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 | |
|---|---|---|---|---|---|---|
|
CHYM
2726
PUT
Chime Financial
CHYM
$8.36B
| $1.72M | ﹤0.01% |
91,600
+28,600
| +45% | +$648K |
|
2727
HF Sinclair
DINO
$16.3B
| $1.72M | ﹤0.01% |
+27,492
| New | +$1.49M |
|
2728
PUT
Klaviyo
KVYO
$5.43B
| $1.71M | ﹤0.01% |
88,100
+30,200
| +52% | +$648K |
|
2729
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.36B
| $1.71M | ﹤0.01% |
+38,829
| New | +$1.99M |
|
2730
Eldorado Gold
EGO
$7.22B
| $1.71M | ﹤0.01% |
+49,852
| New | +$2.03M |
|
2731
Peloton Interactive
PTON
$2.82B
| $1.71M | ﹤0.01% |
398,753
+299,025
| +300% | +$1.46M |
|
2732
CALL
Oshkosh
OSK
$8.85B
| $1.71M | ﹤0.01% |
+11,600
| New | +$1.81M |
|
|
NNE
2733
PUT
Nano Nuclear Energy
NNE
$855M
| $1.7M | ﹤0.01% |
83,200
-59,600
| -42% | -$1.63M |
|
2734
PUT
Vanguard High Dividend Yield ETF
VYM
$79.7B
| $1.7M | ﹤0.01% |
11,500
-4,600
| -29% | -$692K |
|
2735
CALL
Tencent Music
TME
$15B
| $1.7M | ﹤0.01% |
183,400
-48,300
| -21% | -$714K |
|
2736
PUT
Match Group
MTCH
$9.11B
| $1.7M | ﹤0.01% |
55,400
-97,800
| -64% | -$3.05M |
|
2737
CALL
NNN REIT
NNN
$9.31B
| $1.7M | ﹤0.01% |
+40,400
| New | +$1.74M |
|
2738
CALL
Hallador Energy
HNRG
$743M
| $1.7M | ﹤0.01% |
104,300
-50,000
| -32% | -$932K |
|
2739
PUT
Zebra Technologies
ZBRA
$12.6B
| $1.69M | ﹤0.01% |
8,100
-2,700
| -25% | -$634K |
|
2740
Avista
AVA
$3.45B
| $1.69M | ﹤0.01% |
+42,115
| New | +$1.7M |
|
2741
Methanex
MEOH
$4.23B
| $1.69M | ﹤0.01% |
+28,391
| New | +$1.43M |
|
2742
CALL
APi Group
APG
$17.1B
| $1.69M | ﹤0.01% |
41,700
+28,300
| +211% | +$1.2M |
|
2743
CALL
Sun Communities
SUI
$14.8B
| $1.69M | ﹤0.01% |
+13,400
| New | +$1.73M |
|
2744
CALL
ADMA Biologics
ADMA
$2.03B
| $1.69M | ﹤0.01% |
187,300
+67,100
| +56% | +$1.06M |
|
2745
CALL
Compass Diversified
CODI
$752M
| $1.69M | ﹤0.01% |
214,700
+152,700
| +246% | +$972K |
|
2746
CALL
Labcorp
LH
$23.1B
| $1.68M | ﹤0.01% |
+6,300
| New | +$1.71M |
|
|
PONY
2747
PUT
Pony AI Inc
PONY
$2.91B
| $1.68M | ﹤0.01% |
177,900
+42,800
| +32% | +$590K |
|
2748
PUT
Antero Midstream
AM
$10.7B
| $1.68M | ﹤0.01% |
73,600
+32,700
| +80% | +$675K |
|
|
ETHD
2749
ProShares UltraShort Ether ETF
ETHD
$48.2M
| $1.68M | ﹤0.01% |
+26,633
| New | +$1.73M |
|
2750
Aurora
AUR
$11.9B
| $1.68M | ﹤0.01% |
406,570
-62,135
| -13% | -$275K |
|
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.