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SC 13G ·Filed Oct 7, 2026

PORT

Southport Acquisition Corp. II
NEUTRAL
Impact 3/10
Horizonweeks Processed18d 22h ago SEC0001193125-26-416970
Passive investor 5%+ stake
Actionable Insight • Neutral

Monitor for any conversion of this 13G to a 13D, which would signal activist intent. As a passive filing, no immediate catalyst; the stake signals institutional interest in the SPAC's de-SPAC target.

DirectionNeutral
Confidencehigh
Horizonweeks

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Executive Summary

Linden Capital L.P. and related entities disclosed a 6.9% passive stake in Southport Acquisition Corp. II, a blank-check company, as of October 5, 2026. The filing is a Schedule 13G, indicating no intent to influence management, and is routine for a SPAC with a notable hedge fund investor.

Key Financial Metrics

Stake
6.9%
Investor
Linden Capital L.P.
Investor Type
hedge fund

Key Facts

  • Linden Capital L.P. and related entities beneficially own 1,500,000 Class A Ordinary Shares of Southport Acquisition Corp. II.
  • The stake represents approximately 6.9% of shares outstanding.
  • Filing is a passive Schedule 13G, not an activist 13D.
  • The investor group includes Linden Capital L.P., Linden GP LLC, Linden Advisors LP, and Siu Min Wong.
  • Date of event triggering filing: October 5, 2026; filing date: October 7, 2026.

Financial Impact

6.9% stake in a SPAC; no transaction value disclosed.

ownership percentage

Risk Factors

  • Potential conversion to activist 13D if the SPAC fails to find a suitable target.
  • SPAC liquidation risk if no business combination is completed within the required timeframe.

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G Filing (Primary)0001193125-26-416970
Document: 0001193125-26-416970-index-headers.html0001193125-26-416970
Document: 0001193125-26-416970-index.html0001193125-26-416970
Document: 0001193125-26-416970.txt0001193125-26-416970
8 reports for PORT
Performance horizon
Filters
Rows
Reports for PORT — sortable, filterable
TypeNow
Oct 23, 2026
2d ago
8-K
NEUTRAL ★ 2/10
—awaiting T+20——
Oct 21, 2026
4d ago
SC 13D/A
NEUTRAL ★ 3/10
—awaiting T+20——
Oct 8, 2026
17d ago
8-K
NEUTRAL ★ 3/10
—awaiting T+20——
Oct 7, 2026
18d ago
SC 13D
NEUTRAL ★ 3/10
—awaiting T+20——
Oct 7, 2026
18d ago
SC 13G
NEUTRAL ★ 3/10
—awaiting T+20——
Oct 5, 2026
20d ago
8-K
NEUTRAL ★ 5/10
—awaiting T+20——
Oct 2, 2026
23d ago
Press Release
NEUTRAL ★ 4/10
—awaiting T+20——
Sep 30, 2026
25d ago
Press Release
NEUTRAL ★ 4/10
—awaiting T+20——
Showing 8 of 8

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Report published Oct 7, 2026