Institutional Manager · CIK 0001587192

Blume Capital Management, Inc.

BERKELEY, CA · File #028-15990

Latest AUM

$549.7M

Positions

332

Top-10 Concentration

38.7%

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
NEW	VANGUARD INSTL INDEX FD	922040845	+155,272	+$11.7M	$0
REDUCE	BONDBLOXX ETF TRUST	09789C788	-188,030	-$9.4M	-$40,872
ADD	J P MORGAN EXCHANGE TRADED F	46641Q670	+167,526	+$7.9M	-$10,210
REDUCE	ISHARES TR	46436E718	-75,482	-$7.6M	-$41,094
ADD	SELECT SECTOR SPDR TR	81369Y506	+166,668	+$7.5M	-$7.4M
REDUCE	SPDR SERIES TRUST	78468R663	-65,620	-$6.0M	-$25,197
REDUCE	GOLDMAN SACHS ETF TR	NVGLF	-46,897	-$4.7M	-$17,903
ADD	GLOBAL X FDS	37954Y293	+65,415	+$4.0M	-$2,098
NEW	PROFESIONALLY MANAGED PORTFO	74316P579	+56,229	+$3.7M	$0
REDUCE	ISHARES TR	464287556	-21,437	-$3.6M	+$1.2M

Sector Allocation

15.3%$83.9M

4.9%$26.9M

3.4%$18.5M

3.1%$17.3M

Consumer Discretionary

2.7%$14.7M

Materials

2.5%$14.1M

Communication Services

2.4%$13.4M

1.6%$8.6M

0.8%$4.7M

0.8%$4.4M

0.0%$99,140

Filing History

Feb 5, 202613F HOLDINGS REPORTQ/E Dec 2025332 pos · $549.7M
Nov 6, 202513F HOLDINGS REPORTQ/E Sep 2025352 pos · $526.3M
Jul 30, 202513F HOLDINGS REPORTQ/E Jun 2025436 pos · $497.0M
May 6, 202513F HOLDINGS REPORTQ/E Mar 2025458 pos · $446.9M
Feb 10, 202513F HOLDINGS REPORTQ/E Dec 2024324 pos · $446.4M
Oct 29, 202413F HOLDINGS REPORTQ/E Sep 2024353 pos · $447.2M
Aug 5, 202413F HOLDINGS REPORTQ/E Jun 2024319 pos · $414.8M
May 2, 202413F HOLDINGS REPORT (Amended)Q/E Mar 2024321 pos · $341.6M
May 2, 202413F HOLDINGS REPORTQ/E Mar 2024314 pos · $413.9M
May 2, 202413F HOLDINGS REPORT (Amended)Q/E Mar 2024315 pos · $382.5M
May 2, 202413F HOLDINGS REPORT (Amended)Q/E Mar 2024315 pos · $315.6M
May 2, 202413F HOLDINGS REPORT (Amended)Q/E Mar 2024317 pos · $337.9M
Nov 3, 202313F HOLDINGS REPORTQ/E Dec 2023317 pos · $337.9M

Top 20 Holdings — Dec 2025

#	Issuer	Ticker	Shares	Value	% of Portfolio
1	APPLE INC	AAPL	101,681	$27.6M	5.72%
2	ALPHABET INC	GOOG	76,080	$23.9M	4.94%
3	DIMENSIONAL ETF TRUST	25434V799	661,084	$22.8M	4.71%
4	DIMENSIONAL ETF TRUST	25434V872	426,293	$18.1M	3.75%
5	CITIGROUP INC	C-PR	150,375	$17.5M	3.63%
6	SCHWAB CHARLES CORP	SCHW-PJ	168,114	$16.8M	3.47%
7	MICRON TECHNOLOGY INC	MU	57,214	$16.3M	3.38%
8	CAPITAL ONE FINL CORP	14040H105	63,472	$15.4M	3.18%
9	SELECT SECTOR SPDR TR	81369Y506	332,656	$14.9M	3.08%
10	JOHNSON & JOHNSON	JNJ	66,658	$13.8M	2.85%
11	FEDEX CORP	FDX	44,043	$12.7M	2.63%
12	BANK AMERICA CORP	060505104	229,489	$12.6M	2.61%
13	UBER TECHNOLOGIES INC	UBER	153,323	$12.5M	2.59%
14	META PLATFORMS INC	META	18,100	$11.9M	2.47%
15	FREEPORT-MCMORAN INC	FCX	234,083	$11.9M	2.46%
16	VANGUARD INSTL INDEX FD	922040845	155,272	$11.7M	2.42%
17	WELLS FARGO CO NEW	949746101	124,887	$11.6M	2.41%
18	AMAZON COM INC	AMZN	48,386	$11.2M	2.31%
19	APPLIED MATLS INC	038222105	43,234	$11.1M	2.30%
20	DIMENSIONAL ETF TRUST	25434V732	335,561	$11.1M	2.30%