There is a long list of 170 institutional holders of ARCT 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 ARCT by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-ARCT table below, the initial column indicates the name of each top institutional holder of ARCT, with a link to that fund's top holdings. The next columns indicate the amount of ARCT stock held by each of the institutional holders of ARCT, followed by the ARCT 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
Federated Hermes Inc.	4,711,512	$148,554	12/31/2023
ARCT	4,711,512	$148,554	12/31/2023
BlackRock Inc.	2,398,296	$75,618	12/31/2023
ARCT	2,398,296	$75,618	12/31/2023
ARK Investment Management LLC	1,689,649	$57,059	03/31/2024
ARCT	1,689,649	$57,059	03/31/2024
State Street Corp	1,629,666	$51,383	12/31/2023
ARCT	1,629,666	$51,383	12/31/2023
Vanguard Group Inc.	1,458,380	$45,983	12/31/2023
ARCT	1,458,380	$45,983	12/31/2023
Sumitomo Mitsui Trust Holdings Inc.	1,276,519	$43,108	03/31/2024
ARCT	1,276,519	$43,108	03/31/2024
Nikko Asset Management Americas Inc.	1,320,652	$41,587	12/31/2023
ARCT	1,320,652	$41,587	12/31/2023
Dimensional Fund Advisors LP	1,088,930	$34,336	12/31/2023
ARCT	1,088,930	$34,336	12/31/2023
Woodline Partners LP	1,069,814	$33,731	12/31/2023
ARCT	1,069,814	$33,731	12/31/2023
FMR LLC	864,358	$27,253	12/31/2023
ARCT	864,358	$27,253	12/31/2023
Morgan Stanley	581,997	$18,350	12/31/2023
ARCT	581,997	$18,350	12/31/2023
Geode Capital Management LLC	538,265	$16,973	12/31/2023
ARCT	538,265	$16,973	12/31/2023
Granahan Investment Management Inc. MA	450,366	$14,200	12/31/2023
ARCT	450,366	$14,200	12/31/2023
Goldman Sachs Group Inc.	414,641	$13,074	12/31/2023
ARCT	414,641	$13,074	12/31/2023
Schonfeld Strategic Advisors LLC	401,481	$12,659	12/31/2023
ARCT	401,481	$12,659	12/31/2023
Jupiter Asset Management Ltd.	362,344	$11,425	12/31/2023
ARCT	362,344	$11,425	12/31/2023
JPMorgan Chase & Co.	322,819	$10,178	12/31/2023
ARCT	322,819	$10,178	12/31/2023
Northern Trust Corp	246,999	$7,788	12/31/2023
ARCT	246,999	$7,788	12/31/2023
Great Lakes Advisors LLC	207,127	$6,531	12/31/2023
ARCT	207,127	$6,531	12/31/2023
Nuveen Asset Management LLC	194,682	$6,138	12/31/2023
ARCT	194,682	$6,138	12/31/2023
Charles Schwab Investment Management Inc.	186,310	$5,874	12/31/2023
ARCT	186,310	$5,874	12/31/2023
AQR Capital Management LLC	159,873	$5,041	12/31/2023
ARCT	159,873	$5,041	12/31/2023
Portolan Capital Management LLC	145,854	$4,599	12/31/2023
ARCT	145,854	$4,599	12/31/2023
Millennium Management LLC	133,660	$4,214	12/31/2023
ARCT	133,660	$4,214	12/31/2023
Royce & Associates LP	129,836	$4,094	12/31/2023
ARCT	129,836	$4,094	12/31/2023
Bank of New York Mellon Corp	115,603	$3,904	03/31/2024
ARCT	115,603	$3,904	03/31/2024
Rafferty Asset Management LLC	113,172	$3,568	12/31/2023
ARCT	113,172	$3,568	12/31/2023
Tri Locum Partners LP	110,470	$3,483	12/31/2023
ARCT	110,470	$3,483	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	99,742	$3,145	12/31/2023
ARCT	99,742	$3,145	12/31/2023
Man Group plc	86,503	$2,727	12/31/2023
ARCT	86,503	$2,727	12/31/2023
Barclays PLC	84,509	$2,664	12/31/2023
ARCT	84,509	$2,664	12/31/2023
Jane Street Group LLC		$2,440	12/31/2023
ARCT	71,356	$2,250	12/31/2023
Call	29,800	$940	12/31/2023
Put	23,800	$750	12/31/2023
D. E. Shaw & Co. Inc.	73,795	$2,327	12/31/2023
ARCT	73,795	$2,327	12/31/2023
Wells Fargo & Company MN	72,972	$2,301	12/31/2023
ARCT	72,972	$2,301	12/31/2023
UBS Group AG	72,708	$2,292	12/31/2023
ARCT	72,708	$2,292	12/31/2023
Qube Research & Technologies Ltd	64,960	$2,048	12/31/2023
ARCT	64,960	$2,048	12/31/2023
OMERS ADMINISTRATION Corp	63,000	$1,986	12/31/2023
ARCT	63,000	$1,986	12/31/2023
Wellington Management Group LLP	60,841	$1,918	12/31/2023
ARCT	60,841	$1,918	12/31/2023
Assenagon Asset Management S.A.	55,237	$1,865	03/31/2024
ARCT	55,237	$1,865	03/31/2024
Putnam Investments LLC	58,006	$1,829	12/31/2023
ARCT	58,006	$1,829	12/31/2023
Advantage Alpha Capital Partners LP	50,524	$1,593	12/31/2023
ARCT	50,524	$1,593	12/31/2023
Citigroup Inc.	48,872	$1,541	12/31/2023
ARCT	48,872	$1,541	12/31/2023
Bank Julius Baer & Co. Ltd Zurich	47,232	$1,489	12/31/2023
ARCT	47,232	$1,489	12/31/2023
Swiss National Bank	47,200	$1,488	12/31/2023
ARCT	47,200	$1,488	12/31/2023
Jacobs Levy Equity Management Inc.	45,454	$1,433	12/31/2023
ARCT	45,454	$1,433	12/31/2023
DekaBank Deutsche Girozentrale	43,889	$1,410	03/31/2024
ARCT	43,889	$1,410	03/31/2024
Massachusetts Financial Services Co. MA	41,217	$1,300	12/31/2023
ARCT	41,217	$1,300	12/31/2023
Bank of America Corp DE	40,063	$1,263	12/31/2023
ARCT	40,063	$1,263	12/31/2023
Credit Suisse AG	37,246	$1,174	12/31/2023
ARCT	37,246	$1,174	12/31/2023
Rhumbline Advisers	36,159	$1,140	12/31/2023
ARCT	36,159	$1,140	12/31/2023