/Investor DB

Alger — Full Portfolio

11 tracked investments · listed companies and verified rows first

Robinhoodrobinhood.comin𝕏NASDAQ: HOODAug 2019

Robinhood is a financial trading platform that enables users to manage portfolios across stocks, ETFs, cryptocurrencies, options, futures, and prediction markets.

FintechMenlo Park, US

Vlad Tenev(Founder)inBaiju Bhatt(Founder)inJason Warnick(Chief Financial Officer)inGretchen Howard(Executive Officer)inVladimir Tenev(Founder)

BoardScott Sandell(Director)in

Co-investors1/1 CapitalACME CapitalAliya Capital PartnersAmplo VenturesAndreessen HorowitzARTFO Holdings LLC+65 more

DealFormadealforma.comin𝕏

DealForma provides a data platform and analyst support for biopharma business development teams to research partnerships, deals, funding trends, and therapeutic areas.

BiotechData & InfrastructureHealthtechSaaS

Chris

Co-investorsTinySeedRA CapitalREDMILERTW Investments L.P.Sofinnova Ventures

E*TRADEetrade.comin𝕏

E*TRADE from Morgan Stanley is a brokerage and banking platform offering $0 commission trading in stocks, ETFs, options, and crypto, alongside savings accounts and certificates of deposit.

FintechSaaS

Co-investorsKortschak Investments L.P.

Impulse Dynamicsimpulse-dynamics.comin𝕏Dec 2025

Impulse Dynamics develops implantable medical device technology for cardiac care, with a background in biomedical research and implantable cardiac electronics.

BiotechHardwareHealthtechMedical DevicesDublin 2, US

Shlomo Ben-Haim(Director)Jason Spees(Chief Executive Officer)inPaul Bae(Chief Administrative Officer and General Counsel)inDavid Prutchi(Executive Vice President, Chief Technology Officer)inRichard J. Buchholz(Chief Financial Officer)Anthony Hong(Chief Science and Strategy Officer)in

Co-investorsAmzak HealthWellington ManagementBraidwellEssex Woodlands Healthcare PartnersREDMILESands Capital Ventures+1 more

Interactive Strength Acquires Ergattafidelity.com

Fidelity offers an online brokerage platform for retail investors to trade US stocks, ETFs, options, mutual funds, bonds, CDs, and crypto ETPs, with $0 commission on online US stock and ETF trades.

Crypto & Web3FintechSmithfield, US

Abigail P. Johnsonin

Co-investorsAdvance Venture PartnersScout VenturesScout Ventures

Sandbox AQsandboxaq.comin𝕏Apr 2026

SandboxAQ combines artificial intelligence and quantum technology to address complex industrial challenges.

AI & Machine LearningDeep TechQuantum Computing

Jack Hidary(Founder)in

BoardSergey Brin(Founder)

Co-investorsAllianz XAvant Global LLCBreyer CapitalElaiaFPVIn-Q-Tel+14 more

Vanguardvanguard.com

Vanguard offers investment products, savings and retirement tools, and personalized financial advice to help individuals build long-term wealth.

Fintech

Salim Ramji(CEO)

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Continue to SchwabProsetta BiosciencesPROSPECTUSSB Technology

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.