Blume Capital Management, Inc. 13F Portfolio

CIK 1587192 Filing since Q1 2014 Q3 2026 filed Oct 23, 2026
Holdings as of Sep 30, 2026, from the 13F filed Oct 23, 2026.

Portfolio Snapshot

252 positions · Q3 2026

Blume Capital Management, Inc. reported 252 positions worth $446.00M for the quarter ended Sep 30, 2026, down 2.2% on the prior quarter. It opened 9 new positions, added to 25, trimmed 61 and exited 9. Its largest holding is Alphabet Inc. at 8.1% of the portfolio.

Portfolio Value
$446.00M
-2.2% QoQ · +26.1% YoY
Positions
252
9 new · 9 sold out
Top 10 Concentration
47%
of portfolio value
Largest Position
GOOG 8.1%
Alphabet Inc.
Net Buying
-$11.11M
$15.40M bought · $26.51M sold
Turnover
3.4%
of the portfolio traded
Top Sector
Technology
43.1% of value
Track Record
50
quarters on file since Q1 2014

Portfolio Value & Positions

Value Positions

Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.

Sector Allocation

12 sectors
43.08%
Technology
Technology43.08%
Financial Services17.11%
Basic Materials6.88%
Healthcare5.51%
Communication Services5.48%
Industrials5.4%
Energy4.68%
Consumer Discretionary4.61%
Other4.24%
Consumer Staples2.85%
Utilities0.09%
Real Estate0.059%

Quarterly Buying & Selling

Bought Sold

Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.

Position Changes

How many positions were opened, added to, trimmed or closed each quarter.

Sector Allocation Over Time

Share of reported value in each sector at every quarter end.

TechnologyFinancial ServicesBasic MaterialsHealthcareCommunication ServicesIndustrialsEnergyConsumer DiscretionaryOtherConsumer StaplesUtilitiesReal Estate

Largest Buys

Q3 2026
Holding Change Change % Trade Value Weight
FISV Fiserv Inc +76.8K +56.6% $3.47M 2.15%
CMCSA Comcast Corp +122.4K +30.4% $2.66M 2.56%
NVDA Nvidia Corp +9,229 +18.3% $2.11M 3.05%
NFLX Netflix Inc +27.1K +5,311.2% $1.88M 0.431%
CLX Clorox Co +14.7K +8,386.3% $1.19M 0.27%
DVN Devon Energy Corp +17.1K +46.9% $785.67K 0.552%
SPCX Space Exploration Technologies Corp +4,000 +1,333.3% $603.49K 0.145%
HON Honeywell International Inc +2,789 – $588.31K 0.132%
UBER Uber Technologies, Inc +8,112 +4.7% $555.75K 2.76%
RKT Rocket Companies, Inc. +47.0K – $541.26K 0.121%

Largest Sells

Q3 2026
Holding Change Change % Trade Value Weight
JNJ Johnson & Johnson -15.6K -34.7% $4.14M 1.75%
DE Deere & Co -5,749 -75.6% $3.86M 0.28%
IFF International Flavors & Fragrances Inc -35.2K -71.8% $2.94M 0.26%
ABNB Airbnb, Inc. -14.6K -97.8% $2.34M 0.012%
ZBH Zimmer Biomet Holdings, Inc. -24.1K -99.9% $2.14M <0.01%
SNY Sanofi -47.7K -100.0% $2.03M Exited
MTN Vail Resorts Inc -13.6K -100.0% $1.86M <0.01%
MDT Medtronic plc -20.4K -99.8% $1.76M <0.01%
GS Goldman Sachs Group Inc -688 -13.0% $619.45K 0.929%
MU Micron Technology Inc -400 -1.5% $426.04K 6.1%

New Positions

Q3 2026
Holding Shares Trade Value Weight
HON Honeywell International Inc +2,789 $588.31K 0.132%
RKT Rocket Companies, Inc. +47.0K $541.26K 0.121%
VMRK Vivmark Residential +418 $25.40K <0.01%
NU Nu Holdings Ltd. +970 $12.28K <0.01%
ADIG Adi Global Distribution Inc. +550 $9.86K <0.01%
BX Blackstone Inc. +25 $2.80K <0.01%
VST Vistra Corp. +20 $2.77K <0.01%
PDSB PDS Biotechnology Corp +2,000 $1.50K <0.01%
SONY Sony Group Corp +21 $495.00 <0.01%

Closed Positions

Q3 2026
Holding Shares Sold Trade Value Prior Weight
SNY Sanofi -47.7K $2.03M 0.446%
CHTR Charter Communications, Inc. -500 $71.11K 0.016%
OUST Ouster, Inc. -725 $45.33K <0.01%
GLXY Galaxy Digital Inc. -550 $15.04K <0.01%
AVAV AeroVironment Inc -80 $13.21K <0.01%
POWI Power Integrations Inc -125 $10.47K <0.01%
ODD Oddity Tech Ltd -100 $1.51K <0.01%
TGT Target Corp -6 $784.00 <0.01%
MNKD Mannkind Corp -100 $426.00 <0.01%
Holdings · Q3 2026

252 Positions

As ofSep 30, 2026
Value$446.00M
Top 1047%
Avg position$1.77M
# Activity
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Showing 1–15 of 252 positions 13F filings on SEC EDGAR

Tip. Select a row to see that position’s full history at Blume Capital Management.

About Blume Capital Management, Inc.’s 13F Portfolio

What are Blume Capital Management, Inc.’s largest holdings?

As of its Q3 2026 13F filing, Blume Capital Management, Inc.’s five largest positions were Alphabet Inc. (GOOG) at 8.1%, Apple Inc. (AAPL) at 7.5%, Micron Technology Inc (MU) at 6.1%, Amazon Com Inc (AMZN) at 4.3%, Citigroup Inc (C) at 4.2% of the reported portfolio.

How much is Blume Capital Management, Inc.’s portfolio worth?

Blume Capital Management, Inc. reported a 13F portfolio worth $446.00M across 252 positions for Q3 2026. That is down 2.2% from the previous quarter.

What did Blume Capital Management, Inc. buy in Q3 2026?

Its largest purchases by value were Fiserv Inc ($3.47M), Comcast Corp ($2.66M), Nvidia Corp ($2.11M). It opened 9 new positions.

What did Blume Capital Management, Inc. sell in Q3 2026?

Its largest sales by value were Johnson & Johnson ($4.14M), Deere & Co ($3.86M), International Flavors & Fragrances Inc ($2.94M). It exited 9 positions entirely.

Where does this data come from?

From the Form 13F-HR reports Blume Capital Management, Inc. files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.

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by reported 13F value

13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.