12-31
Walleye Trading Advisors, LLC0.461%0.000%327,332327,3322023-12-31
Jacobs Levy Equity Management, Inc.0.463%1.982%323,7376,2912022-12-31
Northern Trust Corp0.406%0.788%292,9332,2892024-06-30
Wellington Management Company LLP0.385%-3.467%267,766-9,6182022-09-30

Mutual Fund Ownership

NT Ext Eq Mkt Indx Fd DC Lending Tier 5 is the biggest individual fund holder of Kiniksa Pharmaceuticals Ltd (KNSA), owning a total of 2 million shares. Combined, the top 60 mutual fund holders of KNSA own 30.25% of the company with a total of 21.9 million shares.

In the latest ownership report on July 31st 2025, the top 60 fund holders increased their combined ownership of KNSA by 31 thousand shares. 1 funds bought 15,122 total additional shares and increased their ownership by an average of 5.97%. However 7 funds sold 45,844 total shares and decreased their ownership by an average of 1.88%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding Kiniksa Pharmaceuticals Ltd decreased by a net total of -30,722 in the latest report.

Mutual Funds Chart

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Latest Mutual Fund Ownership Changes

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
Vanguard Total Stock Mkt Idx Inv1.608%-2.170%1,191,920-26,4342025-07-31
Vanguard Small Cap Index1.248%-0.655%924,531-6,0942025-07-31
Vanguard Small Cap Growth Index Inv0.708%-0.037%524,534-1962025-07-31
Heptagon Driehaus US Micro Cap Eq C$ Acc0.362%5.967%268,55015,1222025-07-31
Xtrackers MSCI World Swap ETF 1C0.227%0.000%167,93402025-07-31
Xtrackers S&P 500 Swap ETF 1C0.189%0.000%140,26602025-07-31
Allspring Small Company Gr0.167%-5.126%123,607-6,6792025-07-31
Allspring Small Company Growth A0.167%-2.261%123,595-2,8592025-07-31
Allspring Small Company Growth Admin0.167%-2.261%123,595-2,8592025-07-31
DFA US Small Cap I0.158%-0.616%116,752-7232025-07-31
Driehaus Micro Cap Growth USD0.143%0.000%105,61002025-07-31

Top Mutual Funds

OwnerPercent OwnedPercent ChangeShares OwnedShare ChangeDate Reported
NT Ext Eq Mkt Indx Fd DC Lending Tier 52.744%172,129.000%1,954,7991,953,6642024-06-30
Vanguard US Total Market Shares ETF1.719%0.000%1,248,43302024-09-30
Vanguard Total Stock Mkt Idx Inv1.608%-2.170%1,191,920-26,4342025-07-31
iShares Russell 2000 ETF1.332%0.000%971,72402025-05-31
Pictet Biotech1.337%0.000%965,388965,3882024-03-31
Vanguard Small Cap Index1.248%-0.655%924,531-6,0942025-07-31
Vanguard Instl Ttl Stck Mkt Idx Tr1.271%0.000%893,71302023-03-31
SPDR® S&P Biotech ETF0.928%0.347%661,2562,2882024-08-30
Vanguard Institutional Extnd Mkt Idx Tr0.796%0.140%567,2137952024-08-31
Pictet-Biotech P USD0.730%-13.027%540,975-81,0302025-05-31
MEDICAL BioHealth EUR Acc0.757%-22.934%532,757-158,5452023-07-31
Vanguard Small Cap Growth Index Inv0.708%-0.037%524,534-1962025-07-31
Fidelity Small Cap Growth0.662%0.000%490,29502025-06-30
Pictet-Global Megatrend Sel I USD0.564%1.552%417,8306,3872025-05-31
Fidelity Small Cap Index0.526%-0.228%390,007-8932025-05-31
Vanguard Extended Market Index Investor0.554%-0.028%388,684-1072023-08-31
CREF Stock R30.503%14.011%372,68245,8002025-05-31
Nuveen Quant Small Cap Equity R60.451%1.018%334,3703,3702025-05-31
iShares Russell 2000 Growth ETF0.456%0.000%332,78402025-05-31
Nuveen Quant Small Cap Equity Instl0.469%2.057%332,4806,7002024-02-29
TIAA-CREF Quant Small-Cap Equity Instl0.470%2.057%332,4806,7002024-02-29
Delaware Ivy Small Cap Growth C0.432%0.000%311,88102024-10-31
Vanguard Small Cap Value Index Inv0.431%0.497%310,9671,5392024-11-30
Oberweis Micro-Cap0.412%28.668%305,20068,0002025-06-30
Oberweis Micro-Cap Growth0.412%28.668%305,20068,0002025-06-30
Fidelity® Small Cap Index0.433%2.979%304,7978,8162023-10-31
iShares Russell 2000 Value ETF0.409%-0.132%290,045-3842024-05-30
Heptagon Driehaus US Micro Cap Eq C$ Acc0.362%5.967%268,55015,1222025-07-31
iShares Biotechnology ETF0.368%0.000%265,79302024-11-30
AZ InvestEd Ivy Small Cap Growth E0.343%-20.215%250,569-63,4862025-03-31
Macquarie Small Cap Growth C0.343%-20.215%250,569-63,4862025-03-31
State St Russell Sm/Mid Cp® Indx NL Cl C0.321%0.000%233,97102025-04-30
State St Russell Sm/Mid Cp® Indx SL Cl I0.321%0.000%233,97102025-05-31
Fidelity Small Cap Growth K60.303%0.000%224,66902025-06-30
CREF Stock R10.296%0.000%216,26002025-02-28
Fidelity Extended Market Index0.299%2.113%212,7264,4012024-08-31
Vanguard Russell 2000 ETF0.267%1.544%194,7342,9612025-05-31
Goldman Sachs Small Cp Val Insghts Instl0.263%-18.616%186,335-42,6242024-01-31
APO Medical Opportunities R0.261%-25.517%182,943-62,6752023-07-31
BlackRock Advantage Small Cap Core Instl0.249%-41.562%181,843-129,3272025-05-31
USAA Science & Technology0.258%32.623%179,84144,2382022-12-31
Fidelity® Select Biotechnology0.254%0.000%177,16602023-02-28
Invesco Dorsey Wright Healthcare MomtETF0.251%0.000%176,86002023-12-31
Allspring Global Long/Short Equity R60.250%1,360.760%175,890163,8492023-04-30
Fidelity® Extended Market Index0.239%0.000%168,13502023-11-30
Xtrackers MSCI World Swap ETF 1C0.227%0.000%167,93402025-07-31
ArrowMark Small Cap Gro0.233%-23.722%165,976-51,6162024-06-30
M&G (ACS) Granahan US Sm Cp Gr GBPZ1AAcc0.219%-16.342%155,810-30,4362024-01-31
Xtrackers S&P 500 Swap ETF 1C0.189%0.000%140,26602025-07-31
Peregrine Capital Mgt Sm-Cap Growth0.176%-9.125%130,286-13,0832025-06-30
Meridian Small Cap Growth Legacy0.172%7.589%127,1228,9672025-03-31
Nuveen Quant Small/Mid Cap Eq R60.167%66.188%123,86049,3302025-05-31
Allspring Small Company Gr0.167%-5.126%123,607-6,6792025-07-31
Allspring Small Company Growth A0.167%-2.261%123,595-2,8592025-07-31
Allspring Small Company Growth Admin0.167%-2.261%123,595-2,8592025-07-31
Vanguard Strategic Equity Inv0.162%0.000%120,05102025-06-30
DFA US Small Cap I0.158%-0.616%116,752-7232025-07-31
Scout Small Cap Equity0.150%-4.704%111,269-5,4922024-12-31
Vanguard Explorer Inv0.149%0.000%110,69402025-06-30
Driehaus Micro Cap Growth USD0.143%0.000%105,61002025-07-31

Discussions

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kairaae8/29/25 04:23pm

$KNSA my put options are fine

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4texin7/9/25 08:01am

$KNSA This is how I feel everyday holding this gem.

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145zip1/14/25 04:02am

$KNSA This is just getting warmed up.

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