SEC 13F Intelligence

Managers / Q1 2025 · view latest →

Mainstream Capital Management LLC

CIK 0002043084 · 3435 WILSHIRE BLVD, SUITE 1100, LOS ANGELES, CA, 90010 · 213-365-6773

Reported Value
$126M
Q1 2025
Positions
86
Filings on Record
7
2019–present window
Filed
Apr 28, 2025
original filing

Summary

Mainstream Capital Management LLC reported $126M in U.S.-listed holdings across 86 positions for Q1 2025.

Its largest position, JPST, represents 15.5% of the portfolio.

Compared with Q4 2024, the fund opened 2 new positions and exited 238.

Portfolio Metrics

Turnover
+5.5%
vs prior filed quarter
Top-10 Concentration
+47.4%
share of reported value
Largest Position
+15.5%
Jpmorgan Ultra Short Income Etf
New / Exited
2 / 238
positions this quarter

Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded, with multiple share classes and repeated sub-manager rows for the same issuer combined into one position — the same rule the holdings table uses by default. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.

Reported Value by Quarter

13F Reported Value
Q3 ’24: $118MQ3 ’24Q4 ’24: $143MQ4 ’24Q1 ’25: $126MQ1 ’25Q2 ’25: $138MQ2 ’25Q3 ’25: $150MQ3 ’25Q4 ’25: $153MQ4 ’25Q1 ’26: $149MQ1 ’26filingsflow.com

Portfolio Composition

By security type
Common Stock: 56.7%ETP: 41.9%REIT: 0.7%ADR: 0.7%
  • Common Stock · 56.7% · $72M
  • ETP · 41.9% · $53M
  • REIT · 0.7% · $918,487
  • ADR · 0.7% · $910,668

Quarter-over-Quarter Changes full breakdown →

vs Q4 2024 (amended baseline)

IssuerMoveShare ΔShares nowValue ΔValue now
IBKRINTERACTIVE BROKERS GROUP INC COM CL ANEW+4.3K4.3K+$712,203$712,203
RIOTRIOT PLATFORMS INC COMNEW+18.5K18.5K+$131,948$131,948
HDHOME DEPOT INC COMADDED+4.0K4.3K+$1M$2M
LLYELI LILLY & CO COMADDED+1.4K1.6K+$1M$1M
ASAMER SPORTS INC COM SHSADDED+10.1K16.9K+$260,888$450,401
PFEPFIZER INC COMSOLD OUT30.5K0$808,926$0
SPYGSPDR PORTFOLIO S&P 500 GROWTH ETFSOLD OUT6.2K0$547,529$0
SPDR PORTFOLIO S&P 500 VALUE ETFSOLD OUT6.3K0$321,875$0

Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.

Holdings — Q1 2025

85 positions
#IssuerClass% PortfolioValueShares
1JPSTJPMORGAN ULTRA-SHORT INCOME ETFhistory →ETF15.49%$20M386.1K
2AAPLAPPLE INC COMhistory →Stock6.84%$9M38.9K
3AMZNAMAZON COM INC COMhistory →Stock4.97%$6M33.0K
4GOOGALPHABET INC CAP STK CL CStock3.84%$5M31.1K
5METAMETA PLATFORMS INC CL Ahistory →Stock3.72%$5M8.1K
6IWFISHARES RUSSELL 1000 GROWTH ETFhistory →ETF2.94%$4M10.3K
7IWDISHARES RUSSELL 1000 VALUE ETFhistory →ETF2.62%$3M17.5K
8NVDANVIDIA CORPORATION COMhistory →Stock2.58%$3M30.0K
9BRK/BBERKSHIRE HATHAWAY INC DEL CL B NEWhistory →Stock2.27%$3M5.4K
10IVVISHARES CORE S&P 500 ETFhistory →ETF2.14%$3M4.8K
11COSTCOSTCO WHSL CORP NEW COMhistory →Stock1.71%$2M2.3K
12NFLXNETFLIX INC COMhistory →Stock1.69%$2M2.3K
13JEPIJPMORGAN EQUITY PREMIUM INCOME ETFhistory →ETF1.65%$2M36.4K
14JPMJPMORGAN CHASE & CO. COMhistory →Stock1.65%$2M8.5K
15MSFTMICROSOFT CORP COMhistory →Stock1.59%$2M5.4K
16LZLEGALZOOM COM INC COMhistory →Stock1.53%$2M225.0K
17SPYSPDR S&P 500 ETF TRUSThistory →ETF1.50%$2M3.4K
18CRMSALESFORCE INC COMhistory →Stock1.38%$2M6.5K
19UNHUNITEDHEALTH GROUP INC COMhistory →Stock1.33%$2M3.2K
20CAVACAVA GROUP INC COMhistory →Stock1.30%$2M19.0K
21VOEVANGUARD MID-CAP VALUE ETFhistory →ETF1.30%$2M10.2K
22HDHOME DEPOT INC COMhistory →Stock1.25%$2M4.3K
23VOTVANGUARD MID-CAP GROWTH ETFhistory →ETF1.25%$2M6.5K
24QUALISHARES MSCI USA QUALITY FACTOR ETFhistory →ETF1.25%$2M9.2K
25GLDSPDR GOLD SHAREShistory →ETF1.23%$2M5.4K
26TJXTJX COS INC NEW COMhistory →Stock1.20%$2M12.4K
27CMGCHIPOTLE MEXICAN GRILL INC COMhistory →Stock1.13%$1M28.4K
28LLYELI LILLY & CO COMhistory →Stock1.07%$1M1.6K
29SCHWSCHWAB CHARLES CORP COMhistory →Stock1.04%$1M16.8K
30TSLATESLA INC COMhistory →Stock1.04%$1M5.1K
31EFVISHARES MSCI EAFE VALUE ETFhistory →ETF1.02%$1M21.9K
32PANWPALO ALTO NETWORKS INC COMStock0.97%$1M7.2K
33VGTVANGUARD INFORMATION TECHNOLOGY ETFETF0.97%$1M2.3K
34ORLYOREILLY AUTOMOTIVE INC COMStock0.96%$1M844
35VVISA INC COM CL AStock0.94%$1M3.4K
36EFGISHARES MSCI EAFE GROWTH ETFETF0.90%$1M11.4K
37CRWDCROWDSTRIKE HLDGS INC CL AStock0.90%$1M3.2K
38HNSTHONEST CO INC COMStock0.88%$1M236.1K
39WMTWALMART INC COMStock0.86%$1M12.3K
40CVXCHEVRON CORP NEW COMStock0.85%$1M6.4K
41BXPBXP INC COMREIT0.73%$918,48713.7K
42BABAALIBABA GROUP HLDG LTD SPONSORED ADSADR0.72%$910,6686.9K
43GSGOLDMAN SACHS GROUP INC COMStock0.68%$862,5921.6K
44IJRISHARES CORE S&P SMALL CAP ETFETF0.68%$858,7298.2K
45TAT&T INC COMStock0.62%$782,16827.7K
46DISDISNEY WALT CO COMStock0.58%$735,7107.5K
47IEMGISHARES CORE MSCI EMERGING MARKETS ETFETF0.57%$717,20713.3K
48IYWISHARES U.S. TECHNOLOGY ETFETF0.57%$715,1205.1K
49IBKRINTERACTIVE BROKERS GROUP INC COM CL AStock0.56%$712,2034.3K
50IVWISHARES S&P 500 GROWTH ETFETF0.56%$709,4077.6K
51MAMASTERCARD INCORPORATED CL AStock0.51%$638,5601.2K
52USMVISHARES MSCI USA MIN VOL FACTOR ETFETF0.50%$637,1696.8K
53CEGCONSTELLATION ENERGY CORP COMStock0.46%$586,5422.9K
54VOXVANGUARD COMMUNICATION SERVICES ETFETF0.45%$573,9733.9K
55VHTVANGUARD HEALTH CARE ETFETF0.43%$541,9022.0K
56BXSLBLACKSTONE SECD LENDING FD COMMON STOCKCEF0.42%$532,61316.5K
57AVGOBROADCOM INC COMStock0.42%$528,9113.2K
58VFHVANGUARD FINANCIALS ETFETF0.41%$520,2924.4K
59ASAMER SPORTS INC COM SHSStock0.36%$450,40116.9K
60BSVVANGUARD SHORT-TERM BOND ETFETF0.33%$410,5795.2K
61MCDMCDONALDS CORP COMStock0.33%$410,4541.3K
62XLKTECHNOLOGY SELECT SECTOR SPDR FUNDETF0.32%$401,8101.9K
63AMDADVANCED MICRO DEVICES INC COMStock0.31%$395,8573.9K
64IJHISHARES CORE S&P MID-CAP ETFETF0.31%$394,3886.8K
65SKAASKECHERS U S A INC CL AStock0.29%$360,5536.3K
66AXPAMERICAN EXPRESS CO COMStock0.27%$341,6941.3K
67IFRAISHARES U.S. INFRASTRUCTURE ETFETF0.27%$335,3667.4K
68SDYSPDR S&P DIVIDEND ETFETF0.27%$335,1302.5K
69XLPCONSUMER STAPLES SELECT SECTOR SPDR FUNDETF0.26%$324,8024.0K
70DRIDARDEN RESTAURANTS INC COMStock0.26%$324,5211.6K
71XLIINDUSTRIAL SELECT SECTOR SPDR FUNDETF0.22%$279,3102.1K
72DYNFISHARES U.S. EQUITY FACTOR ROTATION ACTIVE ETFETF0.22%$275,7875.7K
73NKENIKE INC CL BStock0.22%$273,7264.3K
74BABOEING CO COMStock0.22%$271,5161.6K
75SCUSSCHWAB ULTRA-SHORT INCOME ETFETF0.21%$260,71710.3K
76SCHDSCHWAB US DIVIDEND EQUITY ETFETF0.20%$257,2049.2K
77GBTCGRAYSCALE BITCOIN TRUST ETFETF0.20%$251,3613.9K
78CBRECBRE GROUP INC CL AStock0.19%$241,2891.8K
79AMATAPPLIED MATLS INC COMStock0.19%$239,1581.6K
80PINSPINTEREST INC CL AStock0.18%$223,2007.2K
81FNDXSCHWAB FUNDAMENTAL U.S. LARGE COMPANY ETFETF0.18%$221,2739.4K
82QQQINVESCO QQQ TRUST SERIES IETF0.17%$208,669445
83IBITISHARES BITCOIN TRUST ETFETF0.16%$205,9644.4K
84IVEISHARES S&P 500 VALUE ETFETF0.16%$202,5871.1K
85RIOTRIOT PLATFORMS INC COMStock0.10%$131,94818.5K

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$149M88Apr 17, 202613F-HRchanges · EDGAR ↗
Q4 2025$153M88Jan 21, 202613F-HRchanges · EDGAR ↗
Q3 2025$150M87Oct 20, 202513F-HRchanges · EDGAR ↗
Q2 2025$138M84Jul 15, 202513F-HRchanges · EDGAR ↗
Q1 2025$126M86Apr 28, 202513F-HRchanges · EDGAR ↗
Q4 2024$143M322Feb 6, 202513F-HRchanges · EDGAR ↗
Q3 2024$118M84Oct 31, 202413F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.