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MLP3, LLC — 13F Holdings & Portfolio

CIK 2109061 · latest 13F-HR filed 2026-10-16

Backtest portfolio

MLP3, LLC manages $102.8M in 13F-reported U.S. long-equity assets across 90 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are BRK.B (14.46%), RSP (6.41%), SPYM (5.79%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 9 new positions and exited 5; 51 existing positions rose in reported value and 8 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
$102.8M

Long-equity book

Holdings
90

Distinct positions

Period
2026-06-30

Filed 2026-10-16

Q/Q Activity
+9 / −5 / ↑51 / ↓8

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
BRK.B14.5% · +1%RSP6.4% · +4%SPYM5.8% · +4%SPY3.7% · +1%COF3.3% · -0%IUSG3.1% · -1%DIA3.0% · +5%NOBL2.9% · +125%IJH2.9% · +1%AAPL2.7% · -3%IWM2.6% · +1%AMZN2.0% · -0%GOOG2.0% · -5%JEPI1.8% · -2%DGRO1.8% · +17%SDY1.7% · 0%DVY1.6% · 0%SOFI1.6% · +19%JPM1.6% · +0%IJR1.5% · -0%REGL1.5% · -0%IUSV1.3% · -0%AEP1.3% · -2%OPRA1.2% · +1%VYM1.1% · +29%IDU1.0% · +0%XMAG1.0% · +24%C0.9% · -3%ITW0.8% · -14%IMCG0.8% · 0%BRK.A0.7% · 0%JNJ0.7% · -2%IOO0.7% · 0%MKL0.6% · +2%PANW0.6% · 0%ABBV0.6% · +0%PNC0.6% · +0%IWO0.6% · -2%IWF0.6% · +284%GOOGL0.5% · 0%XLI0.5% · 0%MSFT0.5% · -14%GE0.5% · +0%IBDV0.5% · +11%GLD0.5% · 0%AIVL0.5% · 0%VO0.5% · +300%KO0.5% · -4%AFL0.5% · +0%NU0.4% · +27%SPYG0.4% · +41%MDY0.4% · +0%GEV0.4% · 0%ILCG0.4% · newSYF0.4% · +0%JOET0.4% · -4%XLP0.4% · -3%VPU0.4% · 0%IJK0.4% · -4%XOM0.4% · +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

3 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 = 48.3%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Mar 3, 2026.

Assets Under Management
$248.1M
Discretionary
$248.1M
Employees
5
Accounts
328
Address
650 NEW ROAD
SUITE B
LINWOOD, NJ 08221
Phone
(609) 601-0800
Website
Name Title / Status Ownership Type
CHAMBERLAIN, TODD, CHRISTOPHER ControlMANAGING MEMBER
since Feb 2018
Less than 5%Individual
HOUSEL, RACHEL, EILEEN ControlCHIEF COMPLIANCE OFFICER
since Apr 2018
Less than 5%Individual
TSCAPS IRREVOCABLE TRUST ControlOWNER
since Jun 2017
Less than 5%Domestic Entity
WATERWAY HOLDINGS GROUP LP ControlOWNER
since Jan 2023
75% or moreDomestic Entity
CHAMBERLAIN, SARAH, ELIZABETH Control
Indirect owner via TSCAPS IRREVOCABLE TRUST
TRUSTEE
since Jun 2017
75% or moreIndividual
CHAMBERLAIN, TODD, CHRISTOPHER Control
Indirect owner via TODD C CHAMBERLAIN REVOCABLE TRUST
TRUSTEE
since Apr 2018
75% or moreIndividual
TODD C CHAMBERLAIN REVOCABLE TRUST Control
Indirect owner via WATERWAY HOLDINGS GROUP LP
OWNER
since Jan 2024
75% or moreDomestic Entity
Ownership & leadership changes · 3 filings with changes since Jun 25, 2018

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.

Mar 7, 2025 filing
  • AddedCHAMBERLAIN, TODD, CHRISTOPHER · TRUSTEE · 75% or more · indirect via TODD C CHAMBERLAIN REVOCABLE TRUST · control person
  • AddedTODD C CHAMBERLAIN REVOCABLE TRUST · OWNER · 75% or more · indirect via WATERWAY HOLDINGS GROUP LP · control person
Mar 4, 2025 filing
  • AddedWATERWAY HOLDINGS GROUP LP · OWNER · 75% or more · control person
  • ChangedTSCAPS IRREVOCABLE TRUST · ownership 75% or more → Less than 5%
Mar 31, 2023 filing
  • No longer listedMACK, JACOB, R. · MANAGING MEMBER · 25–50% · control person · listed since Feb 2018
Jun 25, 2018 filing (earliest on record)
  • ListedCHAMBERLAIN, SARAH, ELIZABETH · TRUSTEE · 75% or more · indirect via TSCAPS IRREVOCABLE TRUST · control person
  • ListedCHAMBERLAIN, TODD, CHRISTOPHER · MANAGING MEMBER · Less than 5% · control person
  • ListedHOUSEL, RACHEL, EILEEN · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • ListedMACK, JACOB, R. · MANAGING MEMBER · 25–50% · control person
  • ListedTSCAPS IRREVOCABLE TRUST · OWNER · 75% or more · 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.

Top Adds (vs prior quarter)

Show all 51 →

Top Trims

Show all 8 →

New Positions

Show all 9 →

Exited Positions

Show all 5 →

MLP3, 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 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $14.9M 14.46% 29,685 SH
2 INVESCO EXCHANGE TRADED FD T RSP 46137V357 $6.6M 6.41% 30,937 SH
3 SPDR SERIES TRUST SPYM 78464A854 $5.9M 5.79% 67,644 SH
4 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $3.8M 3.65% 5,024 SH
5 CAPITAL ONE FINL CORP COF 14040H105 $3.4M 3.35% 17,135 SH
6 ISHARES TR IUSG 464287671 $3.2M 3.13% 17,125 SH
7 STATE STR SPDR DOW JONES IND DIA 78467X109 $3.1M 3.02% 5,942 SH
8 PROSHARES TR NOBL 74348A467 $3.0M 2.93% 53,541 SH
9 ISHARES TR IJH 464287507 $3.0M 2.90% 38,698 SH
10 APPLE INC AAPL 037833100 $2.7M 2.67% 9,466 SH
11 ISHARES TR IWM 464287655 $2.7M 2.60% 8,877 SH
12 AMAZON COM INC AMZN 023135106 $2.1M 2.05% 8,818 SH
13 ALPHABET INC GOOG 02079K107 $2.1M 2.02% 5,877 SH
14 J P MORGAN EXCHANGE TRADED F JEPI 46641Q332 $1.9M 1.83% 33,271 SH
15 ISHARES TR DGRO 46434V621 $1.8M 1.75% 23,792 SH
16 SPDR SERIES TRUST SDY 78464A763 $1.7M 1.65% 11,148 SH
17 ISHARES TR DVY 464287168 $1.7M 1.64% 10,785 SH
18 SOFI TECHNOLOGIES INC SOFI 83406F102 $1.7M 1.63% 93,240 SH
19 JPMORGAN CHASE & CO JPM 46625H100 $1.6M 1.58% 4,964 SH
20 ISHARES TR IJR 464287804 $1.6M 1.53% 10,610 SH
21 PROSHARES TR REGL 74347B680 $1.5M 1.47% 16,504 SH
22 ISHARES TR IUSV 464287663 $1.4M 1.32% 12,312 SH
23 AMERICAN ELEC PWR CO INC AEP 025537101 $1.3M 1.27% 9,571 SH
24 OPERA LTD OPRA 68373M107 $1.2M 1.18% 61,154 SH
25 VANGUARD WHITEHALL FDS VYM 921946406 $1.1M 1.08% 7,005 SH
26 ISHARES TR IDU 464287697 $1.1M 1.04% 9,284 SH
27 TIDAL TRUST II XMAG 88636R743 $1.1M 1.03% 40,772 SH
28 CITIGROUP INC C 172967424 $910.5K 0.89% 6,506 SH
29 ILLINOIS TOOL WKS INC ITW 452308109 $823.3K 0.80% 3,044 SH
30 ISHARES TR IMCG 464288307 $801.1K 0.78% 8,150 SH
31 BERKSHIRE HATHAWAY INC DEL BRK.A 084670108 $748.9K 0.73% 1 SH
32 JOHNSON & JOHNSON JNJ 478160104 $723.4K 0.70% 2,848 SH
33 ISHARES TR IOO 464287572 $681.9K 0.66% 4,992 SH
34 MARKEL GROUP INC MKL 570535104 $662.1K 0.64% 339 SH
35 PALO ALTO NETWORKS INC PANW 697435105 $655.4K 0.64% 1,922 SH
36 ABBVIE INC ABBV 00287Y109 $652.8K 0.64% 2,594 SH
37 PNC FINL SVCS GROUP INC PNC 693475105 $645.8K 0.63% 2,623 SH
38 ISHARES TR IWO 464287648 $635.8K 0.62% 1,614 SH
39 ISHARES TR IWF 464287614 $590.6K 0.57% 4,757 SH
40 ALPHABET INC GOOGL 02079K305 $546.2K 0.53% 1,528 SH
41 SELECT SECTOR SPDR TR XLI 81369Y704 $526.3K 0.51% 2,841 SH
42 MICROSOFT CORP MSFT 594918104 $526.2K 0.51% 1,411 SH
43 GE AEROSPACE GE 369604301 $523.9K 0.51% 1,402 SH
44 ISHARES TR IBDV 46436E726 $504.6K 0.49% 23,145 SH
45 SPDR GOLD TR GLD 78463V107 $499.2K 0.49% 1,355 SH
46 WISDOMTREE TR AIVL 97717W406 $493.3K 0.48% 3,762 SH
47 VANGUARD INDEX FDS VO 922908629 $481.8K 0.47% 5,980 SH
48 COCA COLA CO KO 191216100 $469.3K 0.46% 5,774 SH
49 AFLAC INC AFL 001055102 $468.5K 0.46% 3,996 SH
50 NU HLDGS LTD NU G6683N103 $451.0K 0.44% 33,760 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-10-16 $102.8M 90 0002109061-26-000004
2026-03-31 2026-04-13 $90.7M 86 0002109061-26-000002
2025-12-31 2026-02-13 $91.6M 87 0002109061-26-000001
Filer Information
Address
650 NEW ROAD, SUITE B
LINWOOD, NJ 08221
Phone
(609) 601-0800
Filing Manager
MLP3, LLC
LINWOOD, NJ
Signatory
Rachel Housel
Chief Compliance Officer