Top Institutional Investors

Keystone Wealth Services, LLC — 13F Holdings & Portfolio

CIK 1866189 · latest 13F-HR filed 2026-08-05

Backtest portfolio

Keystone Wealth Services, LLC manages $538.6M in 13F-reported U.S. long-equity assets across 327 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are IVV (5.75%), AAPL (4.05%), QQQ (3.08%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 40 new positions and exited 7; 177 existing positions rose in reported value and 43 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
$538.6M

Long-equity book

Holdings
327

Distinct positions

Period
2026-06-30

Filed 2026-08-05

Q/Q Activity
+40 / −7 / ↑177 / ↓43

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
IVV5.8% · +1%AAPL4.1% · +0%QQQ3.1% · +2%NVDA2.8% · +2%SPY2.2% · -2%STX2.0% · -19%FJUN2.0% · -0%FBCG1.8% · +12%MSFT1.8% · +1%FMAY1.7% · -0%VOO1.7% · +6%FBND1.5% · +3%COST1.3% · -1%CVX1.3% · -0%DYNF1.2% · +3%AMD1.2% · +5%XOM1.1% · +0%FMAR1.1% · +2%COP1.0% · 0%BUFR1.0% · +18%VIG1.0% · +3%AMZN1.0% · +6%FSEP1.0% · -1%ESGU0.9% · -1%FIXD0.9% · +5%IVW0.9% · +6%QQQM0.8% · +37%FQAL0.8% · +4%MU0.8% · +2%IGEB0.8% · +6%FNDF0.8% · +7%FFEB0.7% · -0%FJUL0.7% · -8%CGBL0.7% · +98%SCHZ0.7% · +10%BUFQ0.6% · +83%QUAL0.6% · -1%FDEC0.6% · -5%VGUS0.6% · -9%JGRO0.6% · -10%IYW0.6% · +0%WFC0.6% · -0%PSI0.5% · +230%FJAN0.5% · -2%TSLA0.5% · -1%FAUG0.5% · -1%GOOGL0.5% · +10%FEX0.5% · 0%JPM0.5% · +3%PAUG0.5% · -6%QSPT0.5% · -0%PSX0.5% · +1%IEMG0.5% · +5%NET0.5% · +15%FNOV0.5% · -2%TT0.5% · -0%BRK.B0.5% · -1%PNOV0.4% · -8%BAI0.4% · +12%FTSM0.4% · -3%

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 = 27.2%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Aug 6, 2026.

Assets Under Management
$860.7M
Discretionary
$804.3M
Employees
11
Accounts
1,542
Address
73575 EL PASEO
SUITE 2300
PALM DESERT, CA 92260
Phone
(760) 818-7020
Website
Name Title / Status Ownership Type
LAMM, SHATTUCK, FRANKLIN ControlMANAGING MEMBER & CHIEF COMPLIANCE OFFICER
since Feb 2019
25–50%Individual
THATCHER, MARK, WILLIAM ControlMANAGING MEMBER
since Feb 2019
25–50%Individual
Ownership & leadership changes · 1 filing with changes since May 13, 2021

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Jan 25, 2024 filing
  • ChangedLAMM, SHATTUCK, FRANKLIN · ownership 50–75% → 25–50%
  • ChangedTHATCHER, MARK, WILLIAM · ownership 50–75% → 25–50%
May 13, 2021 filing (earliest on record)
  • ListedLAMM, SHATTUCK, FRANKLIN · MANAGING MEMBER & CHIEF COMPLIANCE OFFICER · 50–75% · control person
  • ListedTHATCHER, MARK, WILLIAM · MANAGING MEMBER · 50–75% · control person

Quarter-over-quarter changes

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

Keystone Wealth Services, 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 ISHARES TR IVV 464287200 $31.0M 5.75% 41,372 SH
2 APPLE INC AAPL 037833100 $21.8M 4.05% 75,463 SH
3 INVESCO QQQ TR QQQ 46090E103 $16.6M 3.08% 22,491 SH
4 NVIDIA CORPORATION NVDA 67066G104 $15.3M 2.84% 76,326 SH
5 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $11.7M 2.16% 15,615 SH
6 SEAGATE TECHNOLOGY HLDNGS PL STX G7997R103 $10.8M 2.00% 11,172 SH
7 FIRST TR EXCHNG TRADED FD VI FJUN 33740F722 $10.6M 1.96% 176,510 SH
8 FIDELITY COVINGTON TRUST FBCG 316092352 $9.9M 1.84% 159,708 SH
9 MICROSOFT CORP MSFT 594918104 $9.6M 1.79% 25,777 SH
10 FIRST TR EXCHNG TRADED FD VI FMAY 33740F748 $9.3M 1.73% 166,081 SH
11 VANGUARD INDEX FDS VOO 922908363 $9.2M 1.70% 13,366 SH
12 FIDELITY MERRIMACK STR TR FBND 316188309 $8.3M 1.54% 182,832 SH
13 COSTCO WHOLESALE CORPORATION COST 22160K105 $7.2M 1.33% 7,675 SH
14 CHEVRON CORPORATION CVX 166764100 $6.9M 1.28% 41,526 SH
15 BLACKROCK ETF TRUST DYNF 09290C103 $6.7M 1.24% 98,098 SH
16 ADVANCED MICRO DEVICES INC AMD 007903107 $6.3M 1.18% 10,911 SH
17 EXXON MOBIL CORP XOM 30231G102 $6.1M 1.14% 44,949 SH
18 FIRST TR EXCHNG TRADED FD VI FMAR 33740F599 $5.7M 1.06% 109,667 SH
19 CONOCOPHILLIPS COP 20825C104 $5.6M 1.04% 54,113 SH
20 FIRST TR EXCHNG TRADED FD VI BUFR 33740F755 $5.5M 1.01% 149,548 SH
21 VANGUARD SPECIALIZED FUNDS VIG 921908844 $5.4M 1.00% 22,691 SH
22 AMAZON COM INC AMZN 023135106 $5.3M 0.98% 22,048 SH
23 FIRST TR EXCHNG TRADED FD VI FSEP 33740U307 $5.1M 0.96% 93,482 SH
24 ISHARES TR ESGU 46435G425 $5.0M 0.92% 30,347 SH
25 FIRST TR EXCHNG TRADED FD VI FIXD 33740F805 $4.7M 0.88% 108,343 SH
26 ISHARES TR IVW 464287309 $4.7M 0.88% 34,315 SH
27 INVESCO EXCH TRADED FD TR II QQQM 46138G649 $4.4M 0.82% 14,645 SH
28 FIDELITY COVINGTON TRUST FQAL 316092790 $4.4M 0.81% 53,922 SH
29 MICRON TECHNOLOGY INC MU 595112103 $4.2M 0.78% 3,662 SH
30 ISHARES TR IGEB 46435G219 $4.1M 0.77% 91,376 SH
31 SCHWAB STRATEGIC TR FNDF 808524755 $4.0M 0.75% 76,471 SH
32 FIRST TR EXCHNG TRADED FD VI FFEB 33740F763 $4.0M 0.75% 66,104 SH
33 FIRST TR EXCHNG TRADED FD VI FJUL 33740U208 $3.6M 0.67% 61,006 SH
34 CAPITAL GROUP CORE BALANCED CGBL 14021D107 $3.6M 0.67% 94,853 SH
35 SCHWAB STRATEGIC TR SCHZ 808524839 $3.5M 0.66% 153,401 SH
36 FIRST TR EXCHNG TRADED FD VI BUFQ 33740U752 $3.4M 0.64% 87,497 SH
37 ISHARES TR QUAL 46432F339 $3.4M 0.63% 15,525 SH
38 FIRST TR EXCHNG TRADED FD VI FDEC 33740U505 $3.2M 0.60% 59,007 SH
39 VANGUARD INSTL INDEX FD VGUS 922040852 $3.2M 0.60% 42,476 SH
40 J P MORGAN EXCHANGE TRADED F JGRO 46654Q609 $3.0M 0.57% 30,880 SH
41 ISHARES TR IYW 464287721 $3.0M 0.56% 11,984 SH
42 WELLS FARGO & CO WFC 949746101 $3.0M 0.56% 36,339 SH
43 INVESCO EXCHANGE TRADED FD T PSI 46137V647 $3.0M 0.55% 15,719 SH
44 FIRST TR EXCHNG TRADED FD VI FJAN 33740F623 $2.9M 0.54% 53,052 SH
45 TESLA INC TSLA 88160R101 $2.9M 0.54% 6,942 SH
46 FIRST TR EXCHNG TRADED FD VI FAUG 33740F862 $2.9M 0.53% 50,759 SH
47 ALPHABET INC GOOGL 02079K305 $2.8M 0.53% 7,962 SH
48 FIRST TR EXCHANGE-TRADED ALP FEX 33734K109 $2.8M 0.52% 20,181 SH
49 JPMORGAN CHASE & CO JPM 46625H100 $2.8M 0.51% 8,437 SH
50 INNOVATOR ETFS TRUST PAUG 45782C680 $2.7M 0.51% 60,091 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-05 $538.6M 327 0001866189-26-000005
2026-03-31 2026-05-13 $467.7M 294 0001866189-26-000003
2025-12-31 2026-01-26 $474.6M 298 0001866189-26-000002
2025-09-30 2025-10-22 $458.4M 294 0001866189-25-000003
Filer Information
Address
73575 EL PASEO
SUITE 2300
PALM DESERT, CA 92260
Phone
(760) 818-7020
Filing Manager
Keystone Wealth Services, LLC
PALM DESERT, CA
Signatory
Shattuck Lamm
Managing Member & Chief Compliance Officer