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Super Investors Grassi Investment Management
GI

Grassi Investment Management

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$1.26B
Positions
128
Quarter ended
June 30, 2025
Filed
July 21, 2025

Reported portfolio value by quarter (45 quarters reported)

$1.26B $457M
Q2 14 Q3 16 Q4 18 Q1 21 Q2 23 Q2 25

$457M in Q2 2014 → $1.26B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2025. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Nvidia Corp 20.8% Trimmed 0.4% 1,653,100 $261M
Microsoft Corp 6.3% Trimmed 1.1% 159,643 $79.4M
Broadcom Ltd 5.8% Trimmed 3.0% 265,630 $73.2M
AC Apple Computer 5.4% Trimmed 0.4% 330,171 $67.7M
LE Lilly, Eli & Co 5.0% Added 0.3% 79,927 $62.3M
Applied Materials 4.0% Trimmed 0.4% 273,851 $50.1M
VC Visa Inc Cl A 2.8% Trimmed 0.3% 98,967 $35.1M
JM Jp Morgan Chase 2.4% Trimmed 0.6% 104,353 $30.3M
Prologis 2.1% Unchanged 256,075 $26.9M
Caterpillar 2.1% Unchanged 66,904 $26M
Oracle Corp 1.7% Trimmed 2.6% 95,645 $20.9M
AM Advanced Micro Dev 1.6% Trimmed 0.8% 142,895 $20.3M
Bank Of America 1.6% Trimmed 0.4% 423,000 $20M
Abbvie Inc. 1.4% Trimmed 1.3% 96,025 $17.8M
Blackstone 1.4% Trimmed 0.6% 113,750 $17M
IC Ibm Corporation 1.3% Trimmed 1.3% 57,468 $16.9M
Morgan Stanley 1.3% Trimmed 0.6% 120,050 $16.9M
Procter & Gamble 1.3% Unchanged 104,400 $16.6M
AL Abbott Labs Com 1.3% Trimmed 0.8% 121,433 $16.5M
Amazon.com 1.2% Trimmed 0.5% 70,560 $15.5M
Wells Fargo & Co 1.2% Added 0.0% 185,369 $14.9M
MI Marriott Intl 1.1% Unchanged 50,000 $13.7M
HI Honeywell Intl 1.1% Trimmed 1.0% 57,648 $13.4M
Home Depot Inc 1.1% Added 0.2% 36,330 $13.3M
Lockheed Martin 0.9% Trimmed 0.4% 25,737 $11.9M
Vulcan Materials 0.9% Trimmed 0.4% 44,752 $11.7M
Union Pacific 0.9% Unchanged 49,983 $11.5M
Rio Tinto 0.9% Trimmed 1.0% 192,969 $11.3M
American Tower 0.9% Trimmed 1.1% 49,967 $11M
Servicenow, Inc 0.9% Trimmed 1.1% 10,555 $10.9M
Charles Schwab 0.8% Trimmed 1.3% 117,018 $10.7M
Uber Technologies 0.8% Trimmed 2.6% 110,550 $10.3M
WS Wal-mart Stores 0.8% Unchanged 101,722 $9.95M
SC Snowflake Class A 0.8% Trimmed 47% 43,450 $9.72M
Boeing 0.8% Added 11% 45,007 $9.43M
DR Digital Realty Tr 0.7% Trimmed 1.0% 53,740 $9.37M
S Salesforce.com 0.7% Added 0.3% 33,614 $9.17M
J& John. & John. 0.7% Trimmed 0.3% 58,125 $8.88M
Merck & Co Inc 0.7% Trimmed 0.4% 104,417 $8.27M
Chevron Corp 0.6% Unchanged 55,996 $8.02M
T Technology 0.6% Trimmed 4.6% 28,703 $7.27M
DW Disney, Walt Co 0.6% Trimmed 0.4% 58,090 $7.2M
American Express 0.6% Unchanged 22,060 $7.04M
Vertiv Holdings 0.5% Added 7.4% 51,435 $6.61M
C Constellation 0.5% Trimmed 3.4% 39,589 $6.44M
IQ Invesco Qqq 0.5% Added 0.7% 11,346 $6.26M
AC Alphabet Class A 0.5% Trimmed 39% 33,549 $5.91M
Costco Wholesale 0.4% Unchanged 5,408 $5.35M
D Dell Inc 0.4% Added 7.5% 43,515 $5.34M
Shopify Inc 0.4% Trimmed 1.0% 45,955 $5.3M
Altria Group Inc 0.4% Trimmed 3.8% 89,286 $5.24M
B Bristol-myers 0.4% Trimmed 0.7% 107,610 $4.98M
Pepsico Inc 0.4% Added 0.4% 37,350 $4.93M
CC Comcast Cl A 0.4% Unchanged 133,400 $4.76M
Boston Scientific 0.3% Trimmed 0.9% 38,250 $4.11M
SP Simon Ppty Grp Inc 0.3% Trimmed 5.6% 20,798 $3.34M
I Industrials 0.3% Trimmed 2.8% 22,394 $3.3M
Workday Inc 0.3% Trimmed 2.2% 13,160 $3.16M
General Dynamics 0.2% Trimmed 5.1% 10,650 $3.11M
Vistra Corp 0.2% Added 14% 14,220 $2.76M

Showing top 60 of 128 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2025

quarter ended June 30, 2025 · filed July 21, 2025

Company Action Shares changed Value of change % of portfolio
SC Snowflake Class A Trimmed −37,800 −$8.46M 0.8%
AC Alphabet Class A Trimmed −21,475 −$3.78M 0.5%
Broadcom Ltd Trimmed −8,125 −$2.24M 5.8%
SP Starwood Prop Added +60,000 +$1.2M 0.2%
WM Western Midstream New +30,000 +$1.16M 0.1%
Nvidia Corp Trimmed −7,300 −$1.15M 20.8%
Microsoft Corp Trimmed −1,849 −$920K 6.3%
Boeing Added +4,300 +$901K 0.8%
Oracle Corp Trimmed −2,527 −$552K 1.7%
Vertiv Holdings Added +3,535 +$454K 0.5%

Showing the 10 largest of 92 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 10, 2025

Company Action Shares changed Value of change % of portfolio
Vertiv Holdings Added +35,750 +$2.58M 0.3%
Marvell Technology New +27,325 +$1.68M 0.2%
D Dell Inc Added +17,295 +$1.58M 0.3%
Vistra Corp Added +9,700 +$1.14M 0.1%
Uber Technologies Added +15,600 +$1.14M 0.8%
Draftkings Exited −29,500 −$1.1M —
Shopify Inc Added +11,450 +$1.09M 0.4%
C Constellation Trimmed −4,865 −$893K 0.7%
Amgen Inc Trimmed −2,000 −$623K 0.1%
AC Apple Computer Trimmed −2,088 −$464K 6.8%

Showing the 10 largest of 91 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 21, 2025

Company Action Shares changed Value of change % of portfolio
Nvidia Corp Trimmed −29,045 −$3.9M 19.1%
AC Apple Computer Trimmed −7,414 −$1.86M 7.1%
D Dell Inc Added +13,180 +$1.52M 0.2%
SS SPDR S&P Regional Trimmed −24,295 −$1.47M —
Servicenow, Inc Trimmed −1,350 −$1.43M 1.0%
Vertiv Holdings New +12,150 +$1.38M 0.1%
Palo Alto Networks Added +4,880 +$888K 0.1%
AB American Battery Tech Trimmed −360,000 −$886K —
Microsoft Corp Trimmed −1,685 −$710K 5.8%
Blackstone Trimmed −3,549 −$612K 1.7%

Showing the 10 largest of 93 changes.

Q3 2024

quarter ended September 30, 2024 · filed October 22, 2024

Company Action Shares changed Value of change % of portfolio
Broadcom Ltd Added +244,860 +$42.2M 4.0%
Freeport Mcmoran Exited −83,350 −$4.05M —
Nvidia Corp Added +21,040 +$2.56M 17.8%
SC Snowflake Class A Added +17,075 +$1.96M 0.8%
Amgen Inc Trimmed −3,630 −$1.17M 0.1%
Shopify Inc Added +14,250 +$1.14M 0.3%
Starbucks Corp Exited −7,632 −$594K —
DW Disney, Walt Co Trimmed −5,851 −$563K 0.5%
Caterpillar Trimmed −1,400 −$548K 2.3%
CH Crowdstrike Hldgs Exited −1,400 −$536K —

Showing the 10 largest of 98 changes.

Q2 2024

quarter ended June 30, 2024 · filed July 09, 2024

Company Action Shares changed Value of change % of portfolio
Nvidia Corp Added +1,436,370 +$177M 18.3%
Servicenow, Inc Added +3,195 +$2.51M 0.9%
J& John. & John. Trimmed −10,102 −$1.48M 0.8%
AL Abbott Labs Com Added +13,350 +$1.39M 1.2%
Shopify Inc Added +18,200 +$1.2M 0.1%
Palo Alto Networks New +2,880 +$976K 0.1%
D Dell Inc New +6,375 +$879K 0.1%
GX Global X Ai & Tech New +21,800 +$777K 0.1%
B Biotechnology Trimmed −4,450 −$611K 0.1%
Draftkings New +15,000 +$573K 0.1%

Showing the 10 largest of 93 changes.

Q1 2024

quarter ended March 31, 2024 · filed April 10, 2024

Company Action Shares changed Value of change % of portfolio
Nvidia Corp Trimmed −39,845 −$36M 19.2%
DW Disney, Walt Co Added +45,801 +$5.6M 0.7%
CH Crowdstrike Hldgs Trimmed −15,775 −$5.06M —
WS Wal-mart Stores Added +74,215 +$4.47M 0.6%
Boston Scientific New +38,800 +$2.66M 0.2%
Amgen Inc New +8,030 +$2.28M 0.2%
Boeing Trimmed −9,183 −$1.77M 0.7%
Uber Technologies Trimmed −19,900 −$1.53M 0.7%
Amazon.com Added +5,535 +$998K 1.1%
Microsoft Corp Added +1,416 +$596K 6.2%

Showing the 10 largest of 77 changes.

Q4 2023

quarter ended December 31, 2023 · filed January 10, 2024

Company Action Shares changed Value of change % of portfolio
A Activision Exited −128,845 −$12.1M —
Servicenow, Inc Trimmed −16,395 −$11.6M 0.7%
Prologis Added +60,900 +$8.12M 3.5%
RC Royal Caribbean Trimmed −60,400 −$7.82M 0.1%
DW Disney, Walt Co Trimmed −64,575 −$5.83M 0.2%
CC Crown Castle Int'l Trimmed −45,975 −$5.3M 0.3%
Uber Technologies Trimmed −80,425 −$4.95M 0.7%
Airbnb Trimmed −36,200 −$4.92M —
Wynn Resorts Ltd Trimmed −50,300 −$4.59M —
SC Snowflake Class A Added +22,900 +$4.56M 1.2%

Showing the 10 largest of 92 changes.

Q3 2023

quarter ended September 30, 2023 · filed October 11, 2023

Company Action Shares changed Value of change % of portfolio
QT Quotient Tech. Exited −5,306,350 −$20.4M —
SC Snowflake Class A New +34,725 +$5.31M 0.6%
VC Verizon Comm Trimmed −105,357 −$3.42M 0.1%
Charles Schwab Added +49,650 +$2.73M 0.6%
Crowdstrike Holdings New +12,725 +$2.13M 0.2%
Blackstone Trimmed −12,048 −$1.29M 1.5%
AR Alliance Res Ptnrs New +57,000 +$1.28M 0.1%
RC Royal Caribbean Trimmed −11,575 −$1.07M 0.7%
Workday Inc Trimmed −2,675 −$575K 0.3%
Amazon.com Added +4,170 +$530K 0.7%

Showing the 10 largest of 76 changes.

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