ARCT — Institutional owners (13F)

148 filers · $183.0M total · As of Sept. 30, 2026

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Institution Value Shares % of tracked 13F Type
FEDERATED HERMES, INC. $22,200,461 3,303,640 12.13% Shares
ARK Investment Management LLC $19,498,987 2,901,635 10.65% Shares
BlackRock, Inc. $17,566,162 2,614,012 9.60% Shares
Sumitomo Mitsui Trust Group, Inc. $13,192,187 1,963,123 7.21% Shares
Amova Asset Management Americas, Inc. $13,135,069 1,960,458 7.18% Shares
VANGUARD GROUP INC $12,809,499 2,089,641 7.00% Shares
VANGUARD CAPITAL MANAGEMENT LLC $7,492,504 1,114,956 4.09% Shares
TWO SIGMA INVESTMENTS, LP $7,332,441 1,091,137 4.01% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $6,394,584 951,575 3.49% Shares
GEODE CAPITAL MANAGEMENT, LLC $4,662,359 693,660 2.55% Shares
AQR CAPITAL MANAGEMENT LLC $4,536,095 675,014 2.48% Shares
JACOBS LEVY EQUITY MANAGEMENT, INC $4,351,274 647,511 2.38% Shares
STATE STREET CORP $3,827,699 569,598 2.09% Shares
UBS Group AG $3,297,047 490,632 1.80% Shares
TWO SIGMA ADVISERS, LP $3,132,694 511,043 1.71% Shares
D. E. Shaw & Co., Inc. $2,636,646 392,358 1.44% Shares
Empire Life Investments Inc. $2,460,978 366,217 1.34% Shares
MILLENNIUM MANAGEMENT LLC $2,264,613 336,996 1.24% Shares
GOLDMAN SACHS GROUP INC $2,082,279 309,863 1.14% Shares
BNP PARIBAS FINANCIAL MARKETS $1,759,222 261,789 0.96% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $1,556,540 231,628 0.85% Shares
Point72 Asset Management, L.P. $1,556,231 231,582 0.85% Shares
DIMENSIONAL FUND ADVISORS LP $1,487,478 221,322 0.81% Shares
HEARTLAND ADVISORS INC $1,473,696 219,300 0.81% Shares
HAP Trading, LLC $1,421,727 77,142 0.78% Shares
NORTHERN TRUST CORP $1,374,765 204,578 0.75% Shares
JPMORGAN CHASE & CO $1,334,701 195,704 0.73% Shares
VANGUARD FIDUCIARY TRUST CO $1,169,603 174,048 0.64% Shares
Jump Financial, LLC $928,765 138,209 0.51% Shares
IQ EQ FUND MANAGEMENT (IRELAND) Ltd $849,341 126,390 0.46% Shares
Invesco Ltd. $700,144 104,188 0.38% Shares
MORGAN STANLEY $654,568 97,406 0.36% Shares
Quantinno Capital Management LP $577,080 85,875 0.32% Shares
Bank of New York Mellon Corp $539,711 80,314 0.29% Shares
Belmont Capital, LLC $520,400 40,000 0.28% Shares
MARSHALL WACE, LLP $519,247 77,269 0.28% Shares
Russell Investments Group, Ltd. $510,070 75,903 0.28% Shares
AMERICAN CENTURY COMPANIES INC $439,226 65,361 0.24% Shares
AMERIPRISE FINANCIAL INC $438,694 65,282 0.24% Shares
HSBC HOLDINGS PLC $393,713 56,895 0.22% Shares
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $386,266 57,480 0.21% Shares
Nuveen, LLC $353,082 52,542 0.19% Shares
Squarepoint Ops LLC $337,700 50,253 0.18% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $319,583 47,557 0.17% Shares
Y-Intercept (Hong Kong) Ltd $290,916 43,291 0.16% Shares
CITADEL ADVISORS LLC $275,157 40,946 0.15% Shares
WOLVERINE TRADING, LLC $274,376 14,610 0.15% Shares
ALLIANCEBERNSTEIN L.P. $272,362 35,280 0.15% Shares
nVerses Capital, LLC $261,743 38,950 0.14% Shares
BRIDGEWAY CAPITAL MANAGEMENT, LLC $245,280 36,500 0.13% Shares
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO $228,816 34,050 0.13% Shares
WOLVERINE TRADING, LLC $225,360 12,000 0.12% Put option
RHUMBLINE ADVISERS $214,271 31,887 0.12% Shares
WELLS FARGO & COMPANY/MN $200,874 29,892 0.11% Shares
XTX Topco Ltd $196,775 29,282 0.11% Shares
DEUTSCHE BANK AG\ $194,840 28,994 0.11% Shares
ALPS ADVISORS INC $193,838 28,845 0.11% Shares
Engineers Gate Manager LP $193,321 28,768 0.11% Shares
Brevan Howard Capital Management LP $193,281 28,762 0.11% Shares
TritonPoint Partners, LLC $189,411 28,186 0.10% Shares
Allspring Global Investments Holdings, LLC $185,815 27,651 0.10% Shares
Green Alpha Advisors, LLC $182,052 27,091 0.10% Shares
Schonfeld Strategic Advisors LLC $176,835 26,315 0.10% Shares
HAP Trading, LLC $175,170 66,400 0.10% Put option
MGO ONE SEVEN LLC $166,575 24,788 0.09% Shares
MERCER GLOBAL ADVISORS INC /ADV $161,320 24,006 0.09% Shares
Apollon Wealth Management, LLC $157,470 23,433 0.09% Shares
BANK OF AMERICA CORP /DE/ $151,207 22,501 0.08% Shares
AlphaQuest LLC $145,447 23,727 0.08% Shares
RENAISSANCE TECHNOLOGIES LLC $143,808 21,400 0.08% Shares
Mariner, LLC $138,132 20,555 0.08% Shares
FMR LLC $131,322 19,542 0.07% Shares
Walleye Capital LLC $129,851 19,323 0.07% Shares
Freestone Capital Holdings, LLC $125,362 18,655 0.07% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $122,976 18,300 0.07% Put option
AXQ CAPITAL, LP $122,821 18,277 0.07% Shares
COMMONWEALTH EQUITY SERVICES, LLC $119,220 17,741 0.07% Shares
Corient Private Wealth LP $116,620 17,354 0.06% Shares
Abel Hall, LLC $108,474 16,142 0.06% Shares
Susquehanna Portfolio Strategies, LLC $105,706 15,730 0.06% Shares
MetLife Investment Management, LLC $103,260 15,366 0.06% Shares
Dynamic Technology Lab Private Ltd $102,000 15,177 0.06% Shares
JANE STREET GROUP, LLC $100,867 15,010 0.06% Shares
RAYMOND JAMES FINANCIAL INC $96,251 14,323 0.05% Shares
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $92,576 13,282 0.05% Shares
BARCLAYS PLC $92,568 13,775 0.05% Shares
DIVERSIFY WEALTH MANAGEMENT, LLC $90,922 15,785 0.05% Shares
Diversify Advisory Services, LLC $90,922 15,785 0.05% Shares
Formidable Asset Management, LLC $90,324 11,700 0.05% Shares
Quadrature Capital Ltd $87,864 13,075 0.05% Shares
CITIGROUP INC $87,542 13,027 0.05% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $82,932 12,341 0.05% Shares
TWO SIGMA SECURITIES, LLC $79,726 11,864 0.04% Shares
Inscription Capital, LLC $79,121 11,774 0.04% Shares
Arax Advisory Partners $78,698 11,711 0.04% Shares
Walleye Capital LLC $75,936 11,300 0.04% Call option
CWM, LLC $71,981 9,324 0.04% Shares
Jain Global LLC $67,771 10,085 0.04% Shares
Vanguard Global Advisers, LLC $57,167 8,507 0.03% Shares
NEW YORK STATE COMMON RETIREMENT FUND $57,100 8,497 0.03% Shares
Police & Firemen's Retirement System of New Jersey $46,751 6,957 0.03% Shares
Versant Capital Management, Inc $41,508 3,032 0.02% Shares
China Universal Asset Management Co., Ltd. $30,401 4,524 0.02% Shares
NISA INVESTMENT ADVISORS, LLC $22,176 3,300 0.01% Shares
Ameritas Investment Partners, Inc. $15,570 2,317 0.01% Shares
Legal & General Group Plc $15,483 2,304 0.01% Shares
SIGNATUREFD, LLC $14,703 2,188 0.01% Shares
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $13,796 1,787 0.01% Shares
GAMMA Investing LLC $11,760 1,750 0.01% Shares
ROYAL BANK OF CANADA $11,000 1,637 0.01% Shares
Tower Research Capital LLC (TRC) $10,416 1,550 0.01% Shares
Walleye Capital LLC $10,080 1,500 0.01% Put option
OSAIC HOLDINGS, INC. $9,748 1,451 0.01% Shares
Raiffeisen Bank International AG $8,878 1,321 0.00% Call option
Mirae Asset Global Investments Co., Ltd. $8,541 1,271 0.00% Shares
PNC Financial Services Group, Inc. $7,022 1,045 0.00% Shares
SBI Securities Co., Ltd. $6,189 921 0.00% Shares
Essential Partners LLC $5,537 824 0.00% Shares
Bank Julius Baer & Co. Ltd, Zurich $5,375 800 0.00% Shares
Allworth Financial LP $5,303 789 0.00% Shares
Global Retirement Partners, LLC $4,516 672 0.00% Shares
GF FUND MANAGEMENT CO. LTD. $4,106 611 0.00% Shares
SIMPLEX TRADING, LLC $4,079 607 0.00% Shares
IFP Advisors, Inc $3,924 584 0.00% Shares
Farther Finance Advisors, LLC $3,758 555 0.00% Shares
Sterling Capital Management LLC $3,629 540 0.00% Shares
EverSource Wealth Advisors, LLC $2,930 436 0.00% Shares
US BANCORP \DE\ $2,843 423 0.00% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $2,480 369 0.00% Shares
ROTHSCHILD INVESTMENT LLC $2,171 323 0.00% Shares
LOS ANGELES CAPITAL MANAGEMENT LLC $1,727 257 0.00% Shares
True Wealth Design, LLC $1,701 253 0.00% Shares
Federation des caisses Desjardins du Quebec $1,579 235 0.00% Shares
SJS Investment Consulting Inc. $1,156 172 0.00% Shares
Lindbrook Capital, LLC $911 86 0.00% Shares
Fortitude Family Office, LLC $900 134 0.00% Shares
ACADIAN ASSET MANAGEMENT LLC $880 131,451 0.00% Shares
Steward Partners Investment Advisory, LLC $706 105 0.00% Shares
Optiver Holding B.V. $618 92 0.00% Shares
Parkside Financial Bank & Trust $538 80 0.00% Shares
Caitong International Asset Management Co., Ltd $457 68 0.00% Shares
Clearstead Advisors, LLC $370 55 0.00% Shares
GSA CAPITAL PARTNERS LLP $330 49,145 0.00% Shares
NFSG Corp $269 40 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $248 36,887 0.00% Shares
HARBOUR INVESTMENTS, INC. $211 31 0.00% Shares
CANADA LIFE ASSURANCE Co $116 17,353 0.00% Shares
Covestor Ltd $0 42 0.00% Shares