Main Management Fund Advisors LLC

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Main Management Fund Advisors LLC reported 8 stock positions worth $1.4 billion. Its top holding was Ste STR SPDR PT S&P 500 ETF (SPYM) at 36.8% of the portfolio, followed by iShares Core S&P 500 ETF (IVV, 13.2%) and Invesco Nasdaq 100 ETF (QQQM, 10.9%). Compared with Q1 2026, it opened 4 new positions, sold out of 2, added to 1 and reduced 3. The biggest buy was a new position in Ste STR SPDR PT S&P 500 ETF (SPYM) and the biggest sale iShares Core S&P 500 ETF (IVV, shares −69%).

Most Recent 13F
Q2 2026
Location
SAN FRANCISCO, CA
CIK
0001862787
Portfolio Value
$1.4B (Q2 2026)
SEC Filing
0001862787-26-000004 ↗ filed Aug 14, 2026

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $491.9M Q1 2024 Q2 2024: $555.1M Q2 2024 Q3 2024: $583.2M Q3 2024 Q4 2024: $655.0M Q4 2024 Q1 2025: $682.3M Q1 2025 Q2 2025: $838.6M Q2 2025 Q3 2025: $1.0B Q3 2025 Q4 2025: $1.1B Q4 2025 Q1 2026: $1.2B Q1 2026 Q2 2026: $1.4B $1.4B Q2 2026

Holdings 8 stocks · $1.4B

SPYM Ste STR SPDR PT S&P 500 ETF 36.76% 5,915,320 $519.8M New
IVV iShares Core S&P 500 ETF 13.24% 250,100 $187.3M Reduce -69.1%
QQQM Invesco Nasdaq 100 ETF 10.90% 508,600 $154.1M Reduce -52.0%
XLE SS Energy Select Sector 10.53% 2,802,700 $148.9M Add +283.4%
XLU St Sr Utl SL SE SPDR ETF-Usd 9.39% 2,928,700 $132.8M New
XLF SS Financial Select Sector 9.31% 2,456,200 $131.7M New
XLV SS Health Care Select Sector 8.54% 761,100 $120.8M New
STIP iShares 0-5 Year Tips Bond E 1.33% 184,051 $18.8M Reduce -92.6%

Portfolio Sells Q1 2026 → Q2 2026

IVV iShares Core S&P 500 ETF Reduce -69.1% 13.24% −24.95
BKLC BNY Mellon US LRG Cap Cor Sold out 0.00% −21.13
STIP iShares 0-5 Year Tips Bond E Reduce -92.6% 1.33% −11.43
XLC SS Comm Select Sector SPDR Sold out 0.00% −9.04
QQQM Invesco Nasdaq 100 ETF Reduce -52.0% 10.90% +1.04

Portfolio Buys Q1 2026 → Q2 2026

SPYM Ste STR SPDR PT S&P 500 ETF New 36.76% +36.76
XLU St Sr Utl SL SE SPDR ETF-Usd New 9.39% +9.39
XLF SS Financial Select Sector New 9.31% +9.31
XLV SS Health Care Select Sector New 8.54% +8.54
XLE SS Energy Select Sector Add +283.4% 10.53% +1.52

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 8$1.4BSPYM, IVV, QQQM, XLE, XLU
Q1 2026 6$1.2BIVV, BKLC, STIP, QQQM, XLC
Q4 2025 7$1.1BIVV, BKLC, XLF, XLC, QQQM
Q3 2025 8$1.0BIVV, BKLC, XLC, SMH, XLU
Q2 2025 6$838.6MIVV, SMH, QQQM, XLC, XLU
Q1 2025 6$682.3MIVV, SMH, QQQM, XLU, XLC
Q4 2024 6$655.0MSPY, SMH, QQQM, XLC, XLY
Q3 2024 5$583.2MSPY, SMH, XLC, XLU, QQQM
Q2 2024 6$555.1MSPY, SMH, XLC, XBI, XLU
Q1 2024 6$491.9MSPY, SMH, XBI, XLC, XLU