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Data

Accel and Andreessen Horowitz back 12 rounds each in 90-day venture tally

Across 356 rounds tracked by OSH, six venture firms led deal volume while 1,204 distinct investors took part.

OSH Desk2 min read

Accel and Andreessen Horowitz tied as the most active startup backers over the last 90 days, each taking part in 12 announced funding rounds [1]. Andreessen Horowitz took the lead role in five of those transactions, while Accel led four [1].

Overall market breadth remained wide during the period. Across 356 announced rounds tracked in the OSH registry, 1,204 distinct investors joined at least one deal [1].

Top investors by rounds announced in the last 90 days

Most active venture firms by round count

| Firm | Total rounds | Rounds led |
| --- | --- | --- |
| Accel | 12 | 4 |
| Andreessen Horowitz | 12 | 5 |
| Sequoia Capital | 11 | 5 |
| Y Combinator | 11 | 0 |
| Lightspeed | 10 | 5 |
| Khosla Ventures | 10 | 2 |

Lead roles versus syndicate breadth

Sequoia Capital and accelerator Y Combinator followed closely behind the top pair, each participating in 11 rounds over the 90-day span [1]. Their strategies diverged significantly on round structure: Sequoia Capital served as the lead investor in five rounds, whereas Y Combinator led zero [1].

Lightspeed and Khosla Ventures each backed 10 transactions during the quarter [1]. Lightspeed took the lead in five rounds, matching the lead counts of Andreessen Horowitz and Sequoia Capital [1]. Khosla Ventures took the lead role in two deals [1].

What this means for founders

Founders seeking high-conviction partners will note that Andreessen Horowitz, Sequoia Capital, and Lightspeed each posted five lead checks over the 90-day period [1]. At the same time, syndicate networks remain fragmented across the broader ecosystem, with 1,204 distinct entities participating across 356 deals [1].

What this means for investors

Syndication competition remains steady at the top of the market. Established institutions continue to secure lead positions on multiple deals per month, even as thousands of smaller co-investors share allocations across a relatively concentrated set of 356 transactions [1].

How we measured

Data comes directly from the OSH Rounds registry, evaluating 356 funding rounds announced during the 90-day period ending on Oct. 24, 2026 [1]. Figures track disclosed participation across 1,204 distinct investors, categorizing firms by total rounds joined and rounds explicitly classified as led [1].

What the data does not show

This tally reflects publicly disclosed and verified funding events only [1]. Rounds involving confidential syndicate participants, unannounced financings, or undisclosed commitments are excluded, and counts are not weighted by the exact dollar amounts committed by individual participants [1].

Questions and answers

Which venture firms participated in the most funding rounds over the last 90 days?

Accel and Andreessen Horowitz tied for first place, each participating in 12 funding rounds.

Which investors led the most rounds during the period?

Andreessen Horowitz, Sequoia Capital, and Lightspeed tied for the most lead positions, with five led rounds each.

How many total rounds and investors were evaluated?

The report evaluated 356 funding rounds featuring 1,204 distinct participating investors.

TopicsOSH Index

Sources

  1. 1.OSH Rounds data — OSH Rounds, Oct 24, 2026
  2. 2.OSH methodology — Off Sand Hill, Oct 24, 2026

Researched and drafted with AI tools under OSH editorial rules. Every fact links to its source. Editorial policy · Suggest a correction