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Built from publicly disclosed institutional and insider activity. Informational purposes only - not investment advice.OpenStocks · v0.1
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  3. Cliff Sosin (CAS Investment Partners)
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Cliff Sosin

CAS Investment Partners
Share
  • Hedge Fund · CIK 0001697591
  • Consumer-Focused
  • Highly Concentrated
  • Mid-Size Fund

Cliff Sosin runs CAS Investment Partners, a hedge fund overseeing $2.34B in disclosed equity holdings (SEC CIK 0001697591). The latest portfolio (2025Q4) discloses 5 positions across 4 sectors, with the largest positions in CVNA, HGV and COF. On a mark-to-market basis the tracked portfolio has returned 179.0% since 2024Q1. OpenStocks tracks 8 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Cliff's filingsView holdings↓
Portfolio
$2.34B
Positions
5
Quarter
2025Q4
Filings tracked
8
Since filing+179.0%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q1

Not enough filing history to compute mark-to-market returns for Cliff Sosin.

We need at least one year of portfolio coverage with priceable positions.

Performance overview

We mark Cliff Sosin (CAS Investment Partners)'s disclosed portfolio to current market prices and compare its growth against the S&P 500 (SPY). Cliff’s portfolio is 179.0% since 2024Q1.

Portfolio growth vs SPY
Rebased to 100 at 2024Q1 · through 2025Q4
Cliff Sosin
+239.4%
SPY
+33.2%
Alpha
+206.2pp
801502202893592024Q12024Q42025Q4
Portfolio line is the GIPS-compliant time-weighted return chain-linked across the manager's quarterly 13F filings — unaffected by capital flows. Quarters with insufficient held-through coverage are skipped, which can briefly flatten the line.
Capital flow per quarter
BuysSellsNet
+$261M+$130M$0-$130M-$261M'24Q2'24Q3'24Q4'25Q1'25Q2'25Q3'25Q4
Latest · 2025Q4
-$153M
Lifetime buys
$38M
Lifetime sells
$701M
Portfolio over time
AUMPositions
$0$771M$1.54B$2.34B54'24Q1'24Q4'25Q4
QoQ AUM
+4.2%
8Q lifetime AUM
+109.4%
QoQ positions
+0
8Q lifetime positions
+0
Position concentration
5 positions
Top 1
83%
of book
  • Top 183%$1.95BCVNA
  • Top 2-517%$391.5MHGV, COF, SWIM
  • Top 6-100%$0—
  • Top 11-200%$0—
  • Rest0%$0—