AltMountain

Climate Adaptive Infrastructure Fund II-B LP

Mill Valley, CA · CIK 2109353

Climate Adaptive Infrastructure Fund II-B LP is a private equity fund based in Mill Valley, California. According to its most recent Form D, filed Feb 9, 2026, it has sold $75,000,000 of interests to 1 investor since its first sale in Jan 2026. The filing does not set a minimum investment. It relies on the Section 3(c)(7) exclusion, so investors generally must be qualified purchasers. The offering uses Rule 506(b), which does not permit general solicitation. Related persons named in the filing include William Green.

Total raised
$75,000,000Cumulative sales reported on Form D
Investors
1
First sale
Jan 27, 2026
Minimum investment
None set
Who can invest
Qualified purchasersSection 3(c)(7): generally $5M+ in investments
Offering exemption
Rule 506(b)No general advertising
Key people and entities
William Green
Latest Form D
Feb 9, 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 Climate Adaptive Infrastructure Fund II-B LP

What is the minimum investment for Climate Adaptive Infrastructure Fund II-B LP?

Climate Adaptive Infrastructure Fund II-B LP's latest Form D, filed Feb 9, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Climate Adaptive Infrastructure Fund II-B LP?

Climate Adaptive Infrastructure Fund II-B LP is generally open only to qualified purchasers (generally individuals with at least $5 million in investments), because it relies on Section 3(c)(7). It uses Rule 506(b), which does not allow general advertising.

How much has Climate Adaptive Infrastructure Fund II-B LP raised?

Climate Adaptive Infrastructure Fund II-B LP reports $75,000,000 sold from 1 investor on its Form D filed Feb 9, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Climate Adaptive Infrastructure Fund II-B LP based?

Climate Adaptive Infrastructure Fund II-B LP is based in Mill Valley, California.

When did Climate Adaptive Infrastructure Fund II-B LP launch?

Climate Adaptive Infrastructure Fund II-B LP reports its first sale in Jan 2026.

Size compared with every private equity fund

Raised more than 85% of the 1,777 private equity funds based in California, and more than 69% of all 9,142 that report sales.

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