ISPR — Institutional owners (13F)

51 filers · $6.0M 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
Yong Rong (HK) Asset Management Ltd $1,685,000 1,504,147 28.29% Shares
VANGUARD GROUP INC $1,213,528 433,403 20.38% Shares
Potomac Capital Management, Inc. $670,432 598,600 11.26% Shares
BlackRock, Inc. $458,764 409,610 7.70% Shares
GEODE CAPITAL MANAGEMENT, LLC $291,888 260,486 4.90% Shares
MILLENNIUM MANAGEMENT LLC $291,246 260,041 4.89% Shares
VANGUARD CAPITAL MANAGEMENT LLC $221,451 197,724 3.72% Shares
GOLDMAN SACHS GROUP INC $160,776 143,550 2.70% Shares
JANE STREET GROUP, LLC $142,738 127,445 2.40% Shares
AQR CAPITAL MANAGEMENT LLC $118,603 105,896 1.99% Shares
VANGUARD FIDUCIARY TRUST CO $113,159 101,035 1.90% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $104,661 93,447 1.76% Shares
STATE STREET CORP $72,205 64,469 1.21% Shares
Point72 Asset Management, L.P. $65,821 58,769 1.11% Shares
NORTHERN TRUST CORP $50,420 45,018 0.85% Shares
MORGAN STANLEY $45,204 40,361 0.76% Shares
Qube Research & Technologies Ltd $40,843 36,467 0.69% Shares
UBS Group AG $35,659 31,839 0.60% Shares
Centiva Capital, LP $32,455 28,978 0.54% Shares
Independent Advisor Alliance $22,400 20,000 0.38% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $17,696 15,800 0.30% Call option
Squarepoint Ops LLC $16,109 14,383 0.27% Shares
CITADEL ADVISORS LLC $15,344 13,700 0.26% Call option
RENAISSANCE TECHNOLOGIES LLC $14,560 13,000 0.24% Shares
IEQ CAPITAL, LLC $13,220 11,804 0.22% Shares
Vanguard Global Advisers, LLC $8,617 7,694 0.14% Shares
OSAIC HOLDINGS, INC. $5,600 5,000 0.09% Shares
Tower Research Capital LLC (TRC) $5,267 4,703 0.09% Shares
CWM, LLC $4,928 2,678 0.08% Shares
FMR LLC $3,427 3,060 0.06% Shares
ROYAL BANK OF CANADA $3,000 3,142 0.05% Shares
BNP PARIBAS FINANCIAL MARKETS $2,434 2,173 0.04% Shares
GROUP ONE TRADING LLC $1,989 1,776 0.03% Shares
Arax Advisory Partners $1,895 1,692 0.03% Shares
BARCLAYS PLC $1,055 942 0.02% Shares
PNC Financial Services Group, Inc. $604 539 0.01% Shares
JPMORGAN CHASE & CO $465 384 0.01% Shares
Russell Investments Group, Ltd. $455 406 0.01% Shares
Allworth Financial LP $387 345 0.01% Shares
EverSource Wealth Advisors, LLC $365 326 0.01% Shares
Essential Partners LLC $248 221 0.00% Shares
ROTHSCHILD INVESTMENT LLC $86 77 0.00% Shares
Farther Finance Advisors, LLC $60 52 0.00% Shares
True Wealth Design, LLC $58 51 0.00% Shares
Fortitude Family Office, LLC $29 26 0.00% Shares
SJS Investment Consulting Inc. $28 25 0.00% Shares
IFP Advisors, Inc $24 21 0.00% Shares
Virtu Financial LLC $13 11,681 0.00% Shares
Clearstead Advisors, LLC $4 2 0.00% Shares
Sunbelt Securities, Inc. $4 2 0.00% Shares
CITIGROUP INC $4 4 0.00% Shares