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Clayton Partners LLC — 13F Holdings & Portfolio

CIK 1550509 · latest 13F-HR filed 2026-08-14

Backtest portfolio

Clayton Partners LLC manages $152.2M in 13F-reported U.S. long-equity assets across 44 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SNDA (8.49%), VTOL (7.81%), TAC (5.98%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 12 new positions and exited 6; 13 existing positions rose in reported value and 13 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$152.2M

Long-equity book

Holdings
44

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+12 / −6 / ↑13 / ↓13

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
SNDA8.5% · +2%VTOL7.8% · +12%TAC6.0% · +4%FLR4.3% · -0%CRC4.2% · +22%GOOG4.1% · -11%BRK.B4.0% · +0%TWLO3.4% · -23%FLEX3.3% · -51%WFC3.2% · -14%SGOV3.1% · -4%ABBV3.0% · +0%AZN2.9% · +0%NHI2.8% · +0%TKO2.7% · +0%FDX2.5% · +0%NXT2.5% · -22%DTE2.4% · newLHX2.4% · +0%IVLU2.2% · 0%VXUS2.1% · 0%J1.9% · -5%NFLX1.9% · +24%BKD1.7% · +65%TSLX1.7% · -6%MSIF1.5% · +18%EPSN1.3% · 0%HON1.2% · newB1.2% · 0%HONA1.2% · newREFI1.1% · +3%LUMN1.0% · -24%MSOS1.0% · newNTIP1.0% · +5%MITK1.0% · newFNKO0.9% · newINFU0.7% · +741%VRTS0.7% · -30%FDXF0.6% · newLIEN0.4% · newITRI0.2% · newAPTV0.1% · newNGG0.1% · newOM0.1% · new

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 48.9%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People
Assets Under Management
$793.8M
Discretionary
$321.6M
Employees
7
Accounts
1,306
Address
165 NORTH MERAMEC SUITE 130
ST. LOUIS, MO 63105
Phone
(314) 446-3250
Website
Mailing Address
165 NORTH MERAMEC, SUITE 130, ST. LOUIS, MO, 63105
Name Title / Status Ownership Type
BOWER, KENNETH, JOHN ControlMANAGING DIRECTOR & CHIEF EXECUTIVE OFFICER25–50%Individual
BOWER, MATTHEW, JOSEPH ControlMANAGING DIRECTOR & CHIEF OPERATIONS OFFICER & CCO25–50%Individual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 13 →

Top Trims

Show all 13 →

New Positions

Show all 12 →

Exited Positions

Show all 6 →

Clayton Partners LLC Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 SONIDA SENIOR LIVING INC SNDA 140475203 $12.9M 8.49% 316,775 SH
2 BRISTOW GROUP INC VTOL 11040G103 $11.9M 7.81% 287,620 SH
3 TRANSALTA CORP TAC 89346D107 $9.1M 5.98% 658,516 SH
4 FLUOR CORP FLR 343412102 $6.6M 4.32% 125,481 SH
5 CALIFORNIA RES CORP CRC 13057Q305 $6.5M 4.25% 122,260 SH
6 ALPHABET INC GOOG 02079K107 $6.3M 4.11% 17,713 SH
7 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $6.0M 3.97% 12,069 SH
8 TWILIO INC TWLO 90138F102 $5.2M 3.42% 25,232 SH
9 FLEX LTD FLEX Y2573F102 $5.1M 3.34% 31,403 SH
10 WELLS FARGO & CO WFC 949746101 $4.9M 3.22% 59,382 SH
11 ISHARES TR SGOV 46436E718 $4.7M 3.06% 46,300 SH
12 ABBVIE INC ABBV 00287Y109 $4.6M 3.02% 18,246 SH
13 ASTRAZENECA PLC AZN G0593M107 $4.4M 2.89% 23,212 SH
14 NATIONAL HEALTH INVS INC NHI 63633D104 $4.3M 2.80% 55,868 SH
15 TKO GROUP HOLDINGS INC TKO 87256C101 $4.0M 2.66% 20,100 SH
16 FEDEX CORP FDX 31428X106 $3.8M 2.50% 12,131 SH
17 NEXTPOWER INC NXT 65290E101 $3.7M 2.45% 31,344 SH
18 DTE ENERGY CO DTE 233331107 $3.7M 2.41% 24,075 SH
19 L3HARRIS TECHNOLOGIES INC LHX 502431109 $3.6M 2.35% 12,324 SH
20 ISHARES TR IVLU 46435G409 $3.4M 2.23% 81,010 SH
21 VANGUARD STAR FDS VXUS 921909768 $3.2M 2.10% 37,362 SH
22 JACOBS SOLUTIONS INC J 46982L108 $2.9M 1.88% 22,721 SH
23 NETFLIX INC. NFLX 64110L106 $2.9M 1.88% 39,986 SH
24 BROOKDALE SR LIVING INC BKD 112463104 $2.7M 1.74% 165,000 SH
25 SIXTH STREET SPECIALTY LENDI TSLX 83012A109 $2.6M 1.70% 150,280 SH
26 MSC INCOME FUND INC MSIF 55374X208 $2.3M 1.52% 200,000 SH
27 EPSILON ENERGY LTD EPSN 294375209 $2.0M 1.31% 367,953 SH
28 HONEYWELL INTL INC HON 438516205 $1.9M 1.25% 8,489 SH
29 BARRICK MNG CORP B 06849F108 $1.9M 1.25% 51,734 SH
30 HONEYWELL AEROSPACE INC HONA 43849R105 $1.9M 1.23% 8,489 SH
31 CHICAGO ATLANTIC REAL ESTATE REFI 167239102 $1.7M 1.09% 155,344 SH
32 LUMEN TECHNOLOGIES INC LUMN 550241103 $1.5M 1.01% 200,000 SH
33 ADVISORSHARES TR MSOS 00768Y453 $1.5M 1.00% 300,000 SH
34 NETWORK-1 TECHNOLOGIES INC NTIP 64121N109 $1.5M 0.99% 1,029,443 SH
35 MITEK SYS INC MITK 606710200 $1.5M 0.99% 75,000 SH
36 FUNKO INC FNKO 361008105 $1.4M 0.92% 237,280 SH
37 INFUSYSTEM HLDGS INC INFU 45685K102 $1.0M 0.66% 104,327 SH
38 VIRTUS INVT PARTNERS INC VRTS 92828Q109 $1.0M 0.66% 7,000 SH
39 FEDEX FGHT HLDG CO INC FDXF 314352105 $910.2K 0.60% 6,028 SH
40 CHICAGO ATLANTIC BDC INC LIEN 828174102 $573.2K 0.38% 58,666 SH
41 ITRON INC ITRI 465741106 $230.8K 0.15% 2,667 SH
42 APTIV PLC APTV G3265R107 $215.0K 0.14% 3,503 SH
43 NATIONAL GRID PLC NGG 636274409 $214.7K 0.14% 2,591 SH
44 OUTSET MED INC OM 690145206 $162.1K 0.11% 37,527 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $152.2M 44 0001754960-26-000768
2026-03-31 2026-05-15 $137.5M 38 0001754960-26-000385
2025-12-31 2026-02-17 $138.5M 38 0001754960-26-000186
2025-09-30 2025-11-10 $131.9M 36 0001754960-25-000761
Filer Information
Address
3160 COLLEGE AVENUE, SUITE 203
BERKELEY, CA 94705
Phone
(415) 296-5070
Filing Manager
Clayton Partners LLC
BERKELEY, CA
Signatory
Aryn Sands
Agent