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 | |
|---|---|---|---|---|---|---|
3751
PUT
Wabtec
WAB
$44.7B
| $650K | ﹤0.01% |
+2,600
| New | +$629K |
|
3752
DaVita
DVA
$15.2B
| $648K | ﹤0.01% |
4,217
-23,216
| -85% | -$3.15M |
|
3753
CALL
Glaukos
GKOS
$8.99B
| $646K | ﹤0.01% |
+6,000
| New | +$675K |
|
3754
ProShares UltraShort Utilities
SDP
$4.03M
| $643K | ﹤0.01% |
30,106
-13,198
| -30% | -$300K |
|
3755
CALL
Brookfield Renewable
BEP
$9.76B
| $643K | ﹤0.01% |
19,700
-800
| -4% | -$24.1K |
|
|
LTM
3756
CALL
LATAM Airlines Group S.A.
LTM
$14.8B
| $643K | ﹤0.01% |
+13,000
| New | +$735K |
|
3757
CALL
LegalZoom.com
LZ
$1.26B
| $642K | ﹤0.01% |
113,200
-25,200
| -18% | -$191K |
|
3758
PUT
Lazard
LAZ
$4.28B
| $641K | ﹤0.01% |
15,100
-2,600
| -15% | -$127K |
|
3759
CALL
Agree Realty
ADC
$9.64B
| $641K | ﹤0.01% |
+8,500
| New | +$644K |
|
3760
CALL
Allegro MicroSystems
ALGM
$9.19B
| $640K | ﹤0.01% |
20,300
+3,900
| +24% | +$134K |
|
3761
AdaptHealth
AHCO
$1.53B
| $638K | ﹤0.01% |
+53,650
| New | +$549K |
|
3762
CALL
Agilon Health
AGL
$2.1B
| $638K | ﹤0.01% |
+80,700
| New | +$1.3M |
|
3763
PUT
Carbon Collective Climate Solutions US Equity ETF
CCSO
$45.9M
| $638K | ﹤0.01% |
48,200
+24,300
| +102% | +$643K |
|
3764
Casey's General Stores
CASY
$31.8B
| $636K | ﹤0.01% |
+874
| New | +$569K |
|
3765
Builders FirstSource
BLDR
$7.5B
| $636K | ﹤0.01% |
7,721
-23,967
| -76% | -$2.56M |
|
3766
PUT
Granite Construction
GVA
$5.46B
| $635K | ﹤0.01% |
+5,300
| New | +$662K |
|
3767
CALL
ProShares UltraShort Semiconductors
SSG
$45.6M
| $635K | ﹤0.01% |
10,100
-56,100
| -85% | -$1.59M |
|
|
PPIH
3768
CALL
Perma-Pipe International
PPIH
$209M
| $635K | ﹤0.01% |
21,300
+6,000
| +39% | +$185K |
|
|
CVSA
3769
CALL
Covista Inc
CVSA
$3.96B
| $634K | ﹤0.01% |
+5,500
| New | +$587K |
|
3770
AllianceBernstein
AB
$3.51B
| $634K | ﹤0.01% |
16,928
+6,142
| +57% | +$241K |
|
3771
Check Point Software Technologies
CHKP
$13.6B
| $633K | ﹤0.01% |
+4,432
| New | +$742K |
|
3772
CALL
Genius Sports
GENI
$1.78B
| $633K | ﹤0.01% |
142,900
+10,800
| +8% | +$76.9K |
|
|
ARI
3773
CALL
Apollo Commercial Real Estate
ARI
$901M
| $633K | ﹤0.01% |
+59,900
| New | +$624K |
|
3774
PUT
Qualys
QLYS
$5.06B
| $633K | ﹤0.01% |
+7,200
| New | +$798K |
|
3775
CALL
Champion Homes
SKY
$4.53B
| $632K | ﹤0.01% |
8,500
-11,800
| -58% | -$1.02M |
|
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.