Magnetar
Venture capitalActively deployingEvanston
Fund manager profile
Magnetar is a venture fund manager based in Evanston. SEC filings show 1 venture fund on record, most recently Magnetar Opportunity 2025-3 LP ($125M offering) filed September 2025.
Source: SEC EDGAR Form D filings. Firm website data not yet available.
What they invest in
from 4 of 4 portfolio companiesAI & Machine Learning Γ2Enterprise Software Γ2Advanced Manufacturing Γ1Cloud Computing Γ1Data & Infrastructure Γ1Developer Tools Γ1Energy Γ1Hardware Γ1
HQs:United StatesΓ3
Investments Β· 4 tracked
founders shown can be your intro path
Hydra provides analytics query execution for Postgres databases with separated compute resources, automatic scaling, and built-in caching, designed for time series and event data workloads across multiple deployment environments.
Data & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
Joseph Sciarrino(Founder)in
Hydra develops Brokkr, an operating system that enables independent data centers to operate AI Factories by providing shared infrastructure, customer access, and monetization tools on a unified network.
AI & Machine LearningCloud ComputingMiami, US
Garrett Johnson(Executive Officer, Director)inAaron Ginn(Executive Officer, Director)in
Torus is an AI system that analyzes engineering documents such as P&IDs, datasheets, and specifications to identify cross-document inconsistencies and automate engineering workflows.
Advanced ManufacturingAI & Machine LearningEnterprise SoftwareSaaSSan Francisco, US
Marcus Lima(Co-Founder & CEO)inRahul Thayil(Co-Founder & CTO)in
Fund performance Β· per public LP disclosures Β· 3
as of Dec 2021| Fund | Vintage | Committed | Net IRR | TVPI | DPI |
|---|---|---|---|---|---|
| Magnetar ConstellationLPs: Kern County Employees' Retirement Association | 2018 | β | β | 1.11x | 0.52x |
| Magnetar Constellation Fund VLPs: Kern County Employees' Retirement Association | 2018 | β | 4.8% | 1.21x | 1.04x |
| Magnetar Constellation Fund IV LLCLPs: North Carolina Retirement Systems | 2013 | β | 5.6% | 1.28x | 1.24x |
Source: public limited-partner disclosures (CalPERS, CalSTRS). Net IRR / TVPI / DPI as reported by the limited partner; a fund's early-year IRR is an interim estimate (J-curve).
Frequently asked questions
- Where is Magnetar located?
- Magnetar is headquartered in Evanston, US.