DOSSIER · 13F-HR · Q1 2026

POTOMAC FUND MANAGEMENT INC /ADV

$2.9B in tracked AUM across 105 positions as of Q1 2026.

PF
CIK 0000826000 · last filed Mar 31, 2026
Total AUM
$2.9B
as of Q1 2026
Holdings
105
positions
Whale Score
71
71
strong
Activity
no data
changes this Q
AI Analysis · Q1 2026
Comprehensive SEC 13F Analysis: Potomac Fund Management Inc.

Report Period: Q3 2025 (Ending September 30, 2025)

1. Portfolio Overview

Potomac Fund Management Inc. reported a significant expansion in assets during Q3 2025, with the total portfolio value growing by 36.9% quarter-over-quarter, rising from approximately $954 million to $1.31 billion. This growth is attributable to a combination of market appreciation and substantial capital inflows, evidenced by the high volume of new posi...

The portfolio consists of 54 holdings, displaying a highly concentrated structure with a distinct barbell strategy. The top three positions account for approximately 70% of the total portfolio value. The investment approach is characterized by a heavy reliance on leveraged and inverse exchange-traded funds (ETFs) to execute tactical views on interest rates and equity markets, rather than traditional stock selection. The firm utilizes a "core-satellite" approach where the core is comprised of duration-targeted Treasury ETFs and leveraged equity exposure, while the satellites include niche fixed-income strategies and specific thematic equity plays.

2. Key Holdings

The portfolio is dominated by three massive positions that dictate the fund's risk and return profile:

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
IVV
ISHARES TR
$2.0B3.0M68.4%
02
XHLF
BONDBLOXX ETF TRUST
$323M6.4M11.2%
03
SGOV
ISHARES TR
$91M906K3.2%
04
SECT
NORTHERN LTS FD TR IV
$50M832K1.7%
05
PDBC
INVESCO ACTVELY MNGD ETC FD
$29M1.7M1.0%
06
DBMF
LITMAN GREGORY FDS TR
$28M945K1.0%
07
KMLM
KRANESHARES TRUST
$28M995K1.0%
08
UUP
INVESCO DB US DLR INDEX TR
$28M1.0M1.0%
09
DXJ
WISDOMTREE TR
$25M159K0.9%
10
XLV
SELECT SECTOR SPDR TR
$25M172K0.9%

Filing history

2026Q1Mar 31
$2.9B 6.1%
105 positionsView →
2025Q4Dec 31
$2.7B 107.8%
108 positionsView →
2025Q3Sep 30
$1.3B 36.9%
54 positionsView →
2025Q2Jun 30
$954M 755.2%
41 positionsLocked
2025Q1Mar 31
$112M 83.8%
32 positionsLocked
2024Q4Dec 31
$690M
45 positionsLocked