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 | |
|---|---|---|---|---|---|---|
3401
PUT
Mueller Industries
MLI
$13B
| $886K | ﹤0.01% |
+16,000
| New | +$959K |
|
3402
CALL
Dentsply Sirona
XRAY
$2.7B
| $885K | ﹤0.01% |
76,300
+57,900
| +315% | +$722K |
|
|
STUB
3403
CALL
StubHub Holdings
STUB
$3.48B
| $885K | ﹤0.01% |
141,800
+15,200
| +12% | +$158K |
|
|
CIM
3404
CALL
Chimera Investment
CIM
$1.06B
| $884K | ﹤0.01% |
70,400
+47,600
| +209% | +$621K |
|
3405
CALL
Donaldson
DCI
$10.4B
| $883K | ﹤0.01% |
+10,400
| New | +$1M |
|
3406
PUT
Qorvo
QRVO
$7.56B
| $882K | ﹤0.01% |
11,400
-12,300
| -52% | -$995K |
|
3407
PUT
Virgin Galactic
SPCE
$329M
| $881K | ﹤0.01% |
362,700
-123,800
| -25% | -$336K |
|
3408
CALL
indie Semiconductor
INDI
$797M
| $881K | ﹤0.01% |
273,600
-18,700
| -6% | -$66K |
|
3409
PUT
Lightpath Technologies
LPTH
$650M
| $881K | ﹤0.01% |
87,800
+34,600
| +65% | +$397K |
|
3410
CALL
Mitsubishi UFJ Financial
MUFG
$241B
| $879K | ﹤0.01% |
+51,800
| New | +$922K |
|
3411
PUT
Worthington Enterprises
WOR
$2.66B
| $876K | ﹤0.01% |
+16,800
| New | +$899K |
|
3412
C3.ai
AI
$1.34B
| $875K | ﹤0.01% |
+103,964
| New | +$1.12M |
|
|
DRD
3413
CALL
DRDGold
DRD
$1.7B
| $875K | ﹤0.01% |
29,800
+7,200
| +32% | +$239K |
|
3414
Toro Company
TTC
$8.91B
| $874K | ﹤0.01% |
+9,351
| New | +$881K |
|
3415
CALL
LCI Industries
LCII
$2.6B
| $873K | ﹤0.01% |
+7,100
| New | +$971K |
|
3416
Tenaris
TS
$28.3B
| $873K | ﹤0.01% |
+15,003
| New | +$739K |
|
3417
Waters Corp
WAT
$35.1B
| $873K | ﹤0.01% |
+2,931
| New | +$1M |
|
3418
CALL
Encompass Health
EHC
$11.2B
| $871K | ﹤0.01% |
+9,000
| New | +$923K |
|
3419
iShares US Telecommunications ETF
IYZ
$1.18B
| $870K | ﹤0.01% |
+22,137
| New | +$828K |
|
3420
Cogent Communications
CCOI
$621M
| $870K | ﹤0.01% |
46,171
+35,727
| +342% | +$787K |
|
|
DPRO
3421
CALL
Draganfly
DPRO
$157M
| $869K | ﹤0.01% |
177,000
+140,100
| +380% | +$1.04M |
|
3422
Clover Health Investments
CLOV
$2.37B
| $868K | ﹤0.01% |
492,898
-150,066
| -23% | -$325K |
|
3423
Stride
LRN
$3.64B
| $867K | ﹤0.01% |
9,838
-20,677
| -68% | -$1.68M |
|
3424
Tyler Technologies
TYL
$13.1B
| $867K | ﹤0.01% |
+2,532
| New | +$943K |
|
|
VSNT
3425
CALL
Versant Media Group
VSNT
$5.09B
| $866K | ﹤0.01% |
+23,400
| New | +$789K |
|
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.