Institutional Manager · CIK 0001910000

CARDIFF PARK ADVISORS, LLC

SAN MARCOS, CA · File #028-22213

Latest AUM

$1.22B

Positions

347

Top-10 Concentration

63.2%

Filings

Portfolio Value Over Time

2024-03

2024-06

2024-09

2024-12

2025-03

2025-06

2025-09

2025-12

Biggest QoQ Changes

Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.

Action	Issuer	Ticker / CUSIP	Δ Shares	Flow ($)	Price Effect
EXITED	VANGUARD INDEX FDS	922908363	-69,335	-$42.5M	$0
EXITED	SPDR GOLD TR	78463V107	-31,709	-$11.3M	$0
EXITED	INVESCO QQQ TR	46090E103	-14,031	-$8.4M	$0
REDUCE	DIMENSIONAL ETF TRUST	25434V708	-142,309	-$5.6M	+$4.2M
REDUCE	DIMENSIONAL ETF TRUST	25434V401	-54,968	-$4.1M	+$594,880
ADD	NETFLIX INC	NFLX	+31,487	+$3.0M	-$3.9M
REDUCE	DIMENSIONAL ETF TRUST	25434V724	-61,631	-$2.9M	+$1.4M
ADD	VANGUARD STAR FDS	921909768	+31,146	+$2.3M	+$328,849
REDUCE	DIMENSIONAL ETF TRUST	25434V880	-57,863	-$1.9M	+$1.7M
ADD	BERKSHIRE HATHAWAY INC DEL	BRK-A	+3,192	+$1.6M	-$1,362

Sector Allocation

Communication Services

10.3%$124.9M

Technology

6.1%$74.3M

Consumer Discretionary

1.4%$16.8M

1.3%$16.0M

0.9%$11.2M

0.8%$9.6M

0.7%$8.0M

0.6%$6.7M

0.2%$2.5M

Filing History

Feb 17, 202613F HOLDINGS REPORTQ/E Dec 2025347 pos · $1.22B
Nov 14, 202513F HOLDINGS REPORTQ/E Sep 2025381 pos · $1.30B
Aug 14, 202513F HOLDINGS REPORTQ/E Jun 2025353 pos · $1.16B
May 15, 202513F HOLDINGS REPORTQ/E Mar 2025347 pos · $1.04B
Feb 14, 202513F HOLDINGS REPORTQ/E Dec 2024339 pos · $1.05B
Nov 14, 202413F HOLDINGS REPORTQ/E Sep 2024340 pos · $1.12B
Aug 14, 202413F HOLDINGS REPORTQ/E Jun 2024331 pos · $1.04B
May 14, 202413F HOLDINGS REPORTQ/E Mar 2024349 pos · $1.06B
Nov 13, 202313F HOLDINGS REPORTQ/E Dec 2023307 pos · $792.3M

Top 20 Holdings — Dec 2025

#	Issuer	Ticker	Shares	Value	% of Portfolio
1	DIMENSIONAL ETF TRUST	25434V708	3,965,406	$157.0M	15.43%
2	VANGUARD INDEX FDS	922908769	464,488	$155.7M	15.31%
3	META PLATFORMS INC	META	181,954	$120.1M	11.81%
4	DIMENSIONAL ETF TRUST	25434V880	1,167,549	$38.2M	3.76%
5	SPDR S&P 500 ETF TR	SPY	49,987	$34.1M	3.35%
6	DIMENSIONAL ETF TRUST	25434V724	680,592	$31.7M	3.12%
7	APPLE INC	AAPL	113,426	$30.8M	3.03%
8	VANGUARD TAX-MANAGED FDS	921943858	442,922	$27.7M	2.72%
9	AMERICAN CENTY ETF TR	025072703	324,313	$26.7M	2.62%
10	DIMENSIONAL ETF TRUST	25434V401	288,861	$21.4M	2.11%
11	AMERICAN CENTY ETF TR	025072885	176,978	$19.8M	1.94%
12	DIMENSIONAL ETF TRUST	25434V609	305,774	$18.2M	1.79%
13	OKLO INC	OKLO	223,340	$16.0M	1.58%
14	VANGUARD STAR FDS	921909768	197,205	$14.9M	1.46%
15	DIMENSIONAL ETF TRUST	25434V732	422,874	$14.0M	1.37%
16	ALPHABET INC	GOOG	43,205	$13.6M	1.33%
17	DIMENSIONAL ETF TRUST	25434V781	345,213	$13.1M	1.29%
18	VANGUARD MUN BD FDS	922907746	252,425	$12.7M	1.25%
19	DIMENSIONAL ETF TRUST	25434V815	383,489	$12.6M	1.24%
20	VANGUARD INDEX FDS	922908736	25,305	$12.3M	1.21%