ALTO — Institutional owners (13F)

142 filers · $213.3M total · As of June 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
BlackRock, Inc. $31,321,643 5,495,025 14.69% Shares
VANGUARD CAPITAL MANAGEMENT LLC $18,312,065 3,212,643 8.59% Shares
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $12,996,730 2,280,128 6.09% Shares
GEODE CAPITAL MANAGEMENT, LLC $11,289,288 1,980,080 5.29% Shares
VANGUARD GROUP INC $10,336,067 3,588,912 4.85% Shares
Hillsdale Investment Management Inc. $9,711,108 1,703,703 4.55% Shares
RENAISSANCE TECHNOLOGIES LLC $8,655,570 1,518,521 4.06% Shares
STATE STREET CORP $7,011,986 1,230,173 3.29% Shares
TWO SIGMA INVESTMENTS, LP $6,833,673 1,198,890 3.20% Shares
DIMENSIONAL FUND ADVISORS LP $6,517,591 1,143,740 3.06% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $6,495,150 1,139,500 3.05% Call option
Connor, Clark & Lunn Investment Management Ltd. $4,877,502 855,702 2.29% Shares
JACOBS LEVY EQUITY MANAGEMENT, INC $4,716,642 827,481 2.21% Shares
NORTHERN TRUST CORP $4,469,068 784,047 2.10% Shares
CREATIVE FINANCIAL DESIGNS INC /ADV $3,507,233 615,304 1.64% Shares
PANAGORA ASSET MANAGEMENT INC $3,327,825 583,829 1.56% Shares
CHARLES SCHWAB INVESTMENT MANAGEMENT INC $3,275,642 574,674 1.54% Shares
BRIDGEWAY CAPITAL MANAGEMENT, LLC $2,965,790 520,314 1.39% Shares
VANGUARD FIDUCIARY TRUST CO $2,895,697 508,017 1.36% Shares
VANGUARD PORTFOLIO MANAGEMENT LLC $2,832,946 497,008 1.33% Shares
GOLDMAN SACHS GROUP INC $2,794,368 490,240 1.31% Shares
BNP PARIBAS FINANCIAL MARKETS $2,733,640 479,586 1.28% Shares
ALGERT GLOBAL LLC $2,719,863 477,169 1.28% Shares
Empowered Funds, LLC $2,526,890 443,314 1.18% Shares
JANE STREET GROUP, LLC $2,451,000 430,000 1.15% Call option
CITADEL ADVISORS LLC $2,323,320 407,600 1.09% Call option
LPL Financial LLC $1,955,442 343,060 0.92% Shares
Bank of New York Mellon Corp $1,794,715 314,862 0.84% Shares
MORGAN STANLEY $1,709,685 299,944 0.80% Shares
WELLS FARGO & COMPANY/MN $1,686,721 295,916 0.79% Shares
CORSAIR CAPITAL MANAGEMENT, L.P. $1,521,136 266,866 0.71% Shares
TWO SIGMA ADVISERS, LP $1,506,796 523,193 0.71% Shares
Peapod Lane Capital LLC $1,501,283 263,383 0.70% Shares
D. E. Shaw & Co., Inc. $1,169,327 205,145 0.55% Shares
Engineers Gate Manager LP $1,015,039 178,077 0.48% Shares
Qube Research & Technologies Ltd $995,163 174,590 0.47% Shares
MILLENNIUM MANAGEMENT LLC $988,152 173,360 0.46% Shares
CANADA PENSION PLAN INVESTMENT BOARD $847,020 148,600 0.40% Shares
GWN SECURITIES INC. $808,887 141,910 0.38% Shares
Point72 Asset Management, L.P. $725,730 127,321 0.34% Shares
Invesco Ltd. $699,555 122,729 0.33% Shares
Nuveen, LLC $693,513 121,669 0.33% Shares
XTX Topco Ltd $638,674 112,048 0.30% Shares
AMERICAN CENTURY COMPANIES INC $629,998 110,526 0.30% Shares
Man Group plc $593,456 104,115 0.28% Shares
UBS Group AG $585,208 102,668 0.27% Shares
SEI INVESTMENTS CO $575,422 100,951 0.27% Shares
HAMILTON CAPITAL PARTNERS, LLC $569,430 99,900 0.27% Shares
HighTower Advisors, LLC $557,044 97,727 0.26% Shares
RHUMBLINE ADVISERS $546,898 95,948 0.26% Shares
JPMORGAN CHASE & CO $501,504 93,739 0.24% Shares
State of Wyoming $426,793 74,876 0.20% Shares
Russell Investments Group, Ltd. $417,251 74,065 0.20% Shares
DEUTSCHE BANK AG\ $410,833 72,076 0.19% Shares
AdvisorShares Investments LLC $387,600 68,000 0.18% Shares
STATE OF WISCONSIN INVESTMENT BOARD $381,900 67,000 0.18% Shares
CITADEL ADVISORS LLC $338,580 59,400 0.16% Put option
BARCLAYS PLC $320,118 56,161 0.15% Shares
Caprock Group, LLC $297,255 52,150 0.14% Shares
MetLife Investment Management, LLC $251,250 44,079 0.12% Shares
BANK OF AMERICA CORP /DE/ $243,487 42,717 0.11% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $241,110 42,300 0.11% Put option
ALLIANCEBERNSTEIN L.P. $236,095 48,780 0.11% Shares
KESTRA PRIVATE WEALTH SERVICES, LLC $232,343 40,762 0.11% Shares
FRANKLIN RESOURCES INC $231,591 40,630 0.11% Shares
SBI Securities Co., Ltd. $212,422 37,267 0.10% Shares
AMERIPRISE FINANCIAL INC $210,775 36,978 0.10% Shares
DIVERSIFIED TRUST CO $210,432 36,918 0.10% Shares
Revisor Wealth Management LLC $208,370 36,556 0.10% Shares
Marquette Asset Management, LLC $202,710 35,563 0.10% Shares
CITIGROUP INC $194,233 34,076 0.09% Shares
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $192,934 33,848 0.09% Shares
SIMPLEX TRADING, LLC $185,101 32,474 0.09% Shares
GROUP ONE TRADING LLC $168,617 29,582 0.08% Shares
Squarepoint Ops LLC $168,315 29,529 0.08% Shares
Headlands Technologies LLC $155,502 27,281 0.07% Shares
PRUDENTIAL FINANCIAL INC $155,456 27,273 0.07% Shares
Vanguard Global Advisers, LLC $151,546 26,587 0.07% Shares
RAYMOND JAMES FINANCIAL INC $148,286 26,015 0.07% Shares
SAGESPRING WEALTH PARTNERS, LLC $142,500 25,000 0.07% Shares
Susquehanna Portfolio Strategies, LLC $142,067 24,924 0.07% Shares
WINTON GROUP Ltd $137,228 24,075 0.06% Shares
Retirement Planning Group, LLC $136,800 24,000 0.06% Shares
DAVENPORT & Co LLC $136,613 23,967 0.06% Shares
HSBC HOLDINGS PLC $134,400 24,000 0.06% Shares
STRS OHIO $131,100 23,000 0.06% Shares
Police & Firemen's Retirement System of New Jersey $124,100 21,772 0.06% Shares
JANE STREET GROUP, LLC $123,690 21,700 0.06% Put option
MANUFACTURERS LIFE INSURANCE COMPANY, THE $121,473 21,311 0.06% Shares
Kestra Advisory Services, LLC $120,823 21,197 0.06% Shares
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO $111,521 19,565 0.05% Shares
GK Wealth Management LLC $109,349 19,184 0.05% Shares
Dynamic Advisor Solutions LLC $108,357 19,010 0.05% Shares
O'SHAUGHNESSY ASSET MANAGEMENT, LLC $103,934 18,234 0.05% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $96,775 16,978 0.05% Shares
Centiva Capital, LP $95,771 16,802 0.04% Shares
NEW YORK STATE COMMON RETIREMENT FUND $94,050 16,500 0.04% Shares
Caitong International Asset Management Co., Ltd $88,920 15,600 0.04% Shares
INTECH INVESTMENT MANAGEMENT LLC $85,323 14,969 0.04% Shares
TRUIST FINANCIAL CORP $83,790 14,700 0.04% Shares
Prospera Financial Services Inc $82,479 14,470 0.04% Shares
LAZARD ASSET MANAGEMENT LLC $81,476 14,294 0.04% Shares
Cubist Systematic Strategies, LLC $80,646 74,672 0.04% Shares
VOYA INVESTMENT MANAGEMENT LLC $80,136 14,059 0.04% Shares
Annis Gardner Whiting Capital Advisors, LLC $71,313 12,500 0.03% Shares
Quantbot Technologies LP $70,503 12,369 0.03% Shares
WOLVERINE TRADING, LLC $63,983 58,700 0.03% Call option
IMC-Chicago, LLC $63,219 11,091 0.03% Shares
GREAT VALLEY ADVISOR GROUP, INC. $58,368 10,240 0.03% Shares
ZACKS INVESTMENT MANAGEMENT $58,201 10,210 0.03% Shares
Mirae Asset Global Investments Co., Ltd. $54,201 9,509 0.03% Shares
Legal & General Group Plc $40,801 7,158 0.02% Shares
Federation des caisses Desjardins du Quebec $39,911 7,002 0.02% Shares
Tower Research Capital LLC (TRC) $38,669 6,784 0.02% Shares
Ameritas Investment Partners, Inc. $38,184 6,699 0.02% Shares
Financial Management Professionals, Inc. $33,607 5,896 0.02% Shares
Point72 Asia (Singapore) Pte. Ltd. $27,957 25,886 0.01% Shares
JONES FINANCIAL COMPANIES LLLP $27,580 5,314 0.01% Shares
ROYAL BANK OF CANADA $26,000 4,471 0.01% Shares
FMR LLC $16,080 2,821 0.01% Shares
Larson Financial Group LLC $15,829 2,777 0.01% Shares
OSAIC HOLDINGS, INC. $12,797 2,245 0.01% Shares
ACADIAN ASSET MANAGEMENT LLC $11,662 2,048,492 0.01% Shares
Sterling Capital Management LLC $8,482 1,488 0.00% Shares
IFP Advisors, Inc $7,507 1,317 0.00% Shares
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM $5,797 1,017 0.00% Shares
Parallel Advisors, LLC $2,770 486 0.00% Shares
SIGNATUREFD, LLC $2,012 353 0.00% Shares
Clearstead Advisors, LLC $1,425 250 0.00% Shares
GSA CAPITAL PARTNERS LLP $1,323 232,071 0.00% Shares
Mosley Wealth Management $1,283 225 0.00% Shares
Point72 (DIFC) Ltd $1,083 1,003 0.00% Shares
Janney Montgomery Scott LLC $851 149,266 0.00% Shares
PRICE T ROWE ASSOCIATES INC /MD/ $346 60,607 0.00% Shares
Arax Advisory Partners $143 25 0.00% Shares
CoreCap Advisors, LLC $23 4 0.00% Shares
Financial Life Planners $23 4 0.00% Shares
Union Bancaire Privee, UBP SA $22 5 0.00% Shares
Allworth Financial LP $18 3 0.00% Shares
FIDUCIARY FINANCIAL ADVISORS $11 2 0.00% Shares
HOLLENCREST CAPITAL MANAGEMENT $6 1 0.00% Shares
Tradewinds Capital Management, LLC $0 2,173 0.00% Shares