Q2 2026 13F · SEC CIK 826000

Potomac Fund Management Inc /adv

Asset managerFiled 2026-08-13 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $4.0B
Reported positions: 109
Holdings vs S&P 500, 3 yrs: —
Average holding period: 2 qtrs

Potomac Fund Management Inc /adv is an asset manager that reported 109 positions worth $4.0B in its Q2 2026 13F, filed 2026-08-13. Its largest holdings were Ishares Core S&p 500 ETF (IVV, 66.9%), Bondbloxx ETF Trust (XHLF, 9.9%), Spdr Series Trust (SPLG, 3.5%).

Potomac Fund Management Inc /adv holdings largest 50 of 109 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

Potomac Fund Management Inc /adv 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
IVVIshares Core S&p 500 ETF	66.9%	68.4%	3,546,980	+17.6%	$2.7B
XHLFBondbloxx ETF Trust	9.9%	11.2%	7,802,882	+21.6%	$392.5M
SPLGSpdr Series Trust	3.5%	0.1%	1,565,618	+5039.6%	$137.6M
SGOViShares 0-3 Month Treasury Bon	2.1%	3.2%	816,856	-9.8%	$82.2M
66538H591Northern Lts Fd Tr IV	1.5%	1.7%	845,221	+1.5%	$60.9M
XCCCBondbloxxcccusd Hy Corp Bd	1.5%	—	1,624,900	—	$59.4M
XBBBondbloxx ETF Trust	1.4%	—	1,342,400	—	$55.0M
VWOBVanguard Whitehall Fds	0.8%	—	446,500	—	$30.0M
UUPInvesco Db US Dlr Index Tr	0.8%	1.0%	1,055,200	+4.7%	$30.0M
FALNIshares Tr	0.8%	—	1,098,300	—	$29.9M
XEMDBondbloxx ETF Trust	0.8%	—	662,900	—	$29.8M
ROEEa Series Trust	0.7%	0.8%	657,300	-3.6%	$28.0M
VTIVanguard Index Fds	0.7%	—	75,720	—	$28.0M
DGRWWisdomTree US Quality Dividend Gr ETF To	0.7%	—	290,900	—	$27.8M
CWBSpdr Series Trust	0.7%	—	257,100	—	$27.7M
DXJWisdomtree Tr	0.7%	0.9%	159,700	+0.5%	$27.7M
SMHVaneck Semiconductor ETF	0.6%	0.5%	39,080	-5.1%	$25.6M
IWOIshares Russell 2000 Growth ETF	0.6%	—	61,560	—	$24.3M
IWMIshares	0.6%	—	79,800	—	$24.0M
PDBCInvesco Actvely Mngd Etc Fd	0.6%	1.0%	1,504,900	-10.6%	$23.9M
XMEState Street Spdr S&p Metals & Mining Et	0.6%	0.5%	221,400	+53.3%	$23.7M
SILGlobal X Fds	0.6%	0.6%	305,400	+70.4%	$23.7M
XLEState Street Energy Select Sector Spdr E	0.6%	0.5%	444,100	+84.8%	$23.6M
BUYWNorthern Lts Fd Tr IV	0.3%	0.3%	792,716	+11.1%	$11.5M
EDGFAdvisors Inner Circle Fd II	0.1%	0.3%	233,683	-27.1%	$5.8M
EDGUAdvisors Inner Circle Fd II	0.1%	0.1%	129,472	+115.3%	$4.1M
TMATNorthern Lts Fd Tr IV	0.1%	0.1%	102,836	-1.2%	$3.2M
EDGHAdvisors Inner Circle Fd II	0.1%	0.1%	82,450	+4.7%	$2.6M
MSFTMicrosoft Corp	0.1%	0.1%	6,294	-0.8%	$2.3M
JPMJpmorgan Chase & Co	0.1%	0.1%	6,946	-0.7%	$2.3M
EDGIAdvisors Inner Circle Fd II	0.1%	—	71,594	—	$2.2M
WFCWells Fargo Co New	0.1%	0.1%	24,995	+1.0%	$2.1M
SHELShell PLC	0.1%	0.1%	26,621	-0.9%	$2.1M
GILDGilead Sciences	0.1%	0.1%	16,241	+0.2%	$2.1M
ADIAnalog Devices Inc	0.1%	0.1%	4,995	+9.7%	$2.0M
AZNAstrazeneca PLC Ord	0.1%	0.1%	10,398	+0.0%	$2.0M
LHXL3harris Technologies Inc	0.0%	0.1%	6,674	-0.1%	$1.9M
QQnity Electronics Inc	0.0%	0.0%	11,524	-1.2%	$1.9M
HDHome Depot Inc Com	0.0%	0.1%	5,238	+3.5%	$1.8M
PGProcter & Gamble Co Com	0.0%	0.1%	12,022	+2.7%	$1.8M
MCDMcdonalds Corp Com	0.0%	0.1%	6,392	+3.6%	$1.7M
PNCPnc Finl Svcs Group Inc	0.0%	0.1%	6,802	-2.0%	$1.7M
BACBank of Amer Corp	0.0%	0.0%	27,519	-0.3%	$1.6M
ABTAbbott Laboratories	0.0%	0.1%	16,944	+9.3%	$1.5M
AJGGallagher Arthur J & Co	0.0%	0.0%	6,560	+2.8%	$1.5M
EQIXEquinix Inc	0.0%	0.0%	1,375	-2.3%	$1.4M
NTESNetEase Inc	0.0%	—	10,194	—	$1.3M
COPConocophillips	0.0%	0.1%	11,742	-0.2%	$1.2M
CMCSAComcast Corp New	0.0%	0.1%	49,643	-8.1%	$1.2M
AGGIshares Tr	0.0%	—	11,840	—	$1.2M

What Potomac Fund Management Inc /adv bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +16.0% /yr; S&P 500 +22.0%
3 years: —
5 years: —

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$4.0B	109
Q1 2026	$2.9B	105
Q4 2025	$2.7B	108
Q3 2025	$2.4B	103
Q2 2025	$1.7B	97

Questions about Potomac Fund Management Inc /adv's portfolio

What stocks does Potomac Fund Management Inc /adv own?

Potomac Fund Management Inc /adv's latest 13F, for Q2 2026 and filed Aug 13, 2026, lists 109 positions worth $4.0B. The largest are Ishares Core S&p 500 ETF (IVV) at 66.9%, Bondbloxx ETF Trust (XHLF) at 9.9%, Spdr Series Trust (SPLG) at 3.5%, iShares 0-3 Month Treasury Bon (SGOV) at 2.1% and Northern Lts Fd Tr IV at 1.5%.

What did Potomac Fund Management Inc /adv buy last quarter?

In Q2 2026, Potomac Fund Management Inc /adv added Spdr Series Trust (SPLG) (+5039.6% shares), Advisors Inner Circle Fd II (EDGU) (+115.3% shares) and State Street Energy Select Sector Spdr E (XLE) (+84.8% shares), compared with its Q1 2026 filing.

What did Potomac Fund Management Inc /adv sell last quarter?

In Q2 2026, Potomac Fund Management Inc /adv cut from its top 50 Litman Gregory Fds Tr (DBMF), cut from its top 50 Kraneshares Mount Lucas Mgd Futr Indx St (KMLM), cut from its top 50 Select Sector Spdr Tr (XLV), cut from its top 50 State Street Consumer Staples Select Sec (XLP), cut from its top 50 Vanguard Health Care ETF (VHT), Advisors Inner Circle Fd II (EDGF) (-27.1% shares), Invesco Actvely Mngd Etc Fd (PDBC) (-10.6% shares) and iShares 0-3 Month Treasury Bon (SGOV) (-9.8% shares), compared with its Q1 2026 filing.

When is Potomac Fund Management Inc /adv's next 13F filing due?

13F filings are due 45 days after each quarter ends. Potomac Fund Management Inc /adv's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.