IMC-Chicago 13F holdings
IMC-Chicago reported its Q2 2026 13F on Aug 6, 2026. The filing shows a $10.9B US stock portfolio in 1554 positions, 23% of it in the top five: Ss Spdr Dow Jones Indus Avg (5.8%), Micron Technology (5.2%), Taiwan Semiconductor-Sp Adr (5.0%), Amazon.com (3.6%) and Ishares Msci South Korea ETF (3.1%). In Q2 2026 it opened 6 new positions, added to 29, trimmed 5 and sold out of 12. At today's prices that book is down 5.1% since the quarter closed. This is an institutional book, so its moves mostly reflect client money flowing in and out and index changes, not one manager's conviction. 13F filings arrive up to 45 days after the quarter ends and cover long US-listed positions only, so they show where the money was, not where it is now; this is educational analysis, not investment advice.
Q2 2026 13F, filed Aug 6, 2026. Prices as of Oct 27, 2026. Refreshed weekly from SEC EDGAR.
How big is IMC-Chicago's stock portfolio?
From the Q2 2026 13F, filed Aug 6, 2026. Prices are today's, so "since quarter-end" is how the book as filed has done since.
What does IMC-Chicago own?
The positions in its Q2 2026 13F, largest first. The 40 largest of 1554 are shown. "This site's filters" is how many of this site's 8 value filters the stock passes; a stock this site tracks links to its own analysis.
| Stock | Weight | Size | Shares vs. last quarter | Quarters held | Since quarter-end | This site's filters |
|---|---|---|---|---|---|---|
| DIASs Spdr Dow Jones Indus Avg | 5.8% | $628M1.2M shares | +1756% | 4+ | +0.2% | n/a |
| MUMicron Technology Inc | 5.2% | $570M494K shares | -33% | 4+ | -19.5% | 5/8 |
| TSMTaiwan Semiconductor-Sp Adr | 5.0% | $549M1.1M shares | +85% | 4+ | -8.5% | n/a |
| AMZNAmazon.com Inc | 3.6% | $387M1.6M shares | +512% | 2 | +6.2% | 8/8 |
| EWYIshares Msci South Korea ETF | 3.1% | $337M1.7M shares | +1758% | 2 | -22.0% | n/a |
| PSLVSprott Physical Silver Trust | 3.0% | $326M17.3M shares | +34% | 3 | -7.7% | n/a |
| TSLATesla Inc | 3.0% | $321M763K shares | -46% | 4+ | -3.1% | 1/8 |
| ASML Hldg NV | 2.3% | $251M126K shares | +144% | 2 | n/a | n/a |
| AAPLApple Inc | 2.2% | $244M843K shares | +9500% | 2 | +20.0% | 2/8 |
| METAMETA Platforms Inc-Class A | 2.1% | $228M404K shares | +79% | 4+ | +10.1% | 8/8 |
| INTCIntel Corp | 1.4% | $147M1.1M shares | +42% | 4+ | -32.9% | 2/8 |
| MSFTMicrosoft Corp | 1.0% | $113M303K shares | New | 1 | +42.4% | 2/8 |
| MRVLMarvell Technology Inc | 0.9% | $99.0M332K shares | +1776% | 4+ | -18.2% | 2/8 |
| PHYSSprott Physical Gold Trust | 0.9% | $98.1M3.3M shares | +33% | 4+ | +1.7% | n/a |
| SMCISuper Micro Computer Inc | 0.9% | $97.4M3.3M shares | +357% | 3 | +19.6% | 5/8 |
| JPMJpmorgan Chase & Co | 0.8% | $91.5M280K shares | New | 1 | +2.6% | 8/8 |
| BABAAlibaba Group Holding-Sp Adr | 0.8% | $90.3M940K shares | +177% | 3 | +4.4% | n/a |
| COSTCostco Wholesale Corp | 0.8% | $86.8M92.8K shares | +113% | 2 | +6.1% | 3/8 |
| SNDKSandisk Corp | 0.7% | $78.6M34.6K shares | -76% | 3 | -42.6% | 3/8 |
| ASTSAst Spacemobile Inc | 0.7% | $74.3M836K shares | +2731% | 4+ | -52.8% | n/a |
| BEBloom Energy Corp- A | 0.7% | $73.8M244K shares | +182% | 2 | -27.8% | 2/8 |
| CEFSprott Physical Gold and Sil | 0.7% | $71.6M1.8M shares | -49% | 2 | -2.5% | n/a |
| QCOMQualcomm Inc | 0.6% | $69.1M374K shares | +607% | 2 | -0.3% | 4/8 |
| ORCLOracle Corp | 0.6% | $67.6M462K shares | -36% | 2 | -10.9% | 7/8 |
| BABoeing Co | 0.6% | $65.1M301K shares | New | 1 | -22.3% | 2/8 |
| WDCWestern Digital Corp | 0.6% | $59.9M93.7K shares | +24% | 2 | -40.4% | 4/8 |
| KLACKla Corp | 0.5% | $58.7M194K shares | +3173% | 2 | -49.1% | 2/8 |
| TTWOTake-Two Interactive Softwre | 0.5% | $55.2M221K shares | +169% | 4+ | -19.5% | 2/8 |
| CVXChevron Corp | 0.5% | $54.6M329K shares | New | 1 | +37.7% | 7/8 |
| WMTWalmart Inc | 0.5% | $52.5M463K shares | New | 1 | +5.4% | 2/8 |
| Nebius Group N.v. | 0.5% | $52.4M190K shares | +164% | 4+ | n/a | n/a |
| FSLRFirst Solar Inc | 0.5% | $51.7M219K shares | +1092% | 2 | -25.5% | 5/8 |
| Iren Limited | 0.5% | $48.7M1.1M shares | +138% | 4+ | n/a | n/a |
| NKENike Inc | 0.4% | $47.0M1.1M shares | +86% | 4+ | -8.5% | 5/8 |
| ADBEAdobe Inc | 0.4% | $46.6M227K shares | New | 1 | +21.1% | 5/8 |
| PLTRPalantir Technologies Inc-A | 0.4% | $46.5M399K shares | +43% | 3 | +70.3% | 2/8 |
| BRK.ABerkshire Hathaway Inc | 0.4% | $44.2M59 shares | +5800% | 2 | +8.2% | n/a |
| FCXFreeport-Mcmoran Inc | 0.4% | $43.7M696K shares | +69% | 4+ | +4.9% | 5/8 |
| KRESs Spdr S&P Regional Bank | 0.4% | $42.6M568K shares | +164% | 4+ | -3.0% | n/a |
| EXEExpand Energy Corp | 0.4% | $41.9M459K shares | +2326% | 2 | +3.8% | 4/8 |
What did IMC-Chicago buy and sell in Q2 2026?
Compared with Q1 2026. A position counts as added or trimmed when its share count moved by 5% or more.
Bought (new)
Added to
Trimmed
Sold out
How has IMC-Chicago's portfolio changed over time?
The reported stock book each quarter. It includes market moves as well as buying and selling.
| Quarter | Stock book | Positions | Change |
|---|---|---|---|
| Q3 2025 | $5.6B | 734 | n/a |
| Q4 2025 | $5.7B | 850 | +0.9% |
| Q1 2026 | $6.6B | 1290 | +16.0% |
| Q2 2026 | $10.9B | 1554 | +65.0% |
Does IMC-Chicago hold options?
Puts and calls are reported at the notional value of the shares they control, so they sit apart from the stock book above.
| Underlying | Type | Notional | Shares controlled |
|---|---|---|---|
| n/aState Str Spdr S&P 500 ETF T | Put | $39.2B | 52.5M |
| n/aState Str Spdr S&P 500 ETF T | Call | $18.7B | 25.0M |
| n/aMicron Technology Inc | Put | $14.5B | 12.6M |
| n/aInvesco Qqq Tr | Put | $12.6B | 17.2M |
| n/aMicron Technology Inc | Call | $11.8B | 10.2M |
| n/aSandisk Corp | Put | $9.4B | 4.1M |
| n/aNvidia Corporation | Call | $9.0B | 44.8M |
| n/aSandisk Corp | Call | $8.8B | 3.9M |
Frequently asked questions about IMC-Chicago
What does IMC-Chicago own?
IMC-Chicago's Q2 2026 13F lists 1554 positions worth $10.9B. The largest are Ss Spdr Dow Jones Indus Avg (5.8%), Micron Technology (5.2%), Taiwan Semiconductor-Sp Adr (5.0%), Amazon.com (3.6%) and Ishares Msci South Korea ETF (3.1%), together 23% of the book. The full table is above; each stock this site tracks links to its own analysis.
What did IMC-Chicago buy and sell in Q2 2026?
Compared with Q1 2026, IMC-Chicago opened 6 new positions (MSFT, JPM and BA and more), added to 29, trimmed 5 and sold out of 12 (SPY, IBIT and GOOGL and more). A position counts as added or trimmed when its share count moved by 5% or more.
How concentrated is IMC-Chicago's portfolio?
The top position is 6% of the book, the top five 23% and the top ten 35%, across 1554 positions. Estimated turnover last quarter was 91% of the book.
When does IMC-Chicago file its next 13F?
Managers file within 45 days after each quarter ends. For the quarter ending Sep 30, 2026, the deadline is about Nov 16, 2026 (a weekend deadline moves to the next business day). This page updates when the filing is on EDGAR.
Can you see IMC-Chicago's cost basis or profit?
No. A 13F lists positions at quarter-end, not what was paid or when, and it excludes shorts and non-US holdings. This page shows each stock's price change since the quarter closed (the whole book as filed is -5.1%, with 94% of it priced) and since the position first appeared, which is a rough read and not their profit.
Where does this data come from?
- Holdings: IMC-Chicago's Form 13F-HR filings, listed on SEC EDGAR; the latest, filed Aug 6, 2026, is here. The Q2 2026 book was filed Aug 6, 2026.
- Prices and tickers: today's prices are from Finnhub, matched to each filing's securities with OpenFIGI; "since quarter-end" compares today's price with the price implied by the filing (value divided by shares).
- Limits: a 13F covers long US-listed positions only, up to 45 days after the quarter ends: no shorts, no cost basis, no trades inside the quarter. Read the Editorial Standards for how this site treats filings, and Form 13F in the glossary.
About this page
This page lists everything in IMC-Chicago's latest Form 13F (IMC-Chicago): every position, what changed last quarter and how the stocks have moved since. Every figure comes from SEC filings and is refreshed weekly; read the Editorial Standards for the rules, or open Superinvestors to compare all 25 investors. Educational content only, not investment advice.