Blume Capital Management, Inc. — 13F Holdings & Portfolio

CIK 1587192 · latest 13F-HR filed 2026-07-27

Blume Capital Management, Inc. manages $683.7M in 13F-reported U.S. long-equity assets across 359 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are GOOG (5.54%), MU (4.38%), AAPL (4.28%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 29 new positions, exited 9, added to 175, and trimmed 78.

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.

Filer Information
Address
1708 SHATTUCK AVENUE
BERKELEY, CA 94709
Phone
(510) 549-3534
Filing Manager
Blume Capital Management, Inc.
BERKELEY, CA
Signatory
Jeffrey V. St.Claire
President
Loading holdings…
AUM

$683.7M

Long-equity book

Holdings

359

Distinct positions

Period

2026-06-30

Filed 2026-07-27

Q/Q Activity

+29 / −9 / ↑175 / ↓78

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • MICRON TECHNOLOGY INC$15.7M +109.9%
  • VANGUARD INSTL INDEX FD$10.8M +73.3%
  • APPLIED MATLS INC$8.5M +63.8%
  • AMAZON COM INC$7.3M +66.8%
  • ALPHABET INC$7.0M +22.7%
Show all 175

Top Trims

  • FEDEX CORP-$4.7M -34.3%
  • VERSANT MEDIA GROUP INC-$2.9M -99.9%
  • SELECT SECTOR SPDR TR-$2.5M -13.5%
  • JOHNSON & JOHNSON-$1.4M -11.1%
  • DIMENSIONAL ETF TRUST-$1.2M -6.4%
Show all 78

New Positions

  • COHEN & STEERS ETF TRUST$7.2M
  • T-MOBILE US INC$2.3M
  • ZIMMER BIOMET HOLDINGS INC$2.1M
  • VANGUARD MUN BD FDS$942.9K
  • HONEYWELL AEROSPACE INC$616.6K
Show all 29

Exited Positions

  • INVITATION HOMES INC$1.4M
  • HONEYWELL INTL INC$1.3M
  • MADISON SQUARE GRDN SPRT COR$981.9K
  • PRICE T ROWE GROUP INC$749.7K
  • COTERRA ENERGY INC$486.0K
Show all 9
All Holdings

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 ALPHABET INC GOOG 02079K107 $37.9M 5.54% 107,198 SH
2 MICRON TECHNOLOGY INC MU 595112103 $29.9M 4.38% 25,926 SH
3 APPLE INC AAPL 037833100 $29.3M 4.28% 101,193 SH
4 VANGUARD INSTL INDEX FD VBIL 922040845 $25.6M 3.74% 337,853 SH
5 DIMENSIONAL ETF TRUST DFIC 25434V799 $24.0M 3.51% 644,311 SH
6 APPLIED MATLS INC AMAT 038222105 $21.8M 3.18% 30,091 SH
7 CITIGROUP INC C 172967424 $20.8M 3.05% 148,784 SH
8 VANGUARD MALVERN FDS VCRB 922020748 $19.3M 2.82% 250,052 SH
9 AMAZON COM INC AMZN 023135106 $18.2M 2.67% 76,513 SH
10 DIMENSIONAL ETF TRUST DFCF 25434V872 $18.0M 2.64% 427,481 SH
11 SELECT SECTOR SPDR TR XLE 81369Y506 $16.4M 2.40% 308,691 SH
12 SCHWAB CHARLES CORP SCHW 808513105 $15.6M 2.29% 169,578 SH
13 FREEPORT MCMORAN INC FCX 35671D857 $14.3M 2.09% 226,772 SH
14 DIMENSIONAL ETF TRUST DFEM 25434V732 $13.9M 2.04% 342,986 SH
15 J P MORGAN EXCHANGE TRADED F JCPB 46641Q670 $13.5M 1.97% 286,555 SH
16 BANK OF AMER CORP BAC 060505104 $13.2M 1.94% 232,212 SH
17 CAPITAL ONE FINL CORP COF 14040H105 $13.2M 1.93% 65,631 SH
18 UBER TECHNOLOGIES INC UBER 90353T100 $12.4M 1.81% 171,277 SH
19 JOHNSON & JOHNSON JNJ 478160104 $11.4M 1.67% 45,083 SH
20 DIMENSIONAL ETF TRUST DFEV 25434V740 $11.1M 1.63% 261,152 SH
21 WELLS FARGO & CO WFC 949746101 $10.6M 1.56% 128,792 SH
22 META PLATFORMS INC META 30303M102 $10.6M 1.56% 18,883 SH
23 MICROSOFT CORP MSFT 594918104 $10.2M 1.50% 27,474 SH
24 NVIDIA CORPORATION NVDA 67066G104 $10.1M 1.48% 50,425 SH
25 COMCAST CORP NEW CMCSA 20030N101 $9.9M 1.44% 402,405 SH
26 DISNEY WALT CO DIS 254687106 $9.8M 1.43% 101,929 SH
27 ALPHABET INC GOOGL 02079K305 $9.5M 1.39% 26,583 SH
28 FEDEX CORP FDX 31428X106 $9.1M 1.33% 29,002 SH
29 BAKER HUGHES COMPANY BKR 05722G100 $8.6M 1.26% 155,341 SH
30 STATE STR SPDR S&P 500 ETF T Put SPY 78462F103 $7.5M 1.09% 10,000 PRN
31 COHEN & STEERS ETF TRUST CSEN 19249U609 $7.2M 1.06% 305,375 SH
32 VANGUARD INDEX FDS VTI 922908769 $7.0M 1.02% 18,860 SH
33 FISERV INC FISV 337738108 $6.7M 0.97% 135,659 SH
34 RIO TINTO PLC RIO 767204100 $6.4M 0.94% 67,656 SH
35 CNH INDL N V CNH N20944109 $6.3M 0.92% 560,710 SH
36 ARES CAPITAL CORP ARCC 04010L103 $6.1M 0.90% 330,490 SH
37 PFIZER INC PFE 717081103 $5.8M 0.85% 241,130 SH
38 VANGUARD MUN BD FDS VCRM 922907712 $5.7M 0.83% 74,350 SH
39 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $5.6M 0.81% 11,115 SH
40 JPMORGAN CHASE & CO JPM 46625H100 $5.4M 0.79% 16,491 SH
41 GOLDMAN SACHS GROUP INC GS 38141G104 $5.3M 0.78% 5,289 SH
42 WEYERHAEUSER CO WY 962166104 $5.2M 0.76% 217,161 SH
43 ISHARES TR IBB 464287556 $5.2M 0.75% 27,113 SH
44 VANGUARD SCOTTSDALE FDS VGIT 92206C706 $5.0M 0.72% 84,004 SH
45 VANECK ETF TRUST GDX 92189F106 $4.9M 0.72% 65,269 SH
46 DEERE & CO DE 244199105 $4.8M 0.71% 7,607 SH
47 CVS HEALTH CORP CVS 126650100 $4.6M 0.67% 44,074 SH
48 CHEWY INC CHWY 16679L109 $4.3M 0.63% 220,891 SH
49 COSTCO WHOLESALE CORPORATION COST 22160K105 $4.2M 0.62% 4,540 SH
50 ELEVANCE HEALTH INC FORMERLY ELV 036752103 $4.2M 0.61% 10,734 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-27 $683.7M 359 0001587192-26-000003
2026-03-31 2026-05-01 $588.1M 337 0001587192-26-000002
2025-12-31 2026-02-05 $549.7M 332 0001587192-26-000001