Diesslin Group, Inc.

FORT WORTH, TX · CIK 2108559 · 13F filing filed 2026-04-21

SEC-registered investment adviser since 1988 · other (specify)

Assets managed$696.3m
Staff12 · 6 in investment roles
Main clients (by assets)High net worth individuals 86%, Individuals 8%, Charities 6%
Private funds2 · $1.0m gross assets
Websitediesslin.com
Form ADV · 2026-08-25SEC adviser record

$222.0m reported value -11.8% vs Q4 2025

53positions

86.5%in top 10

3 new 14 added 19 reduced 4 sold out vs Q4 2025

Holdings, Q1 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	BERKSHIRE HATHAWAY INC DEL CL B NEW BRK.B	BRK.B	121,295	$58.1m26.18%	26.18%	Added +1.5k	+1,499 1.2%
2	JANUS DETROIT STR TR HENDRSON AAA CL JAAA	JAAA	637,921	$32.1m14.47%	14.47%	Added +11.0k	+11,002 1.8%
3	INVESCO QQQ TR UNIT SER 1 QQQ	QQQ	46,232	$26.7m12.02%	12.02%	Reduced -208	-208 -0.5%
4	VANGUARD INDEX FDS MCAP VL IDXVIP VOE	VOE	124,837	$23.0m10.36%	10.36%	Reduced -6.5k	-6,460 -4.9%
5	ISHARES TR RUSEL 2500 ETF SMMD	SMMD	291,193	$22.2m10.01%	10.01%	Reduced -11.9k	-11,868 -3.9%
6	VANGUARD WORLD FD EXTENDED DUR EDV	EDV	140,603	$9.1m4.11%	4.11%	Reduced -226.8k	-226,780 -61.7%
7	INVESCO EXCHANGE TRADED FD T S&P500 EQL WGT RSP	RSP	45,115	$8.7m3.90%	3.90%	Added +934	+934 2.1%
8	WALMART INC COM WMT	WMT	33,941	$4.2m1.90%	1.90%	Unchanged
9	ISHARES TR 20 YR TR BD ETF TLT	TLT	48,621	$4.2m1.90%	1.90%	Reduced -36.8k	-36,807 -43.1%
10	APPLE INC COM AAPL	AAPL	14,812	$3.8m1.69%	1.69%	Reduced -191	-191 -1.3%
11	VANGUARD INDEX FDS TOTAL STK MKT VTI	VTI	7,732	$2.5m1.12%	1.12%	Added +945	+945 13.9%
12	SPDR S&P 500 ETF TR TR UNIT SPY	SPY	3,326	$2.2m0.97%	0.97%	Added +11	+11 0.3%
13	BERKSHIRE HATHAWAY INC DEL CL A BRK.A	BRK.A	3	$2.2m0.97%	0.97%	Unchanged
14	PLAINS GP HLDGS L P LTD PARTNR INT A PAGP	PAGP	82,177	$2.0m0.90%	0.90%	Added +3.4k	+3,428 4.3%
15	VANGUARD TAX-MANAGED FDS VAN FTSE DEV MKT VEA	VEA	22,421	$1.4m0.65%	0.65%	Added +1.7k	+1,692 8.2%
16	SPROTT PHYSICAL GOLD TR UNIT PHYS	PHYS	39,596	$1.4m0.63%	0.63%	Added +3.8k	+3,762 10.5%
17	JOHNSON & JOHNSON COM JNJ	JNJ	4,668	$1.1m0.51%	0.51%	Reduced -782	-782 -14.3%
18	MICROSOFT CORP COM MSFT	MSFT	2,940	$1.1m0.49%	0.49%	Added +1	+1 0.0%
19	PEPSICO INC COM PEP	PEP	7,001	$1.1m0.49%	0.49%	Unchanged
20	SPDR GOLD TR GOLD SHS GLD	GLD	2,359	$1.0m0.46%	0.46%	Unchanged
21	AZZ INC COM AZZ	AZZ	7,000	$875.9k0.39%	0.39%	Unchanged
22	NOVARTIS AG SPONSORED ADR NVS	NVS	5,434	$830.1k0.37%	0.37%	Unchanged
23	EXXON MOBIL CORP COM XOM	XOM	4,722	$801.2k0.36%	0.36%	Unchanged
24	ISHARES GOLD TR ISHARES NEW IAU	IAU	8,664	$763.8k0.34%	0.34%	Reduced -3.4k	-3,386 -28.1%
25	AMAZON COM INC COM AMZN	AMZN	3,659	$762.1k0.34%	0.34%	Reduced -46	-46 -1.2%
26	HANCOCK JOHN TAX-ADVANTAGED COM HTD	HTD	30,487	$755.2k0.34%	0.34%	Reduced -1.4k	-1,406 -4.4%
27	VANGUARD INDEX FDS REAL ESTATE ETF VNQ	VNQ	6,635	$588.5k0.27%	0.27%	Added +803	+803 13.8%
28	VALUED ADVISERS TR REGAN FLTG RATE MBSF	MBSF	20,089	$512.5k0.23%	0.23%	Reduced -217.6k	-217,620 -91.5%
29	NVIDIA CORPORATION COM NVDA	NVDA	2,916	$508.5k0.23%	0.23%	Unchanged
30	CULLEN FROST BANKERS INC COM CFR	CFR	3,699	$507.1k0.23%	0.23%	Reduced -576	-576 -13.5%
31	VANGUARD WORLD FD ENERGY ETF VDE	VDE	2,905	$502.6k0.23%	0.23%	Added +16	+16 0.6%
32	UNION PAC CORP COM UNP	UNP	1,959	$475.3k0.21%	0.21%	Unchanged
33	VANGUARD CHARLOTTE FDS TOTAL INT BD ETF BNDX	BNDX	9,431	$453.2k0.20%	0.20%	Reduced -17	-17 -0.2%
34	SPDR S&P MIDCAP 400 ETF TR UTSER1 S&PDCRP MDY	MDY	730	$450.5k0.20%	0.20%	Reduced -59	-59 -7.5%
35	CONOCOPHILLIPS COM COP	COP	3,294	$434.8k0.20%	0.20%	Added +4	+4 0.1%
36	JANUS DETROIT STR TR HENDERSON SECURI JSI	JSI	7,829	$403.6k0.18%	0.18%	New
37	YUM BRANDS INC COM YUM	YUM	2,384	$370.7k0.17%	0.17%	Unchanged
38	WELLS FARGO CO NEW COM WFC	WFC	4,632	$368.8k0.17%	0.17%	Unchanged
39	BLACKROCK CR ALLOCATION INCO COM BTZ	BTZ	34,928	$352.8k0.16%	0.16%	Reduced -73.2k	-73,239 -67.7%
40	VANECK ETF TRUST PREFERRED SECURT PFXF	PFXF	19,840	$348.0k0.16%	0.16%	Added +6.3k	+6,303 46.6%
41	DIMENSIONAL ETF TRUST US CORE EQUITY 2 DFAC	DFAC	8,410	$326.8k0.15%	0.15%	Unchanged
42	ALPHABET INC CAP STK CL A GOOGL	GOOGL	1,074	$308.9k0.14%	0.14%	Reduced -59	-59 -5.2%
43	ALPHABET INC CAP STK CL C GOOG	GOOG	1,060	$304.1k0.14%	0.14%	Reduced -57	-57 -5.1%
44	CHEVRON CORP NEW COM CVX	CVX	1,335	$276.2k0.12%	0.12%	Unchanged
45	ADVISOR MANAGED PORTFOLIOS REGAN FIXED RATE MBSX	MBSX	9,078	$255.7k0.12%	0.12%	New
46	ISHARES BITCOIN TRUST ETF SHS BEN INT IBIT	IBIT	6,479	$248.9k0.11%	0.11%	Unchanged
47	AGILENT TECHNOLOGIES INC COM A	A	2,160	$246.2k0.11%	0.11%	Reduced -95	-95 -4.2%
48	MARVELL TECHNOLOGY INC COM MRVL	MRVL	2,353	$233.1k0.10%	0.10%	New
49	WELLS FARGO CO NEW PERP PFD CNV A WFC 7.5 PERP L	WFC 7.5 PERP L	201	$232.1k0.10%	0.10%	Added +3	+3 1.5%
50	TESLA INC COM TSLA	TSLA	554	$205.9k0.09%	0.09%	Unchanged
51	NUVEEN PFD & INCOME OPPORTUN COM JPC	JPC	12,256	$92.4k0.04%	0.04%	Reduced -272	-272 -2.2%
52	NEXTDECADE CORP COM NEXT	NEXT	10,000	$76.6k0.03%	0.03%	Unchanged
53	PERMIANVILLE RTY TR TR UNIT PVL	PVL	27,715	$51.3k0.02%	0.02%	Unchanged

Sold out since Q4 2025

Security	Ticker	Shares held before	Value then
VANGUARD INDEX FDS VOO	VOO	3,540	$2.2m3.5k shares
SABA CAPITAL INCOME & OPPORT SABA	SABA	45,969	$379.2k46.0k shares
SPDR SERIES TRUST SPYV	SPYV	4,928	$280.0k4.9k shares
FIRST TR EXCHNG TRADED FD VI FJUL	FJUL	3,598	$201.2k3.6k shares