# Brooklyn Investment Group

> Brooklyn Investment Group builds white-label direct-indexing technology that lets financial advisors and asset managers assemble custom, tax-managed portfolios across stocks, bonds, ETFs and funds inside a single account. Founded by ex-Goldman Sachs quants Erkko Etula and John Nay, the platform automates portfolio construction, daily tax-loss harvesting and after-tax reporting for clients overseeing more than $2 trillion. Nuveen, the $1.3 trillion TIAA arm, partnered with Brooklyn in 2023 and acquired it in 2025.

- **Founded:** 2021
- **Headquarters:** New York, New York, United States
- **Founders:** Erkko Etula (CEO, CIO & Co-Founder), John Nay (Co-Founder)
- **Team size:** ~28 employees (investment professionals, quantitative PhDs and software engineers)
- **Products:** Custom Multi-Asset Direct Indexing, Automated Tax Management, Tax-Advantaged Long/Short Portfolios, Advisor Portal & After-Tax Reporting, AI-Powered Custom Index Creation
- **Notable:** Built a multi-asset direct-indexing platform spanning equities, fixed income, ETFs and mutual funds in a single account, Onboarded clients collectively managing more than $2 trillion in assets, Secured strategic investment from Atypical Ventures and S&P Global Ventures (2024)

## Products & services

- **Custom Multi-Asset Direct Indexing** — Advisors track third-party indices, ETFs, mutual funds or fully custom indices while personalizing holdings across equities and fixed income inside a single custodian account.
- **Automated Tax Management** — Daily portfolio surveillance for tax-loss harvesting, rebalancing and lifecycle events, engineered to improve after-tax returns.
- **Tax-Advantaged Long/Short Portfolios** — Extension strategies such as 130/30 and 145/45 that generate additional tax benefits while maintaining index-like exposure.
- **Advisor Portal & After-Tax Reporting** — A portal for portfolio customization and household management, plus daily performance dashboards with tax-aware attribution.
- **AI-Powered Custom Index Creation** — Tools with point-in-time backtesting to build thematic and rules-based indices, including a liquidity-adjusted ADR index and multi-asset transition analyses.
- **Concentrated Position Management** — Tax-neutral selldown programs to diversify large single-stock holdings over time.

## Achievements

- Built a multi-asset direct-indexing platform spanning equities, fixed income, ETFs and mutual funds in a single account
- Onboarded clients collectively managing more than $2 trillion in assets
- Secured strategic investment from Atypical Ventures and S&P Global Ventures (2024)
- Acquired by Nuveen, a $1.3 trillion global asset manager, in 2025
- Co-launched MyIndex with S&P Dow Jones Indices

## Latest updates

- **2026-05** — Brooklyn merged with affiliate Nuveen Asset Management, LLC, which now manages the previously Brooklyn-operated tax-advantaged strategies.
- **2025-07** — Nuveen closed its acquisition of Brooklyn Investment Group.
- **2025-06** — Nuveen announced the acquisition of Brooklyn Investment Group (June 17, 2025).
- **2024-12** — Closed a strategic funding round led by Atypical Ventures with S&P Global Ventures; launched MyIndex with S&P Dow Jones Indices.

## Links

- Website: https://bkln.com
- LinkedIn: https://www.linkedin.com/company/bkln
- Twitter/X: https://twitter.com/bklninvest

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Profile page: https://yespress.io/brooklyn-investment-group
Published by YesPress — https://yespress.io
Last updated: 2026-08-20