JANE STREET GROUP, LLC - ISPECIMEN INC ownership

ISPECIMEN INC's ticker is ISPC and the CUSIP is 45032V108. A total of 14 filers reported holding ISPECIMEN INC in Q1 2022. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
JANE STREET GROUP, LLC ownership history of ISPECIMEN INC
ValueSharesWeighting
Q1 2022$56,000
-73.1%
10,351
-64.1%
0.00%
Q2 2021$208,00028,8110.00%
Other shareholders
ISPECIMEN INC shareholders Q1 2022
NameSharesValueWeighting ↓
GRIMES & COMPANY, INC. 56,189$34,8370.00%
Main Street Financial Solutions, LLC 10,500$6,5100.00%
WELLS FARGO & COMPANY/MN 39$240.00%
NORTHERN TRUST CORP 13,805$8,5590.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GEODE CAPITAL MANAGEMENT, LLC 38,498$23,8680.00%
BlackRock Inc. 56,699$35,1530.00%
Schonfeld Strategic Advisors LLC 19,500$12,0900.00%
UBS Group AG 104$640.00%
SUSQUEHANNA INTERNATIONAL GROUP, LLP 22,770$14,1170.00%
View complete list of ISPECIMEN INC shareholders