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 | |
|---|---|---|---|---|---|---|
2851
PUT
Albertsons Companies
ACI
$7.2B
| $1.51M | ﹤0.01% |
88,800
+24,200
| +37% | +$420K |
|
|
P
2852
Everpure Inc
P
$24.3B
| $1.51M | ﹤0.01% |
25,616
-43,821
| -63% | -$2.97M |
|
|
FETH
2853
CALL
Fidelity Ethereum Fund
FETH
$1.04B
| $1.51M | ﹤0.01% |
72,400
-16,700
| -19% | -$399K |
|
2854
Best Buy
BBY
$17.8B
| $1.51M | ﹤0.01% |
+23,541
| New | +$1.55M |
|
2855
PUT
Establishment Labs
ESTA
$2.83B
| $1.51M | ﹤0.01% |
26,600
-90,600
| -77% | -$6.19M |
|
2856
ProShares VIX Short-Term Futures ETF
VIXY
$203M
| $1.51M | ﹤0.01% |
+43,927
| New | +$1.26M |
|
2857
Royal Bank of Canada
RY
$293B
| $1.51M | ﹤0.01% |
9,311
-11,762
| -56% | -$1.97M |
|
|
2858
CALL
Albertsons Companies
ACI
$7.2B
| $1.5M | ﹤0.01% |
88,200
-56,400
| -39% | -$979K |
|
2859
Lamb Weston
LW
$6.51B
| $1.5M | ﹤0.01% |
35,558
-19,672
| -36% | -$878K |
|
2860
PUT
Magna International
MGA
$18.5B
| $1.5M | ﹤0.01% |
26,800
-9,500
| -26% | -$543K |
|
2861
PUT
Hudbay
HBM
$10.1B
| $1.49M | ﹤0.01% |
71,500
+43,000
| +151% | +$1.01M |
|
|
TUZ
2862
CALL
DELISTED
PIMCO 1-3 Year U.S. Treasury Index Exchange-Traded Fund
TUZ
| $1.49M | ﹤0.01% |
23,300
+2,400
| +11% | +$154K |
|
2863
PUT
XP
XP
$8.66B
| $1.49M | ﹤0.01% |
78,300
-97,100
| -55% | -$1.88M |
|
2864
PUT
SkyWater Technology
SKYT
$1.53B
| $1.49M | ﹤0.01% |
54,300
-74,500
| -58% | -$2.19M |
|
2865
CALL
Under Armour
UAA
$3.12B
| $1.49M | ﹤0.01% |
251,800
-32,400
| -11% | -$210K |
|
2866
PUT
Liberty Media Series C
FWONK
$24.4B
| $1.49M | ﹤0.01% |
+17,500
| New | +$1.53M |
|
2867
Annaly Capital Management
NLY
$16.6B
| $1.48M | ﹤0.01% |
70,202
+55,092
| +365% | +$1.25M |
|
2868
CALL
Levi Strauss
LEVI
$9.43B
| $1.48M | ﹤0.01% |
80,300
-47,500
| -37% | -$973K |
|
2869
CALL
New York Times
NYT
$12.1B
| $1.48M | ﹤0.01% |
+17,700
| New | +$1.34M |
|
2870
CALL
Magnite
MGNI
$2.7B
| $1.48M | ﹤0.01% |
124,700
-251,300
| -67% | -$3.37M |
|
2871
Direxion Daily AMZN Bear 1X ETF
AMZD
$10.7M
| $1.48M | ﹤0.01% |
+134,434
| New | +$1.42M |
|
2872
CALL
IPG Photonics
IPGP
$4.37B
| $1.48M | ﹤0.01% |
+12,900
| New | +$1.4M |
|
2873
CALL
Guardant Health
GH
$20.1B
| $1.48M | ﹤0.01% |
16,000
-11,500
| -42% | -$1.15M |
|
|
IMSR
2874
CALL
Terrestrial Energy
IMSR
$570M
| $1.48M | ﹤0.01% |
245,700
+94,400
| +62% | +$748K |
|
2875
CALL
American Battery Technology Co
ABAT
$327M
| $1.48M | ﹤0.01% |
528,800
+153,400
| +41% | +$592K |
|
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.