# Thayer Street Partners: portfolio, investments and team

> Thayer Street Partners is a growth equity based in United States. 12 investments on record, 1 in the last 12 months, latest Jun 2026.

Source: https://millionrounds.com/fund/thayer-street-partners (Millionrounds; every figure on the page links to its filing or article)

United States · [Investor](https://millionrounds.com/investors)

# Thayer Street Partners

Last cheque observed Jun 2026; 12 cheques on record.

Email

Growth equity Deploying now New fund $275M, Jul 2026

Growth Financial Services Business Services Real Estate Services

Follow Thayer Street Partners and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fthayer-street-partners)

Deploying now

**100%** of best year **1** **cheques in 12 months**, 12 on record

Since the last cheque **143** days **00** hrs **00** min **00** sec

Median round **$50M** Cheque size, as they say **$30M – $100M** Rounds led **1 of 12** Sole investor **3 rounds** Exits **2 from the portfolio** Mostly in **United States, 100%**

Pitch Thayer Street Partners

## Thayer Street Partners highlights

- 01 1 cheques in the last 12 months
- 02 Mostly Seed and Series C: 64% of its rounds
- 03 Sole investor in 3 rounds, median undisclosed
- 04 2 exits from the portfolio

## What they do

> Long-term capital partner for founder-led businesses. Structured capital for growth, M&A aggregation financing and customized capital solutions. From their own website

- **Type:** Growth equity
- **Cheque size:** $30M – $100M as they say
- **Stages:** Growth
- **Sectors:** Financial Services Business Services Real Estate Services
- **Based in:** New York, United States
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **12 appearances**

- **2026** 1 round
- **Jun** **[Interchecks](https://millionrounds.com/company/interchecks)** Series C · US · AlleyWatch **$50M** *Led*
- **2015** 1 round
- **Jul** **[ShopKeep](https://millionrounds.com/company/shopkeep)** Series D · US **$60M** With 5 others
- **2014** 4 rounds
- **Jul** **[Transfix](https://millionrounds.com/company/transfix)** Seed · US **$2.5M** With 10 others
- **Apr** **[ShopKeep](https://millionrounds.com/company/shopkeep)** Series C · US **$25M** With 6 others
- **Apr** **[Goji](https://millionrounds.com/company/goji)** Venture · US **$14M** With 3 others
- **Feb** **[AuditFile](https://millionrounds.com/company/auditfile)** Venture · US **$3.0M** With 26 others
- **2013** 1 round
- **Feb** **[Goji](https://millionrounds.com/company/goji)** Series C · US · bizjournals.com **$53M** With 2 others
- **2012** 5 rounds
- **Oct** **[Prospect Accelerator](https://millionrounds.com/company/prospect-accelerator)** Seed · US **Undisclosed** Sole investor
- **May** **[Endurance Lending Network](https://millionrounds.com/company/endurance-lending-network)** Seed · US **$1.5M** With 4 others
- **Mar** **[LifeLock](https://millionrounds.com/company/lifelock)** Growth · US · techcrunch.com **$100M** With 8 others
- **Jan** **[ClearServe](https://millionrounds.com/company/clearserve)** Seed · US **Undisclosed** Sole investor
- **Jan** **[ClickPay, A Division of NovelPay, LLC](https://millionrounds.com/company/clickpay-a-division-of-novelpay-llc)** US **Undisclosed** Sole investor

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

## The team

Named by the firm itself, on a filing, its Form ADV or its company registration **2 named**

JS **Joshua Sirow Koplewicz** Managing Partner of the General Partner of the Issuer; Managing Partner of the Manager i Filing they signed

NV **Nicole Ventimiglia Luongo** Chief Financial Officer i Form ADV

We also hold **3** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

## What the register says

From the firm's own filings with the SEC, which it must file accurately by law

**$1.0B** assets it manages Oct 2026

**Registered** investment adviser full reporting to the SEC

- **Legal name:** Thayer Street Partners Management, LLC
- **SEC number:** CRD 170763

Funds on its Form ADV

**24** private funds, **$915M** in gross assets · filed Mar 2024

- Thayer Street Partners Opportunity Fund II, L.P. *Private equity* 80 investors $275M
- Thayer Street Partners Equity Opportunity Fund, L.P. *Private equity* 47 investors $202M
- TS Silver II, LLC *Private equity* 57 investors $79M
- TS Q, LLC *Private equity* 4 investors $66M
- TS Rover I, LLC *Private equity* 11 investors $58M
- Tseof I GP Coinvestment, L.P. *Private equity* 17 investors $38M
- TS AAM, LLC *Private equity* 5 investors $32M
- TS LIFT I, LLC *Private equity* 34 investors $26M
- TSOF II GP Coinvestment, L.P. *Private equity* 17 investors $24M
- TS LIFT II, LLC *Private equity* 11 investors $24M

And 14 more on the filing.

## Exits from the portfolio

Companies it backed that were later bought or listed **2 in all**

**[Endurance Lending Network](https://millionrounds.com/company/endurance-lending-network)** Bought by Funding Circle **Undisclosed** Oct 2013

**[LifeLock](https://millionrounds.com/company/lifelock)** Listed **Undisclosed** Oct 2012

An exit counts when it came after the firm's first round in the company. From historical deal records.

New fund on file

**$275M**

raised in Jul 2026

From its SEC filing, not a journalist: a firm that has just raised has money to deploy.

## The cheque

Growth

Median round joined **$50M** the round, not its cheque Alone, median **-**

Led 1 of 12 rounds **8%**

- **Said size:** $30M – $100M
- **Sole investor:** 3 rounds
- **Last cheque:** Jun 2026
- **Exits:** 2 from the portfolio

Rounds by stage said on their site

- Seed *4*
- Series C *3*
- Venture *2*
- Growth said *1*
- Series D *1*

Cheques by month Led Joined

Dec 2023 Nov 2026

Often in the room with

- [Canaan](https://millionrounds.com/fund/canaan-partners) 2
- [Contour Venture Partners](https://millionrounds.com/fund/contour-venture-partners) 2
- [Matt Coffin](https://millionrounds.com/fund/matt-coffin) 2
- [Spark Capital](https://millionrounds.com/fund/spark-capital) 2
- [TTV Capital](https://millionrounds.com/fund/ttv-capital) 2
- [Tribeca Venture Partners](https://millionrounds.com/fund/tribeca-venture-partners) 2

**Pitching Thayer Street Partners?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque.

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## Who they invest alongside

The investors most often in the same rounds as Thayer Street Partners. A count of rooms they were both in, not a relationship either has claimed.

[**Canaan** VC firm **2** rounds together](https://millionrounds.com/fund/canaan-partners)[**Contour Venture Partners** VC firm **2** rounds together](https://millionrounds.com/fund/contour-venture-partners)[**Matt Coffin** Angel **2** rounds together](https://millionrounds.com/fund/matt-coffin)[**Spark Capital** VC firm **2** rounds together](https://millionrounds.com/fund/spark-capital)[**TTV Capital** VC firm **2** rounds together](https://millionrounds.com/fund/ttv-capital)[**Tribeca Venture Partners** VC firm **2** rounds together](https://millionrounds.com/fund/tribeca-venture-partners)

## Recently backed

The latest companies Thayer Street Partners put money into.

[**Interchecks** $50M · Jun 2026](https://millionrounds.com/company/interchecks)

## Mentioned on podcasts

Episodes that name Thayer Street Partners in their description, not their title.

- [Capital Allocators](https://millionrounds.com/podcasts/capital-allocators) 12 Jun 2025 · 56 min Josh Koplewicz – Flexible Capital and Creative Structures at Thayer Street (EP.451) With [Josh Koplewicz](https://millionrounds.com/person/josh-koplewicz) Mentions [Thayer Street Partners](https://millionrounds.com/fund/thayer-street-partners) Apple PodcastsShow page
- [Business Breakdowns](https://millionrounds.com/podcasts/business-breakdowns) 19 Jun 2024 · 43 min The Marina Industry: Building Moats, Storing Boats - [Business Breakdowns, EP.170] Mentions [Thayer Street Partners](https://millionrounds.com/fund/thayer-street-partners)[Josh Koplewicz](https://millionrounds.com/person/josh-koplewicz) Apple PodcastsShow page

## Quick answers about Thayer Street Partners

### What does Thayer Street Partners invest in?

Thayer Street Partners invests most often at Seed and Series C (64% of the rounds on record), in sectors such as Financial Services, Business Services and Real Estate Services.

### How active is Thayer Street Partners?

12 investments on record, 1 of them in the last 12 months, and it led 1. The most recent was in Jun 2026.

### What has Thayer Street Partners invested in recently?

Its most recent investments on record: Interchecks (Series C, Jun 2026).

### How big are Thayer Street Partners's cheques?

The median round it joins is $50M. It says it writes cheques of $30M to $100M.

### Does Thayer Street Partners lead rounds?

Sometimes: it led 1 of its 12 investments on record (8%).

### Where does Thayer Street Partners invest?

Most of the companies it backs are in the United States (100%).

### Is Thayer Street Partners investing now?

Yes: it is actively investing, with 1 investments in the last 12 months.

### Who does Thayer Street Partners invest alongside?

Most often Canaan (2 rounds together), Contour Venture Partners (2 rounds together) and Matt Coffin (2 rounds together).

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