There is a long list of 145 institutional holders of KNSA within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of KNSA by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-KNSA table below, the initial column indicates the name of each top institutional holder of KNSA, with a link to that fund's top holdings. The next columns indicate the amount of KNSA stock held by each of the institutional holders of KNSA, followed by the KNSA position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	3,180,588	$55,788	12/31/2023
KNSA	3,180,588	$55,788	12/31/2023
Vanguard Group Inc.	2,965,299	$52,011	12/31/2023
KNSA	2,965,299	$52,011	12/31/2023
Rubric Capital Management LP	2,907,501	$50,998	12/31/2023
KNSA	2,907,501	$50,998	12/31/2023
Fairmount Funds Management LLC	2,883,221	$50,572	12/31/2023
KNSA	2,883,221	$50,572	12/31/2023
Baker BROS. Advisors LP	2,809,577	$49,280	12/31/2023
KNSA	2,809,577	$49,280	12/31/2023
Morgan Stanley	1,595,479	$27,985	12/31/2023
KNSA	1,595,479	$27,985	12/31/2023
Pictet Asset Management Holding SA	1,570,816	$27,552	12/31/2023
KNSA	1,570,816	$27,552	12/31/2023
State Street Corp	1,546,096	$27,119	12/31/2023
KNSA	1,546,096	$27,119	12/31/2023
Goldman Sachs Group Inc.	909,212	$15,948	12/31/2023
KNSA	909,212	$15,948	12/31/2023
Granahan Investment Management Inc. MA	722,388	$12,671	12/31/2023
KNSA	722,388	$12,671	12/31/2023
ArrowMark Colorado Holdings LLC	714,879	$12,539	12/31/2023
KNSA	714,879	$12,539	12/31/2023
Geode Capital Management LLC	699,613	$12,272	12/31/2023
KNSA	699,613	$12,272	12/31/2023
Rice Hall James & Associates LLC	618,798	$12,209	03/31/2024
KNSA	618,798	$12,209	03/31/2024
Driehaus Capital Management LLC	661,715	$11,606	12/31/2023
KNSA	661,715	$11,606	12/31/2023
Parkman Healthcare Partners LLC	615,693	$10,799	12/31/2023
KNSA	615,693	$10,799	12/31/2023
Tang Capital Management LLC	600,000	$10,524	12/31/2023
KNSA	600,000	$10,524	12/31/2023
Altitude Crest Partners Inc.	456,041	$7,999	12/31/2023
KNSA	456,041	$7,999	12/31/2023
Millennium Management LLC	428,335	$7,513	12/31/2023
KNSA	428,335	$7,513	12/31/2023
Nuveen Asset Management LLC	411,024	$7,209	12/31/2023
KNSA	411,024	$7,209	12/31/2023
Dimensional Fund Advisors LP	349,753	$6,135	12/31/2023
KNSA	349,753	$6,135	12/31/2023
GMT Capital Corp	341,553	$5,991	12/31/2023
KNSA	341,553	$5,991	12/31/2023
Walleye Capital LLC	327,332	$5,741	12/31/2023
KNSA	327,332	$5,741	12/31/2023
D. E. Shaw & Co. Inc.	304,605	$5,343	12/31/2023
KNSA	304,605	$5,343	12/31/2023
Northern Trust Corp	300,124	$5,264	12/31/2023
KNSA	300,124	$5,264	12/31/2023
Peregrine Capital Management LLC	236,045	$4,657	03/31/2024
KNSA	236,045	$4,657	03/31/2024
Connor Clark & Lunn Investment Management Ltd.	259,283	$4,548	12/31/2023
KNSA	259,283	$4,548	12/31/2023
AQR Capital Management LLC	228,045	$4,000	12/31/2023
KNSA	228,045	$4,000	12/31/2023
Healthcare of Ontario Pension Plan Trust Fund	227,500	$3,990	12/31/2023
KNSA	227,500	$3,990	12/31/2023
Schonfeld Strategic Advisors LLC	226,451	$3,972	12/31/2023
KNSA	226,451	$3,972	12/31/2023
Citadel Advisors LLC		$3,859	12/31/2023
KNSA	214,696	$3,766	12/31/2023
Call	11,900	$209	12/31/2023
Put	6,600	$116	12/31/2023
Hudson Bay Capital Management LP	215,000	$3,771	12/31/2023
KNSA	215,000	$3,771	12/31/2023
Barclays PLC		$3,258	12/31/2023
KNSA	185,756	$3,258	12/31/2023
Put	22,000	$386	12/31/2023
Call	22,000	$386	12/31/2023
StemPoint Capital LP	183,102	$3,212	12/31/2023
KNSA	183,102	$3,212	12/31/2023
Essex Investment Management Co. LLC	171,890	$3,015	12/31/2023
KNSA	171,890	$3,015	12/31/2023
Prudential Financial Inc.	170,010	$2,982	12/31/2023
KNSA	170,010	$2,982	12/31/2023
Ameriprise Financial Inc.	165,285	$2,899	12/31/2023
KNSA	165,285	$2,899	12/31/2023
Los Angeles Capital Management & Equity Research Inc.	139,850	$2,759	03/31/2024
KNSA	139,850	$2,759	03/31/2024
Charles Schwab Investment Management Inc.	156,741	$2,749	12/31/2023
KNSA	156,741	$2,749	12/31/2023
Logos Global Management LP	150,000	$2,631	12/31/2023
KNSA	150,000	$2,631	12/31/2023
Hennion & Walsh Asset Management Inc.	124,878	$2,464	03/31/2024
KNSA	124,878	$2,464	03/31/2024
Lion Point Capital LP	130,691	$2,292	12/31/2023
KNSA	130,691	$2,292	12/31/2023
Bank of New York Mellon Corp	112,580	$2,221	03/31/2024
KNSA	112,580	$2,221	03/31/2024
Linden Thomas Advisory Services LLC	114,550	$2,009	12/31/2023
KNSA	114,550	$2,009	12/31/2023
ADAR1 Capital Management LLC	105,000	$1,842	12/31/2023
KNSA	105,000	$1,842	12/31/2023
Caption Management LLC		$1,773	12/31/2023
Call	296,200	$5,195	12/31/2023
Put	195,100	$3,422	12/31/2023
UBS Oconnor LLC	100,722	$1,767	12/31/2023
KNSA	100,722	$1,767	12/31/2023
Rafferty Asset Management LLC	95,855	$1,681	12/31/2023
KNSA	95,855	$1,681	12/31/2023
Tejara Capital Ltd	95,149	$1,669	12/31/2023
KNSA	95,149	$1,669	12/31/2023
Qube Research & Technologies Ltd	94,499	$1,658	12/31/2023
KNSA	94,499	$1,658	12/31/2023
Deutsche Bank AG	91,359	$1,602	12/31/2023
KNSA	91,359	$1,602	12/31/2023