IMC Chicago Portfolio holdings
IMC-Chicago, a key arm of IMC Trading founded in 1989 by Rob Defares and René Schelvis in Amsterdam, is a proprietary trading firm and market maker headquartered in Chicago since opening its first overseas office there in 2000. Employing over 650 of IMC’s 1,600+ global workforce, it operates at the heart of North America’s financial hub, trading equities, options, futures, and other derivatives on major exchanges like the Chicago Mercantile Exchange (CME) and Chicago Board Options Exchange (CBOE). Known for its technology-driven approach, IMC-Chicago leverages advanced algorithms and low-latency systems to provide liquidity across more than 100 global venues, evolving from a trading outfit with strong tech to a tech company that trades. Under CEO Rob Defares, the firm emphasizes innovation, quantitative strategies, and a collaborative culture, making it a powerhouse in the U.S. derivatives market.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Sprott Physical Silver Trust
PSLV
|
+$344M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$297M |
| 3 |
Tesla
TSLA
|
+$235M |
| 4 |
Sprott Physical Gold and Silver Trust
CEF
|
+$177M |
| 5 |
Meta Platforms (Facebook)
META
|
+$120M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$426M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$390M |
| 3 |
NVIDIA
NVDA
|
+$72.8M |
| 4 |
Broadcom
AVGO
|
+$66.7M |
| 5 |
AST SpaceMobile
ASTS
|
+$62.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.58% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Financials | 0.16% |
| 4 | Communication Services | 0.13% |
| 5 | Industrials | 0.12% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
551
Direxion Daily S&P 500 Bear 3x ETF
SPXS
$319M
| $43.3M | 0.02% |
1,069,475
+816,668
| +323% | +$29.5M |
|
552
PUT
Constellation Brands
STZ
$22.3B
| $43.2M | 0.02% |
288,100
-429,000
| -60% | -$66.3M |
|
|
B
553
PUT
Barrick Mining
B
$60.9B
| $43.2M | 0.02% |
1,058,300
+24,300
| +2% | +$1.12M |
|
554
PUT
Hilton Worldwide
HLT
$73.7B
| $43.1M | 0.02% |
141,800
+20,900
| +17% | +$6.34M |
|
|
HUT
555
CALL
Hut 8
HUT
$12.3B
| $42.7M | 0.02% |
911,200
-507,300
| -36% | -$27.4M |
|
556
CALL
Amplify Online Retail ETF
IBUY
$110M
| $42.7M | 0.02% |
1,426,200
+1,010,700
| +243% | +$68.9M |
|
557
Alibaba
BABA
$283B
| $42.7M | 0.02% |
340,075
+32,173
| +10% | +$4.84M |
|
|
558
CALL
Hilton Worldwide
HLT
$73.7B
| $42.7M | 0.02% |
140,300
+50,400
| +56% | +$15.3M |
|
559
PUT
Marriott International
MAR
$97B
| $42.6M | 0.02% |
130,100
-12,800
| -9% | -$4.21M |
|
560
PUT
JD.com
JD
$41.1B
| $42.5M | 0.02% |
1,437,900
-1,079,800
| -43% | -$30.5M |
|
561
Floor & Decor
FND
$5.77B
| $42.5M | 0.02% |
836,951
+689,366
| +467% | +$44.9M |
|
562
CALL
Invesco S&P SmallCap Low Volatility ETF
XSLV
$248M
| $42.4M | 0.02% |
430,400
+147,600
| +52% | +$7.13M |
|
563
PUT
State Street Health Care Select Sector SPDR ETF
XLV
$41.5B
| $42.4M | 0.02% |
289,100
-386,800
| -57% | -$59.7M |
|
564
PUT
S&P Global
SPGI
$128B
| $42M | 0.02% |
98,700
+26,100
| +36% | +$12.1M |
|
565
CALL
Howmet Aerospace
HWM
$112B
| $41.9M | 0.02% |
182,000
+36,300
| +25% | +$8.46M |
|
566
CALL
Affirm
AFRM
$25B
| $41.7M | 0.02% |
910,300
-78,800
| -8% | -$4.55M |
|
567
PUT
Marathon Digital Holdings
MARA
$4.67B
| $41.7M | 0.02% |
5,105,000
+742,000
| +17% | +$6.71M |
|
568
CALL
Atlassian
TEAM
$23B
| $41.6M | 0.01% |
609,300
+304,700
| +100% | +$30M |
|
569
PUT
Best Buy
BBY
$18B
| $41.5M | 0.01% |
646,900
+356,500
| +123% | +$23.4M |
|
570
CALL
3M
MMM
$89.1B
| $41.4M | 0.01% |
285,200
-123,100
| -30% | -$19.6M |
|
571
PayPal
PYPL
$49.3B
| $41.4M | 0.01% |
915,528
+761,444
| +494% | +$36.8M |
|
572
PUT
LyondellBasell Industries
LYB
$19.8B
| $41.3M | 0.01% |
512,500
+187,800
| +58% | +$11.1M |
|
|
KFYP
573
PUT
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $41.1M | 0.01% |
1,446,900
+296,500
| +26% | +$8.43M |
|
574
PUT
Bristol-Myers Squibb
BMY
$124B
| $40.8M | 0.01% |
673,300
+37,300
| +6% | +$2.17M |
|
575
Palantir
PLTR
$318B
| $40.7M | 0.01% |
278,554
-323,299
| -54% | -$49.4M |
|
Similar funds
IMC Chicago's Q1 2026 Portfolio in Review
As of Q1 2026, IMC Chicago held 6,062 positions worth $278B, up 1.1% from $275B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $22.2B of net new capital in Q1 2026, opening 2,049 new positions and adding to 1,848 existing holdings. Its largest new stake was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
By sector, the portfolio is most concentrated in Technology at 0.58% of assets, up from 0.56% a quarter earlier, followed by Consumer Discretionary and Financials.
On the sell side, the largest reduction was Broadcom, an estimated $66.7M trimmed.
- IMC Chicago's largest Q1 2026 buy was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
- IMC Chicago added most to Sprott Physical Silver Trust in Q1 2026, an estimated $344M increase.
- IMC Chicago's biggest Q1 2026 reduction was Broadcom, cutting an estimated $66.7M.
- IMC Chicago fully exited Invesco QQQ Trust in Q1 2026, selling an estimated $426M.
- IMC Chicago's ten largest holdings make up 38% of its $278B portfolio in Q1 2026.
- IMC Chicago opened 2,049 new positions and closed 389 in Q1 2026.
- IMC Chicago's portfolio value rose 1.1% quarter-over-quarter to $278B.
Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.