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 | |
|---|---|---|---|---|---|---|
3026
Banc of California
BANC
$3.37B
| $1.27M | ﹤0.01% |
+72,420
| New | +$1.38M |
|
3027
CALL
Medifast
MED
$117M
| $1.27M | ﹤0.01% |
124,900
+12,900
| +12% | +$139K |
|
|
SLNO
3028
CALL
DELISTED
Soleno Therapeutics
SLNO
| $1.27M | ﹤0.01% |
38,000
+19,800
| +109% | +$776K |
|
3029
PUT
Dynatrace
DT
$12.4B
| $1.27M | ﹤0.01% |
34,400
+1,300
| +4% | +$49.7K |
|
3030
CALL
Credit Acceptance
CACC
$6.47B
| $1.27M | ﹤0.01% |
+3,000
| New | +$1.42M |
|
3031
CALL
Mid-America Apartment Communities
MAA
$15.4B
| $1.27M | ﹤0.01% |
10,400
-2,900
| -22% | -$383K |
|
3032
Viatris
VTRS
$20.5B
| $1.27M | ﹤0.01% |
93,825
+22,472
| +31% | +$314K |
|
3033
Bitdeer Technologies
BTDR
$3.04B
| $1.27M | ﹤0.01% |
146,539
-34,752
| -19% | -$365K |
|
3034
Atlanta Braves Holdings Series B
BATRK
$3.23B
| $1.27M | ﹤0.01% |
+29,656
| New | +$1.23M |
|
3035
PUT
Ormat Technologies
ORA
$6.46B
| $1.26M | ﹤0.01% |
+11,300
| New | +$1.31M |
|
3036
Teekay Tankers
TNK
$2.62B
| $1.26M | ﹤0.01% |
+17,242
| New | +$1.15M |
|
3037
PUT
SS&C Technologies
SSNC
$16.4B
| $1.26M | ﹤0.01% |
18,700
-101,400
| -84% | -$7.8M |
|
3038
PUT
BRC Group Holdings
RILY
$284M
| $1.26M | ﹤0.01% |
172,600
+95,300
| +123% | +$711K |
|
3039
CALL
RUM Group Inc
RUM
$1.7B
| $1.26M | ﹤0.01% |
247,700
+14,100
| +6% | +$81K |
|
3040
PUT
United States Gasoline Fund
UGA
$140M
| $1.26M | ﹤0.01% |
+12,200
| New | +$937K |
|
3041
CALL
Gen Digital
GEN
$15.7B
| $1.26M | ﹤0.01% |
66,900
+25,500
| +62% | +$590K |
|
3042
PUT
Alcon
ALC
$32.8B
| $1.26M | ﹤0.01% |
16,700
-4,600
| -22% | -$367K |
|
3043
Charles River Laboratories
CRL
$10.6B
| $1.26M | ﹤0.01% |
+7,293
| New | +$1.35M |
|
3044
PUT
Arbor Realty Trust
ABR
$981M
| $1.26M | ﹤0.01% |
163,100
+76,700
| +89% | +$598K |
|
3045
PUT
Concentrix
CNXC
$1.45B
| $1.26M | ﹤0.01% |
45,900
+18,100
| +65% | +$642K |
|
3046
CALL
HealthEquity
HQY
$8.17B
| $1.25M | ﹤0.01% |
15,000
+4,700
| +46% | +$386K |
|
3047
PUT
Hallador Energy
HNRG
$783M
| $1.25M | ﹤0.01% |
76,900
+63,400
| +470% | +$1.18M |
|
|
3048
CALL
Arbor Realty Trust
ABR
$981M
| $1.25M | ﹤0.01% |
161,700
+70,100
| +77% | +$547K |
|
3049
PUT
Babcock & Wilcox
BW
$1.62B
| $1.24M | ﹤0.01% |
+84,700
| New | +$890K |
|
|
SVM
3050
Silvercorp Metals
SVM
$2.11B
| $1.24M | ﹤0.01% |
115,764
+80,315
| +227% | +$884K |
|
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.