Western Standard LLC

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 3, 2026), Western Standard LLC reported 25 stock positions worth $216.8 million. Its top holding was Select Medical (SEM) at 14.1% of the portfolio, followed by Alphatec (ATEC, 12.2%) and Green Dot Class A (GDOT, 11.7%). Compared with Q3 2025, it opened 13 new positions, sold out of 10, added to 5 and reduced 3. The biggest buy was Innospec (IOSP, shares +894%) and the biggest sale an exit from Keros Therapeutics (KROS).

Most Recent 13F
Q2 2026
Location
Los Angeles, CA
CIK
0001517666
Portfolio Value
$216.8M (Q4 2025)
SEC Filing
0001193125-26-034830 ↗ filed Feb 3, 2026

Holdings Value

0$100.0M$200.0M$300.0M Q1 2024: $106.1M Q1 2024 Q2 2024: $96.6M Q2 2024 Q3 2024: $106.6M Q3 2024 Q4 2024: $150.1M Q4 2024 Q1 2025: $170.1M Q1 2025 Q2 2025: $179.7M Q2 2025 Q3 2025: $187.0M Q3 2025 Q4 2025: $216.8M $216.8M Q4 2025 Q1 2026: $190.2M Q1 2026 Q2 2026: $295.3M Q2 2026

Holdings 25 stocks · $216.8M

SEM Select Medical Holdings Corp. 14.14% 2,064,021 $30.7M Add +95.6%
ATEC Alphatec Holdings Inc. 12.18% 1,255,374 $26.4M No change
GDOT Green Dot Corp. Class A 11.69% 1,977,500 $25.3M Add +196.8%
IOSP Innospec Inc. 9.47% 268,367 $20.5M Add +894.0%
OSG Octave Specialty Group Inc. 8.99% 2,504,627 $19.5M Reduce -5.2%
AVNW Aviat Networks Inc. 4.87% 494,238 $10.6M Add +84.5%
AIV Apartment Invt & Mgmt Co. Class A 4.60% 1,679,924 $10.0M New
BLTE Belite Bio Inc. - ADR 4.43% 60,026 $9.6M New
NSP Insperity Inc. 3.85% 215,600 $8.3M New
EZPW Ezcorp Inc. Class A 3.58% 400,000 $7.8M Reduce -24.5%
FIVE Five Below 3.53% 40,600 $7.6M No change
CODI Compass Diversified Holdings 2.58% 1,165,000 $5.6M New
UUP Invesco DB US Dollar Index B 2.31% 185,453 $5.0M No change
DRVN Driven Brands Holdings Inc. 2.07% 303,413 $4.5M Reduce -56.2%
MCW Mister Car Wash Inc. 2.05% 797,906 $4.4M Add +2.6%
NX Quanex Building Products 1.95% 274,338 $4.2M New
ABUS Arbutus Biopharma Corp. 1.13% 507,853 $2.4M No change
GOOGL Alphabet Inc. Class A 1.01% 7,000 $2.2M New
FOXF Fox Factory Holding Corp. 0.95% 120,000 $2.1M New
FFBC First Financial Bancorp 0.87% 75,000 $1.9M New
SVV Savers Value Village Inc. 0.86% 200,000 $1.9M New
ANGI Angi Inc. 0.83% 138,842 $1.8M New
UPBD Upbound Group Inc. 0.81% 100,000 $1.8M New
SNCR Synchronoss Technologies Inc. 0.77% 195,117 $1.7M New
LKFT Lakefront Biotherapeutic-ADR filed as GALAPAGOS NV 0.48% 32,000 $1.0M New

Portfolio Sells Q3 2025 → Q4 2025

KROS Keros Therapeutics Inc. Sold out 0.00% −18.53
CWCO Consolidated Water Co.-Ord SH Sold out 0.00% −4.00
DRVN Driven Brands Holdings Inc. Reduce -56.2% 2.07% −3.90
NPK National Presto Inds Inc. Sold out 0.00% −3.64
BBWI Bath & Body Works Inc. Sold out 0.00% −3.62
ABEO Abeona Therapeutics Inc. Sold out 0.00% −3.53
OSG Octave Specialty Group Inc. Reduce -5.2% 8.99% −2.79
YETI Yeti Holdings Inc. Sold out 0.00% −2.10
FRPT Freshpet Inc. Sold out 0.00% −1.89
EZPW Ezcorp Inc. Class A Reduce -24.5% 3.58% −1.81
SXT Sensient Technologies Corp. Sold out 0.00% −1.73
CMA Comerica Inc. Sold out 0.00% −1.08
FIGS Figs Inc. Class A Sold out 0.00% −1.00

Portfolio Buys Q3 2025 → Q4 2025

IOSP Innospec Inc. Add +894.0% 9.47% +8.36
GDOT Green Dot Corp. Class A Add +196.8% 11.69% +6.90
SEM Select Medical Holdings Corp. Add +95.6% 14.14% +6.89
AIV Apartment Invt & Mgmt Co. Class A New 4.60% +4.60
BLTE Belite Bio Inc. - ADR New 4.43% +4.43
NSP Insperity Inc. New 3.85% +3.85
CODI Compass Diversified Holdings New 2.58% +2.58
NX Quanex Building Products New 1.95% +1.95
AVNW Aviat Networks Inc. Add +84.5% 4.87% +1.59
GOOGL Alphabet Inc. Class A New 1.01% +1.01
FOXF Fox Factory Holding Corp. New 0.95% +0.95
FFBC First Financial Bancorp New 0.87% +0.87
SVV Savers Value Village Inc. New 0.86% +0.86
ANGI Angi Inc. New 0.83% +0.83
UPBD Upbound Group Inc. New 0.81% +0.81
SNCR Synchronoss Technologies Inc. New 0.77% +0.77
LKFT Lakefront Biotherapeutic-ADR New 0.48% +0.48
MCW Mister Car Wash Inc. Add +2.6% 2.05% −0.17

Options Activity Q3 2025 → Q4 2025

SPY SS SPDR S&P 500 ETF Trust-US put Sold out 180,000 $119.9Mbefore exit
IWM iShares Russell 2000 ETF put Sold out 125,000 $30.2Mbefore exit

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 27$295.3MGDOT, GLAS, CODI, ABVX, AVTR
Q1 2026 23$190.2MGDOT, CODI, TFX, IOSP, OSG
Q4 2025 25$216.8MSEM, ATEC, GDOT, IOSP, OSG
Q3 2025 22$187.0MKROS, OSG, ATEC, SEM, DRVN
Q2 2025 20$179.7MECVT, KROS, ATEC, ABEO, TIGO
Q1 2025 29$170.1MFFNW, VTOL, K, ATEC, ABEO
Q4 2024 23$150.1MFFNW, VTOL, ABEO, MCY, ECVT
Q3 2024 21$106.6MEQC, VTOL, ABEO, ZUO, NVRO
Q2 2024 22$96.6MEQC, VTOL, ZUO, ABEO, PBPB
Q1 2024 22$106.1MMACK, VTOL, ABEO, EQC, FIS