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 | |
|---|---|---|---|---|---|---|
|
SVM
3701
PUT
Silvercorp Metals
SVM
$2.11B
| $677K | ﹤0.01% |
63,000
+16,000
| +34% | +$176K |
|
3702
CALL
SS&C Technologies
SSNC
$16.4B
| $676K | ﹤0.01% |
10,000
-17,400
| -64% | -$1.34M |
|
3703
PUT
Ziff Davis
ZD
$1.93B
| $676K | ﹤0.01% |
+16,100
| New | +$592K |
|
|
TSSI
3704
PUT
TSS Inc
TSSI
$275M
| $675K | ﹤0.01% |
51,900
-4,600
| -8% | -$46.3K |
|
3705
CALL
Forum Energy Technologies
FET
$648M
| $675K | ﹤0.01% |
+11,500
| New | +$584K |
|
3706
BlackLine
BL
$1.72B
| $674K | ﹤0.01% |
+18,216
| New | +$785K |
|
3707
CALL
MSC Industrial Direct
MSM
$7.06B
| $674K | ﹤0.01% |
7,300
-54,000
| -88% | -$4.83M |
|
3708
CALL
TFI International
TFII
$12.6B
| $674K | ﹤0.01% |
6,200
-5,200
| -46% | -$581K |
|
3709
PUT
Simplify US Equity PLUS Convexity ETF
SPYC
$111M
| $673K | ﹤0.01% |
+43,900
| New | +$1.84M |
|
3710
CALL
Triple Flag Precious Metals
TFPM
$5.89B
| $673K | ﹤0.01% |
19,400
+7,200
| +59% | +$261K |
|
3711
CALL
AGCO
AGCO
$8.09B
| $672K | ﹤0.01% |
+5,800
| New | +$703K |
|
3712
CALL
Beyond Meat
BYND
$314M
| $672K | ﹤0.01% |
957,800
-1,417,700
| -60% | -$1.13M |
|
3713
CALL
Clearway Energy Class C
CWEN
$5.24B
| $672K | ﹤0.01% |
+17,100
| New | +$639K |
|
3714
CALL
CVR Partners
UAN
$1.27B
| $671K | ﹤0.01% |
5,300
-7,400
| -58% | -$847K |
|
|
NTSK
3715
CALL
Netskope Inc
NTSK
$5.38B
| $671K | ﹤0.01% |
79,000
+43,300
| +121% | +$537K |
|
3716
PUT
Skywest
SKYW
$3.77B
| $670K | ﹤0.01% |
7,300
-8,700
| -54% | -$858K |
|
3717
PUT
Aaon
AAON
$8.65B
| $670K | ﹤0.01% |
+8,100
| New | +$736K |
|
3718
Hudbay
HBM
$10.2B
| $670K | ﹤0.01% |
+32,068
| New | +$750K |
|
3719
LSB Industries
LXU
$831M
| $670K | ﹤0.01% |
+44,949
| New | +$513K |
|
3720
CALL
Sunoco
SUN
$14.1B
| $669K | ﹤0.01% |
+10,300
| New | +$625K |
|
3721
CALL
Manulife Financial
MFC
$71.2B
| $668K | ﹤0.01% |
+19,400
| New | +$698K |
|
|
BLD
3722
CALL
DELISTED
TopBuild
BLD
| $667K | ﹤0.01% |
+1,900
| New | +$851K |
|
|
DAWN
3723
CALL
DELISTED
Day One Biopharmaceuticals
DAWN
| $667K | ﹤0.01% |
+31,100
| New | +$438K |
|
3724
Leidos
LDOS
$13.2B
| $666K | ﹤0.01% |
+4,285
| New | +$769K |
|
|
GOOS
3725
PUT
Canada Goose Holdings
GOOS
$951M
| $664K | ﹤0.01% |
60,500
+5,100
| +9% | +$61.3K |
|
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.