Western Standard LLC

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 12, 2025), Western Standard LLC reported 22 stock positions worth $187.0 million. Its top holding was Keros Therapeutics (KROS) at 18.5% of the portfolio, followed by Octave Specialty (OSG, 11.8%) and Alphatec (ATEC, 9.8%). Compared with Q2 2025, it opened 11 new positions, sold out of 9, added to 3 and reduced 3. The biggest buy was a new position in Octave Specialty (OSG) and the biggest sale an exit from Ecovyst (ECVT).

Most Recent 13F
Q2 2026
Location
Los Angeles, CA
CIK
0001517666
Portfolio Value
$187.0M (Q3 2025)
SEC Filing
0001193125-25-275716 ↗ filed Nov 12, 2025

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 $187.0M Q3 2025 Q4 2025: $216.8M Q4 2025 Q1 2026: $190.2M Q1 2026 Q2 2026: $295.3M Q2 2026

Holdings 22 stocks · $187.0M

KROS Keros Therapeutics Inc. 18.53% 2,189,882 $34.6M Add +42.7%
OSG Octave Specialty Group Inc. filed as AMBAC FINL GROUP INC 11.78% 2,641,351 $22.0M New
ATEC Alphatec Holdings Inc. 9.76% 1,255,374 $18.3M No change
SEM Select Medical Holdings Corp. 7.25% 1,055,357 $13.6M New
DRVN Driven Brands Holdings Inc. 5.97% 693,413 $11.2M Add +69.3%
EZPW Ezcorp Inc. Class A 5.40% 530,000 $10.1M No change
GDOT Green Dot Corp. Class A 4.79% 666,330 $8.9M Add +14.8%
CWCO Consolidated Water Co.-Ord SH 4.00% 211,785 $7.5M Reduce -34.6%
NPK National Presto Inds Inc. 3.64% 60,730 $6.8M No change
BBWI Bath & Body Works Inc. 3.62% 263,061 $6.8M New
ABEO Abeona Therapeutics Inc. 3.53% 1,249,957 $6.6M Reduce -40.2%
FIVE Five Below 3.36% 40,600 $6.3M New
AVNW Aviat Networks Inc. 3.29% 267,906 $6.1M No change
UUP Invesco DB US Dollar Index B 2.73% 185,453 $5.1M No change
MCW Mister Car Wash Inc. 2.22% 777,482 $4.1M New
YETI Yeti Holdings Inc. filed as YETI HLDGS INC 2.10% 118,455 $3.9M Reduce -64.6%
FRPT Freshpet Inc. 1.89% 64,000 $3.5M New
SXT Sensient Technologies Corp. 1.73% 34,452 $3.2M New
ABUS Arbutus Biopharma Corp. 1.23% 507,853 $2.3M New
IOSP Innospec Inc. 1.11% 27,000 $2.1M New
CMA Comerica Inc. 1.08% 29,500 $2.0M New
FIGS Figs Inc. Class A 1.00% 278,440 $1.9M New

Options reported separately and not counted above: SPY puts ($119.9M), IWM puts ($30.2M).

Portfolio Sells Q2 2025 → Q3 2025

ECVT Ecovyst Inc. Sold out 0.00% −16.33
TIGO Millicom Intl Cellular S.A. Sold out 0.00% −6.55
PBPB Potbelly Corp. Sold out 0.00% −6.32
AIV Apartment Invt & Mgmt Co. Class A Sold out 0.00% −5.10
YETI Yeti Holdings Inc. Reduce -64.6% 2.10% −3.76
ABEO Abeona Therapeutics Inc. Reduce -40.2% 3.53% −3.08
NBN Northeast Bank Sold out 0.00% −2.63
NNI Nelnet Inc. Class A Sold out 0.00% −2.45
CWCO Consolidated Water Co.-Ord SH Reduce -34.6% 4.00% −1.41
EVRI Everi Holdings Inc. Sold out 0.00% −1.15
PRTS Carparts.com Inc. Sold out 0.00% −0.79
K Kellanova Sold out 0.00% −0.40

Portfolio Buys Q2 2025 → Q3 2025

OSG Octave Specialty Group Inc. New 11.78% +11.78
SEM Select Medical Holdings Corp. New 7.25% +7.25
KROS Keros Therapeutics Inc. Add +42.7% 18.53% +7.13
BBWI Bath & Body Works Inc. New 3.62% +3.62
FIVE Five Below New 3.36% +3.36
MCW Mister Car Wash Inc. New 2.22% +2.22
DRVN Driven Brands Holdings Inc. Add +69.3% 5.97% +1.97
FRPT Freshpet Inc. New 1.89% +1.89
SXT Sensient Technologies Corp. New 1.73% +1.73
GDOT Green Dot Corp. Class A Add +14.8% 4.79% +1.30
ABUS Arbutus Biopharma Corp. New 1.23% +1.23
IOSP Innospec Inc. New 1.11% +1.11
CMA Comerica Inc. New 1.08% +1.08
FIGS Figs Inc. Class A New 1.00% +1.00

Options Activity Q2 2025 → Q3 2025

SPY SS SPDR S&P 500 ETF Trust-US put New 180,000 $119.9M
IWM iShares Russell 2000 ETF put New 125,000 $30.2M

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