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GENDELL JEFFREY L — 13F Holdings & Portfolio

CIK 1056581 · latest 13F-HR filed 2026-08-14

Backtest portfolio

GENDELL JEFFREY L manages $11.32B in 13F-reported U.S. long-equity assets across 184 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are IESC (35.54%), IESC (26.64%), IESC (4.60%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 7 new positions and exited 5; 73 existing positions rose in reported value and 17 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.

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AUM
$11.32B

Long-equity book

Holdings
184

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+7 / −5 / ↑73 / ↓17

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
IESC68.4% · -0%SNDK3.1% · 0%OC1.4% · +7%MU1.4% · -7%TPC1.2% · +23%ORCL1.1% · newWTM1.1% · +57%APH0.9% · +64%AMR0.9% · +10%WDC0.9% · -25%OIH0.8% · +66%AAPL0.8% · +350%GLW0.8% · -19%AMD0.7% · -30%AVTR0.7% · +55%BW0.7% · +0%UFPI0.6% · +100%RIG0.6% · +18%GNW0.6% · -7%MHK0.6% · +31%FLEX0.5% · -8%AGO0.5% · +196%ON0.5% · +21%BXC0.4% · +3%BTU0.4% · +296%INDV0.4% · 0%GT0.4% · +126%XBI0.4% · 0%SLB0.4% · -2%LUMN0.3% · +5%SKY0.3% · +34%BAX0.3% · +12%HAL0.3% · 0%CNR0.3% · +176%ATKR0.3% · 0%NBR0.3% · +2%LFUS0.3% · newTTI0.3% · -9%IOSP0.2% · +10%VISN0.2% · +188%FCG0.2% · 0%BA0.2% · 0%AA0.2% · +74%SXC0.2% · +34%FTI0.2% · 0%MTRN0.2% · 0%ALKS0.2% · +13%BHC0.2% · +36%EQT0.2% · +16%LBRT0.2% · 0%TSEM0.2% · 0%ORN0.2% · 0%GEV0.2% · 0%SND0.2% · +10%MLKN0.1% · newMTRX0.1% · -3%FMC0.1% · 0%CMI0.1% · 0%WTTR0.1% · 0%RBCAA0.1% · 0%

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 = 80.4%

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

Firm Profile & Key People
Name Title / Status Ownership Type

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 73 →

Top Trims

Show all 17 →

New Positions

Show all 7 →

Exited Positions

Show all 5 →

GENDELL JEFFREY L 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 IES HOLDINGS INC IESC 44951W106 $4.02B 35.54% 5,477,671 SH
2 IES HOLDINGS INC IESC 44951W106 $3.02B 26.64% 4,106,229 SH
3 IES HOLDINGS INC IESC 44951W106 $521.3M 4.60% 709,628 SH
4 SANDISK CORP SNDK 80004C200 $272.8M 2.41% 120,000 SH
5 APPLE INC Call AAPL 037833100 $195.3M 1.73% 675,000 SH
6 OWENS CORNING OC 690742101 $120.1M 1.06% 755,635 SH
7 MICRON TECHNOLOGY INC MU 595112103 $112.5M 0.99% 97,500 SH
8 TUTOR PERINI CORP TPC 901109108 $95.6M 0.84% 1,152,463 SH
9 ORACLE CORP ORCL 68389X105 $94.7M 0.84% 646,075 SH
10 WHITE MOUNTAINS INSURANCE GP WTM G9618E107 $86.0M 0.76% 41,464 SH
11 AMPHENOL CORP-CL A APH 032095101 $78.1M 0.69% 442,875 SH
12 WESTERN DIGITAL CORP WDC 958102105 $71.9M 0.63% 112,509 SH
13 ALPHA METALLURGICAL RESOURCE AMR 020764106 $71.7M 0.63% 434,831 SH
14 VANECK OIL SERVICES ETF OIH 92189H607 $69.4M 0.61% 186,445 SH
15 APPLE INC AAPL 037833100 $68.4M 0.60% 236,250 SH
16 SANDISK CORP SNDK 80004C200 $68.2M 0.60% 30,000 SH
17 APPLE INC Call AAPL 037833100 $65.1M 0.58% 225,000 SH
18 ADVANCED MICRO DEVICES AMD 007903107 $61.0M 0.54% 105,000 SH
19 AVANTOR INC AVTR 05352A100 $56.5M 0.50% 5,705,473 SH
20 BABCOCK & WILCOX ENTERPR BW 05614L209 $55.2M 0.49% 3,915,067 SH
21 CORNING INC GLW 219350105 $53.6M 0.47% 210,000 SH
22 UFP INDUSTRIES INC UFPI 90278Q108 $51.1M 0.45% 563,505 SH
23 TRANSOCEAN LTD RIG H8817H100 $50.8M 0.45% 10,389,749 SH
24 GENWORTH FINANCIAL INC GNW 37247D106 $50.7M 0.45% 5,356,264 SH
25 MOHAWK INDUSTRIES INC MHK 608190104 $48.9M 0.43% 402,968 SH
26 FLEX LTD FLEX Y2573F102 $45.0M 0.40% 277,500 SH
27 ASSURED GUARANTY LTD AGO G0585R106 $43.7M 0.39% 544,603 SH
28 ON SEMICONDUCTOR ON 682189105 $40.4M 0.36% 427,500 SH
29 OWENS CORNING OC 690742101 $40.0M 0.35% 251,680 SH
30 MICRON TECHNOLOGY INC MU 595112103 $37.5M 0.33% 32,500 SH
31 WHITE MOUNTAINS INSURANCE GP WTM G9618E107 $36.9M 0.33% 17,779 SH
32 GOODYEAR TIRE & RUBBER CO GT 382550101 $33.1M 0.29% 5,018,019 SH
33 BLUELINX HOLDINGS INC BXC 09624H208 $32.8M 0.29% 529,293 SH
34 LUMEN TECHNOLOGIES INC LUMN 550241103 $32.2M 0.28% 4,191,580 SH
35 TUTOR PERINI CORP TPC 901109108 $32.1M 0.28% 386,678 SH
36 ORACLE CORP ORCL 68389X105 $31.6M 0.28% 215,425 SH
37 SS SPDR S&P BIOTECH ETF XBI 78464A870 $30.5M 0.27% 192,500 SH
38 CORNING INC GLW 219350105 $29.4M 0.26% 115,000 SH
39 SLB LTD SLB 806857108 $29.3M 0.26% 630,000 SH
40 LITTELFUSE INC LFUS 537008104 $28.3M 0.25% 62,157 SH
41 CHAMPION HOMES INC SKY 830830105 $28.1M 0.25% 319,020 SH
42 BAXTER INTERNATIONAL INC BAX 071813109 $28.1M 0.25% 1,316,923 SH
43 NABORS INDUSTRIES LTD NBR G6359F137 $27.5M 0.24% 326,875 SH
44 ALPHA METALLURGICAL RESOURCE AMR 020764106 $27.4M 0.24% 166,424 SH
45 PEABODY ENERGY CORP BTU 704551100 $26.7M 0.24% 1,153,093 SH
46 AMPHENOL CORP-CL A APH 032095101 $26.0M 0.23% 147,625 SH
47 INDIVIOR PHARMACEUTICALS INC INDV 45579U109 $26.0M 0.23% 633,295 SH
48 HALLIBURTON CO HAL 406216101 $24.9M 0.22% 733,117 SH
49 CORE NATURAL RESOURCES INC CNR 218937100 $24.8M 0.22% 310,178 SH
50 WESTERN DIGITAL CORP WDC 958102105 $24.0M 0.21% 37,500 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $11.32B 184 0001214659-26-010404
2026-03-31 2026-05-15 $7.34B 176 0001214659-26-006484
2025-12-31 2026-02-13 $5.76B 160 0001214659-26-001719
2025-09-30 2025-11-14 $5.44B 148 0001214659-25-016654
Filer Information
Address
1 SOUND SHORE DRIVE
SUITE 304
GREENWICH, CT 06830-7251
Phone
(203) 769-2000
Filing Manager
GENDELL JEFFREY L
Greenwich, CT
Signatory
Jeffrey L. Gendell
Authorized Signatory