MVM Partners, LLC — 13F Holdings & Portfolio

CIK 1947083 · latest 13F-HR filed 2026-08-14

MVM Partners, LLC manages $1.9M in 13F-reported U.S. long-equity assets across 1 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are MDXH (100.00%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions and exited 0; 0 existing positions rose in reported value and 1 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
$1.9M

Long-equity book

Holdings
1

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+0 / −0 / ↑0 / ↓1

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26

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 = 100%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Jun 29, 2026.

Address
OLD CITY HALL, 45 SCHOOL STREET
BOSTON, MA 02108
Phone
(617) 383-2101
Name Title / Status Ownership Type
BEDNARSKI, ERIC ControlTREASURER
since Dec 2015
25–50%Individual
MVM (GP) (NO.5A) LIMITED ControlMANAGER
since Dec 2015
Less than 5%Foreign Entity
REEDERS, STEPHEN, THOMAS ControlPRESIDENT
since Dec 2015
25–50%Individual
Cheng, Kevin, XuMEMBER
since Jan 2021
10–25%Individual
Dempsey, Kyle, EdwardMEMBER
since Jan 2021
10–25%Individual
Ownership & leadership changes · 7 filings with changes since Mar 27, 2012

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.

Jun 27, 2025 filing
  • ChangedCheng, Kevin, Xu · ownership 5–10% → 10–25%
Jul 3, 2023 filing
  • No longer listedMVM PARTNERS LLP · PARENT ENTITY · 75% or more · indirect via MVM (GP) (NO.5A) LIMITED · control person · listed since Oct 2006
  • No longer listedREEDERS, STEPHEN, THOMAS · MEMBER · 25–50% · indirect via MVM PARTNERS LLP · control person · listed since Aug 2005
  • ChangedDempsey, Kyle, Edward · ownership 5–10% → 10–25%
  • ChangedREEDERS, STEPHEN, THOMAS · ownership 50–75% → 25–50%
Jun 28, 2021 filing
  • AddedCheng, Kevin, Xu · MEMBER · 5–10%
  • AddedDempsey, Kyle, Edward · MEMBER · 5–10%
Jun 20, 2019 filing
  • No longer listedREEDERS, STEPHEN, THOMAS · MEMBER · 25–50% · indirect via MVM LIFE SCIENCE PARTNERS LLP · control person · listed since Aug 2005
  • AddedREEDERS, STEPHEN, THOMAS · MEMBER · 25–50% · indirect via MVM PARTNERS LLP · control person
Jun 27, 2018 filing
  • No longer listedMVM (CIP) (NO.3) LIMITED · MANAGER · Less than 5% · control person · listed since Dec 2015
  • No longer listedMVM LIFE SCIENCE PARTNERS · PARENT ENTITY · 75% or more · indirect via MVM (CIP) (NO.3) LIMITED · control person · listed since Oct 2006
  • AddedMVM (GP) (NO.5A) LIMITED · MANAGER · Less than 5% · control person
  • AddedMVM PARTNERS LLP · PARENT ENTITY · 75% or more · indirect via MVM (GP) (NO.5A) LIMITED · control person
Jan 7, 2016 filing
  • No longer listedMVM LIFE SCIENCE PARTNERS · SHAREHOLDER · 75% or more · control person · listed since Dec 2005
  • AddedMVM (CIP) (NO.3) LIMITED · MANAGER · Less than 5% · control person
  • AddedMVM LIFE SCIENCE PARTNERS · PARENT ENTITY · 75% or more · indirect via MVM (CIP) (NO.3) LIMITED · control person
  • ChangedBEDNARSKI, ERIC · title SECRETARY → TREASURER; ownership Less than 5% → 25–50%
  • ChangedREEDERS, STEPHEN, THOMAS · ownership Less than 5% → 50–75%
May 25, 2012 filing
  • No longer listedMURPHY, MARTIN, PATRICK · MEMBER · 25–50% · indirect via MVM LIFE SCIENCE PARTNERS LLP · control person · listed since Feb 2005
Mar 27, 2012 filing (earliest on record)
  • ListedBEDNARSKI, ERIC · SECRETARY · Less than 5% · control person
  • ListedMURPHY, MARTIN, PATRICK · MEMBER · 25–50% · indirect via MVM LIFE SCIENCE PARTNERS LLP · control person
  • ListedMVM LIFE SCIENCE PARTNERS · SHAREHOLDER · 75% or more · control person
  • ListedREEDERS, STEPHEN, THOMAS · PRESIDENT · Less than 5% · control person
  • ListedREEDERS, STEPHEN, THOMAS · MEMBER · 25–50% · indirect via MVM LIFE SCIENCE PARTNERS LLP · 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)

  • No increased positions.
Show all 0 →

Top Trims

Show all 1 →

New Positions

  • No new positions this quarter.
Show all 0 →

Exited Positions

  • No exits this quarter.
Show all 0 →

MVM 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 MDXHealth SA MDXH B5950S113 $1.9M 100.00% 4,700,457 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $1.9M 1 0001104659-26-097111
2026-03-31 2026-05-15 $10.8M 1 0001104659-26-062485
2025-12-31 2026-02-17 $16.8M 1 0001104659-26-016420
2025-09-30 2025-11-14 $21.8M 1 0001104659-25-112527
Filer Information
Address
OLD CITY HALL
45 SCHOOL STREET
BOSTON, MA 02108
Phone
(617) 383-2101
Filing Manager
MVM Partners, LLC
BOSTON, MA
Signatory
Eric Bednarski
Vice President