Spark Capital Founders' Fund IX, L.P. is a venture capital fund based in Boston, Massachusetts. According to its most recent Form D, filed Aug 4, 2026, it has sold $10,119,000 of interests to 47 investors since its first sale in Jul 2026. The filing does not set a minimum investment. It relies on the Section 3(c)(1) exclusion, which limits it to 100 beneficial owners, typically accredited investors. The offering uses Rule 506(c), which permits general advertising to investors verified as accredited. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Spark Management Partners IX, LLC; Santo Politi; Alex Finkelstein.
- Total raised
- $10,119,000Cumulative sales reported on Form D
- Investors
- 47
- First sale
- Jul 30, 2026
- Minimum investment
- None set
- Who can invest
- Accredited investorsSection 3(c)(1): up to 100 beneficial owners
- Offering exemption
- Rule 506(c)May advertise; investors must be verified as accredited
- Key people and entities
- Spark Management Partners IX, LLC; Santo Politi; Alex Finkelstein
- Latest Form D
- Aug 4, 2026
From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Returns are not part of SEC filings. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction
Questions about Spark Capital Founders' Fund IX, L.P.
What is the minimum investment for Spark Capital Founders' Fund IX, L.P.?
Spark Capital Founders' Fund IX, L.P.'s latest Form D, filed Aug 4, 2026, does not set a minimum investment. Managers can still require one in the offering documents.
Who can invest in Spark Capital Founders' Fund IX, L.P.?
Spark Capital Founders' Fund IX, L.P. is generally open only to accredited investors, and it may have no more than 100 beneficial owners because it relies on Section 3(c)(1). It uses Rule 506(c), so it may advertise, but every investor must be verified as accredited.
How much has Spark Capital Founders' Fund IX, L.P. raised?
Spark Capital Founders' Fund IX, L.P. reports $10,119,000 sold from 47 investors on its Form D filed Aug 4, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is Spark Capital Founders' Fund IX, L.P. based?
Spark Capital Founders' Fund IX, L.P. is based in Boston, Massachusetts.
When did Spark Capital Founders' Fund IX, L.P. launch?
Spark Capital Founders' Fund IX, L.P. reports its first sale in Jul 2026, which makes it an emerging manager by AltMountain's definition (first sale in 2021 or later and under $50 million raised).
Size compared with every venture capital fund
Raised more than 82% of the 540 venture capital funds based in Massachusetts, and more than 88% of all 15,160 that report sales.