AltMountain

Western Asset Opportunistic Structured Securities Portfolio, L.L.C.

Pasadena, CA · CIK 1410966 · Managed by Western Asset Management Company

Western Asset Opportunistic Structured Securities Portfolio, L.L.C. is a hedge fund based in Pasadena, California. According to its most recent Form D, filed Apr 29, 2026, the fund has sold $140,935,826 of interests to 9 investors since its first sale in Jul 2007. 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 Western Asset Management Company, LLC.

Performance

No verified returns have been reported for this fund. Hedge fund returns are not part of SEC filings; managers report them to AltMountain directly.

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Total raised
$140,935,826Cumulative sales reported on Form D
Investors
9
First sale
Jul 27, 2007
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
Western Asset Management Company, LLC
Latest Form D
Apr 29, 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. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction

Questions about Western Asset Opportunistic Structured Securities Portfolio, L.L.C.

What is the minimum investment for Western Asset Opportunistic Structured Securities Portfolio, L.L.C.?

Western Asset Opportunistic Structured Securities Portfolio, L.L.C.'s latest Form D, filed Apr 29, 2026, does not set a minimum investment. Managers can still require one in the offering documents.

Who can invest in Western Asset Opportunistic Structured Securities Portfolio, L.L.C.?

Western Asset Opportunistic Structured Securities Portfolio, L.L.C. 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 Western Asset Opportunistic Structured Securities Portfolio, L.L.C. raised?

Western Asset Opportunistic Structured Securities Portfolio, L.L.C. reports $140,935,826 sold from 9 investors on its Form D filed Apr 29, 2026. This is cumulative sales since the offering began, not current assets or performance.

Where is Western Asset Opportunistic Structured Securities Portfolio, L.L.C. based?

Western Asset Opportunistic Structured Securities Portfolio, L.L.C. is based in Pasadena, California and is managed by Western Asset Management Company.

When did Western Asset Opportunistic Structured Securities Portfolio, L.L.C. launch?

Western Asset Opportunistic Structured Securities Portfolio, L.L.C. reports its first sale in Jul 2007.

Size compared with every hedge fund

Raised more than 72% of the 1,060 hedge funds based in California, and more than 63% of all 10,307 that report sales.

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