# Lynrock Lake Master Fund LP: portfolio, investments and team

> Lynrock Lake Master Fund LP is an investment firm. 1 investment on record, latest Oct 2025. Portfolio, stages, co-investors and team.

Source: https://millionrounds.com/fund/lynrock-lake-master-fund-lp (Millionrounds; every figure on the page links to its filing or article)

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

# Lynrock Lake Master Fund LP

Last cheque observed Oct 2025. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.

Quiet Investment firm

Cheques on record

**0%** of best year **0** **cheques in 12 months**, 1 on record

Since the last cheque **390** days **00** hrs **00** min **00** sec

Median round **$18M** Rounds led **0 of 1**

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## Lynrock Lake Master Fund LP highlights

- 01 1 rounds on record

## What they do

- **Type:** Investment firm (from a list, unverified)
- **Cheque size:** Not stated
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **1 appearances**

- **2025** 1 round
- **Oct** **[QT Imaging](https://millionrounds.com/company/qt-imaging)** US · Firms' own news pages **$18M** With 2 others

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 cheque

Median round joined **$18M** the round, not its cheque

Led 0 of 1 rounds **0%**

- **Sole investor:** Never alone
- **Last cheque:** Oct 2025

Cheques by month Led Joined

Nov 2023 Oct 2026

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## Recently backed

The latest companies Lynrock Lake Master Fund LP put money into.

[**QT Imaging** $18M · Oct 2025](https://millionrounds.com/company/qt-imaging)

## Quick answers about Lynrock Lake Master Fund LP

### How active is Lynrock Lake Master Fund LP?

1 investments on record, 0 of them in the last 12 months. The most recent was in Oct 2025.

### What has Lynrock Lake Master Fund LP invested in recently?

Its most recent investments on record: QT Imaging (Undisclosed round, Oct 2025).

### How big are Lynrock Lake Master Fund LP's cheques?

The median round it joins is $18M.

### Is Lynrock Lake Master Fund LP investing now?

No investments in the last 12 months; the latest was in Oct 2025.

### What kind of investor is Lynrock Lake Master Fund LP?

Lynrock Lake Master Fund LP is an investment firm.

### Where does this information on Lynrock Lake Master Fund LP come from?

From 1 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.

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Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=lynrock-lake-master-fund-lp) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=lynrock-lake-master-fund-lp)