13F

Stock

ASP Isotopes Inc.

ASPI · held by 173 managers

Reported value

$305.1M

Holders

173

+3 new · −0 exited

Holders’ est. mark

−$4.17M

Price effect on 11 books still in the name

Largest holder

$36.3M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.6.79M$36.3MHeld
Vanguard6.41M$34.3MHeld
Alyeska Investment Group, L.P.4.9M$26.2MHeld
Rovida Investment Management Ltd4.1M$21.9MHeld
UBS Group AG2.41M$12.9MHeld
GEODE CAPITAL MANAGEMENT, LLC2.38M$12.8MHeld
AWM Investment Company, Inc.2.12M$11.4MHeld
State Street1.84M$9.87MHeld
Citadel1.73M$9.23MHeld
GOLDMAN SACHS GROUP INC1.72M$9.18MHeld
MORGAN STANLEY1.71M$9.15M−$1.88MAdded$4.92M
JANE STREET GROUP, LLC1.59M$8.49MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP1.52M$8.11MHeld
EXCHANGE TRADED CONCEPTS, LLC1.4M$7.49MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC885.7K$4.74MHeld
Telemark Asset Management, LLC825K$4.41MHeld
MARSHALL WACE, LLP818.1K$4.38MHeld
NORTHERN TRUST CORP745.9K$3.99MHeld
Diametric Capital, LP737.3K$3.94MHeld
WIM INVESTMENT MANAGEMENT Ltd601.4K$3.22MHeld
Shay Capital LLC579K$3.1MHeld
BARCLAYS PLC506.8K$2.71M−$992.2KAdded$476K
HITE Hedge Asset Management LLC449.9K$2.41MHeld
GROUP ONE TRADING LLC444.3K$2.38MHeld
Schonfeld Strategic Advisors LLC414.9K$2.22MHeld
Pacer Advisors, Inc.404.4K$2.16MHeld
Rathbones Group PLC399.6K$2.14MHeld
Quantbot Technologies LP396.6K$2.12MHeld
Saba Capital Management, L.P.356.4K$1.91MHeld
TWO SIGMA INVESTMENTS, LP356.2K$1.91MHeld
Caprock Group, LLC322.3K$1.72MHeld
IMC-Chicago, LLC294.5K$1.58MHeld
BURKEHILL GLOBAL MANAGEMENT, LP250K$1.34MHeld
Bank of New York Mellon Corp244K$1.31MHeld
BANK OF AMERICA CORP /DE/230.9K$1.24M−$547.8KAdded$997
PRELUDE CAPITAL MANAGEMENT, LLC228.5K$1.22MHeld
Swiss National Bank210.1K$1.12MHeld
Arosa Capital Management LP200K$1.07MHeld
JPMORGAN CHASE & CO194.5K$1.04MHeld
VARCOV Co.188.6K$1.01MHeld
Verition Fund Management LLC187.7K$1MHeld
Nuveen, LLC182.7K$977.6KHeld
PFG Investments, LLC181.8K$972.6KHeld
SBI Securities Co., Ltd.152.1K$813.8KHeld
Massar Capital Management, LP147.4K$788.5KHeld
Russell Investments Group, Ltd.145.5K$778.2KHeld
POLEN CAPITAL MANAGEMENT LLC139.5K$746.4KHeld
Empowered Funds, LLC134.6K$720.1KHeld
TUDOR INVESTMENT CORP ET AL132.9K$711.2K−$567.6KCut−$3.72M
WELLS FARGO & COMPANY/MN131.7K$704.4KHeld
Penn Capital Management Company, LLC126.9K$679KHeld
Farther Finance Advisors, LLC124.6K$666.4KHeld
BANK OF MONTREAL /CAN/117.9K$630.7KHeld
STIFEL FINANCIAL CORP109.9K$587.7KHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC102.4K$547.7KHeld
RHUMBLINE ADVISERS101.5K$543.2KHeld
SIMPLEX TRADING, LLC93.7K$501.4KHeld
AlphaQuest LLC88.2K$471.7KHeld
Jefferies Financial Group Inc.87.3K$466.8KHeld
Marex Group plc85.2K$455.8K$54.5KAdded$68.7K
SOUTHPORT MANAGEMENT, L.L.C.85K$454.8KHeld
Balyasny Asset Management L.P.80.5K$430.8KHeld
MOORE CAPITAL MANAGEMENT, LP80K$428KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM77.2K$413.1KHeld
SEI INVESTMENTS CO77K$412KHeld
Legal & General Group Plc76.5K$409.3KHeld
CITIGROUP INC75.4K$403.1KHeld
Brevan Howard Capital Management LP72K$385.6KHeld
Cetera Investment Advisers71.3K$381.5KHeld
DEUTSCHE BANK AG\68.6K$367.1KHeld
Graham Capital Management, L.P.67K$358.4KHeld
NATIONAL BANK OF CANADA /FI/62.4K$333.2KHeld
Invesco Ltd.59.6K$318.6KHeld
Quantinno Capital Management LP56.8K$303.8KHeld
D. E. Shaw & Co., Inc.54K$289.1KHeld
MetLife Investment Management, LLC52.6K$281.6KHeld
OSAIC HOLDINGS, INC.50.7K$271.2KHeld
Resolute Capital Asset Partners LLC50K$267.5KHeld
MH & ASSOCIATES SECURITIES MANAGEMENT CORP /ADV48.7K$260.4KHeld
LPL Financial LLC47.6K$254.7KHeld
COMMONWEALTH EQUITY SERVICES, LLC44.9K$240.2KHeld
Atom Investors LP44.7K$238.9KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.42.9K$229.7KHeld
JANUS HENDERSON GROUP PLC39K$208.5KHeld
AXQ CAPITAL, LP38.1K$203.8KHeld
Caitong International Asset Management Co., Ltd35K$187.2KHeld
Allegheny Financial Group34.5K$184.4KHeld
Advisory Services Network, LLC34.4K$183.9KHeld
ROYAL BANK OF CANADA32K$172KHeld
DARK FOREST CAPITAL MANAGEMENT LP30.7K$164.4KHeld
RAYMOND JAMES FINANCIAL INC29.6K$158.2KHeld
INTECH INVESTMENT MANAGEMENT LLC29.5K$157.9KHeld
Icahn Capital29.4K$157.1KHeld
Leonteq Securities AG28.5K$152.6K−$34.2KAdded$75.6K
MANUFACTURERS LIFE INSURANCE COMPANY, THE28K$150KHeld
Squarepoint Ops LLC27.5K$147KHeld
Centiva Capital, LP27.2K$145.4KHeld
Pekin Hardy Strauss, Inc.26.7K$142.8KHeld
Fortitude Advisory Group L.L.C.26K$139.1KHeld
MERCER GLOBAL ADVISORS INC /ADV25.6K$136.7KHeld
Cresset Asset Management, LLC25K$133.9K−$58.1KAdded$3.04K
Zurcher Kantonalbank (Zurich Cantonalbank)23.6K$126.3KHeld
Patriot Financial Group Insurance Agency, LLC21.8K$116.8KHeld
ARIZONA STATE RETIREMENT SYSTEM21.7K$116KHeld
NEUBERGER BERMAN GROUP LLC21.4K$114.6KHeld
Police & Firemen's Retirement System of New Jersey20.8K$111.1KHeld
Sanctuary Advisors, LLC20.1K$107.8K−$86KCut−$166.9K
BNP PARIBAS FINANCIAL MARKETS20.1K$107.4KHeld
Scientech Research LLC18.8K$100.4KHeld
Integrated Wealth Concepts LLC18.5K$99KHeld
Fielder Capital Group LLC18.1K$96.7KHeld
TOCQUEVILLE ASSET MANAGEMENT L.P.17K$91KHeld
ProShare Advisors LLC16.9K$90.4KHeld
KLP KAPITALFORVALTNING AS16.7K$89.3KHeld
VOYA INVESTMENT MANAGEMENT LLC16.1K$86.3KHeld
J.W. COLE ADVISORS, INC.16.7K$85.4KHeld
Compound Planning, Inc.15.3K$82KHeld
CORSAIR CAPITAL MANAGEMENT, L.P.15K$80.3K−$64KCut−$160.3K
Perennial Advisors, LLC15K$80.3KHeld
MML INVESTORS SERVICES, LLC14.6K$78KHeld
Inscription Capital, LLC14.4K$76.8KHeld
NEW YORK STATE COMMON RETIREMENT FUND14.3K$76.5KHeld
TWO SIGMA SECURITIES, LLC14.3K$76.4KHeld
SummitTX Capital, L.P.14.1K$75.6KHeld
Caption Management, LLC13.8K$73.8KHeld
Steward Partners Investment Advisory, LLC13.8K$73.6KHeld
GUGGENHEIM CAPITAL LLC13.4K$71.8KHeld
Fidelity12.7K$68KHeld
DRW Securities, LLC12.3K$66.1KHeld
KKM Financial LLC12K$64.2KHeld
Chicago Capital, LLC12K$64.2KHeld
Pictet Asset Management Holding SA11.3K$60.6KHeld
VICTORY CAPITAL MANAGEMENT INC11.2K$60.1KHeld
Creative Planning10.4K$55.8KHeld
PEAK6 LLC9.28K$49.6KNew
IFP Advisors, Inc9K$48.1KNew
Ameritas Investment Partners, Inc.6.46K$34.6KHeld
Evelyn Partners Investment Management LLP5K$26.8KNew
JONES FINANCIAL COMPANIES LLLP4.88K$26.1KHeld
Rockefeller Capital Management L.P.4.12K$22KHeld
Federation des caisses Desjardins du Quebec2.18K$11.7KHeld
Bank of New Hampshire2K$10.7KHeld
Tower Research Capital LLC (TRC)1.63K$8.7KHeld
Parallel Advisors, LLC1.54K$8.22KHeld
SIGNATUREFD, LLC1.12K$6.01KHeld
NISA INVESTMENT ADVISORS, LLC1.04K$5.55KHeld
Global Retirement Partners, LLC1K$5.35KHeld
BNP PARIBAS ASSET MANAGEMENT Holding S.A.944.3K$5.05KHeld
Strive Financial Group ,LLC742$3.97KHeld
Copia Wealth Management730$3.91KHeld
Sterling Capital Management LLC576$3.08KHeld
Optiver Holding B.V.409$2.19KHeld
ORG Partners LLC387$2.07KHeld
GSA CAPITAL PARTNERS LLP329.5K$1.76KHeld
CIBC Private Wealth Group LLC300$1.6KHeld
Arax Advisory Partners283$1.51KHeld
GAMMA Investing LLC256$1.37KHeld
ARMSTRONG ADVISORY GROUP, INC216$1.16KHeld
SJS Investment Consulting Inc.200$1.07KHeld
Larson Financial Group LLC163$872Held
Canal Insurance CO100K$535Held
PNC Financial Services Group, Inc.93$498Held
FNY Investment Advisers, LLC85.1K$455−$53Added$335
Allworth Financial LP50$268−$22Added$219
PRICE T ROWE ASSOCIATES INC /MD/49K$263Held
ISLAY CAPITAL MANAGEMENT, LLC39$209Held
Quarry LP34$182Held
MassMutual Private Wealth & Trust, FSB17$91Held
TrinityBridge Ltd7.5K$40Held
ROTHSCHILD INVESTMENT LLC6$32Held
AMALGAMATED BANK2.91K$16Held
Hanson & Doremus Investment Management1K$5Held
CWM, LLC921$5Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.