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 | |
|---|---|---|---|---|---|---|
276
CALL
DoorDash
DASH
$80.2B
| $111M | 0.04% |
739,400
+15,700
| +2% | +$2.9M |
|
277
CALL
Regeneron Pharmaceuticals
REGN
$70.9B
| $110M | 0.04% |
142,600
-87,300
| -38% | -$66.8M |
|
278
CALL
Verizon
VZ
$182B
| $110M | 0.04% |
2,189,700
+683,000
| +45% | +$31.7M |
|
279
CALL
Merck
MRK
$315B
| $110M | 0.04% |
911,200
-97,800
| -10% | -$11.3M |
|
280
PUT
Freeport-McMoran
FCX
$83.9B
| $109M | 0.04% |
1,859,200
+396,800
| +27% | +$24M |
|
281
PUT
Rockwell Automation
ROK
$51.4B
| $109M | 0.04% |
304,200
+277,800
| +1,052% | +$110M |
|
282
PUT
Roblox
RBLX
$37B
| $107M | 0.04% |
1,894,700
+551,300
| +41% | +$37M |
|
283
PUT
Ciena
CIEN
$53B
| $107M | 0.04% |
275,300
-696,900
| -72% | -$213M |
|
284
Oracle
ORCL
$364B
| $106M | 0.04% |
+722,220
| New | +$117M |
|
285
CALL
Procter & Gamble
PG
$349B
| $106M | 0.04% |
732,200
-256,500
| -26% | -$38.9M |
|
286
PUT
Intuitive Surgical
ISRG
$122B
| $104M | 0.04% |
226,400
-7,100
| -3% | -$3.59M |
|
|
OKLO
287
CALL
Oklo
OKLO
$7.15B
| $104M | 0.04% |
2,102,800
-451,000
| -18% | -$32.4M |
|
288
CALL
Celestica
CLS
$34.6B
| $104M | 0.04% |
369,900
+15,400
| +4% | +$4.47M |
|
289
PUT
Synopsys
SNPS
$73.6B
| $104M | 0.04% |
262,200
-122,400
| -32% | -$55.3M |
|
290
CALL
FTAI Aviation
FTAI
$21.3B
| $104M | 0.04% |
423,500
+171,600
| +68% | +$45.4M |
|
291
PUT
Rocket Lab Corp
RKLB
$42.3B
| $103M | 0.04% |
1,605,100
-47,200
| -3% | -$3.56M |
|
292
CALL
Honeywell
HON
$71.3B
| $103M | 0.04% |
454,600
+125,900
| +38% | +$28.8M |
|
293
CALL
T-Mobile US
TMUS
$208B
| $102M | 0.04% |
487,500
+69,900
| +17% | +$14.4M |
|
294
PUT
Valero Energy
VLO
$91.9B
| $102M | 0.04% |
413,500
+6,000
| +1% | +$1.24M |
|
295
CALL
W.W. Grainger
GWW
$65.9B
| $102M | 0.04% |
93,600
+62,700
| +203% | +$68.5M |
|
|
296
Broadcom
AVGO
$1.76T
| $101M | 0.04% |
327,438
-202,819
| -38% | -$66.7M |
|
|
SCHW
297
PUT
Charles Schwab
SCHW
$177B
| $99.5M | 0.04% |
1,059,200
+63,800
| +6% | +$6.26M |
|
298
CALL
Ulta Beauty
ULTA
$20.6B
| $99.3M | 0.04% |
190,000
-20,400
| -10% | -$13M |
|
|
SCIU
299
CALL
DELISTED
Global X Scientific Beta US ETF
SCIU
| $98.6M | 0.04% |
1,417,600
+738,400
| +109% | +$51.4M |
|
300
PUT
ConocoPhillips
COP
$140B
| $98M | 0.04% |
742,200
-178,400
| -19% | -$19.8M |
|
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.