Ken Griffin Citadel Advisors
Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Core S&P 500 ETF
IVV
|
+$9.91B |
| 2 |
SPCX
SpaceX
SPCX
|
+$871M |
| 3 |
Eli Lilly
LLY
|
+$719M |
| 4 |
Amazon
AMZN
|
+$698M |
| 5 |
Netflix
NFLX
|
+$627M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$3B |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.54B |
| 3 |
TSMC
TSM
|
+$1.42B |
| 4 |
NVIDIA
NVDA
|
+$1.41B |
| 5 |
SNDK
Sandisk
SNDK
|
+$771M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.92% |
| 2 | Healthcare | 2.55% |
| 3 | Industrials | 2.24% |
| 4 | Financials | 2.13% |
| 5 | Consumer Discretionary | 1.76% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2426
PUT
MGM Resorts International
MGM
$11.1B
| $21.7M | ﹤0.01% |
453,900
+56,400
| +14% | +$2.34M |
|
2427
Public Storage
PSA
$60.9B
| $21.7M | ﹤0.01% |
68,141
-51,057
| -43% | -$15.6M |
|
2428
CVB Financial
CVBF
$4.09B
| $21.7M | ﹤0.01% |
961,835
+214,360
| +29% | +$4.4M |
|
2429
Archrock
AROC
$6.08B
| $21.7M | ﹤0.01% |
532,662
-756,924
| -59% | -$27.9M |
|
|
EA
2430
CALL
DELISTED
Electronic Arts
EA
| $21.7M | ﹤0.01% |
105,700
+11,700
| +12% | +$2.37M |
|
2431
Arrow Electronics
ARW
$10.9B
| $21.7M | ﹤0.01% |
101,539
+69,609
| +218% | +$13.9M |
|
2432
Hubbell
HUBB
$27B
| $21.7M | ﹤0.01% |
41,404
-453,988
| -92% | -$229M |
|
2433
PUT
Floor & Decor
FND
$6.24B
| $21.6M | ﹤0.01% |
364,500
-204,400
| -36% | -$10.3M |
|
2434
CALL
Nextpower Inc
NXT
$15.4B
| $21.6M | ﹤0.01% |
181,500
-76,600
| -30% | -$9.45M |
|
2435
PUT
GE HealthCare
GEHC
$33.3B
| $21.6M | ﹤0.01% |
337,800
-442,200
| -57% | -$29.1M |
|
2436
PUT
Veeva Systems
VEEV
$39.6B
| $21.6M | ﹤0.01% |
121,800
+86,100
| +241% | +$14.2M |
|
2437
CALL
Aurora
AUR
$13.7B
| $21.6M | ﹤0.01% |
3,166,500
+1,887,500
| +148% | +$11.5M |
|
2438
Matsons
MATX
$6.5B
| $21.6M | ﹤0.01% |
112,313
-90,692
| -45% | -$16.5M |
|
2439
CALL
SEALSQ Corp
LAES
$671M
| $21.6M | ﹤0.01% |
6,847,800
+1,576,800
| +30% | +$4.71M |
|
2440
CALL
ARK Genomic Revolution ETF
ARKG
$1.74B
| $21.6M | ﹤0.01% |
512,700
-49,800
| -9% | -$1.59M |
|
2441
CALL
United Microelectronic
UMC
$48B
| $21.6M | ﹤0.01% |
792,200
+663,500
| +516% | +$11.3M |
|
|
KLAR
2442
CALL
Klarna Group
KLAR
$7.86B
| $21.5M | ﹤0.01% |
1,064,300
+479,800
| +82% | +$7.56M |
|
2443
CALL
Chewy
CHWY
$9.18B
| $21.5M | ﹤0.01% |
1,095,600
-1,169,600
| -52% | -$26.6M |
|
2444
CALL
The GEO Group
GEO
$4.11B
| $21.5M | ﹤0.01% |
727,800
+369,900
| +103% | +$8.38M |
|
2445
CALL
Hershey
HSY
$37B
| $21.5M | ﹤0.01% |
122,500
-38,000
| -24% | -$7.17M |
|
2446
PUT
Coeur Mining
CDE
$19.3B
| $21.5M | ﹤0.01% |
1,316,100
-210,340
| -14% | -$3.83M |
|
2447
PUT
TTM Technologies
TTMI
$14.7B
| $21.5M | ﹤0.01% |
114,800
+65,500
| +133% | +$10.6M |
|
2448
PUT
iShares US Technology ETF
IYW
$25.6B
| $21.4M | ﹤0.01% |
85,000
-10,600
| -11% | -$2.43M |
|
2449
PUT
Direxion Daily Homebuilders & Supplies Bull 3X ETF
NAIL
$581M
| $21.4M | ﹤0.01% |
412,100
+52,200
| +15% | +$2.18M |
|
2450
CALL
JB Hunt Transport Services
JBHT
$26.3B
| $21.4M | ﹤0.01% |
73,900
+19,700
| +36% | +$5.06M |
|
Similar funds
Ken Griffin's Q2 2026 Portfolio in Review
As of Q2 2026, Ken Griffin held 15,447 positions worth $875B, up 41% from $618B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin deployed $103B of net new capital in Q2 2026, opening 2,575 new positions and adding to 6,089 existing holdings. Its largest new stake was SpaceX: 5,129,884 shares worth $876M.
By sector, the portfolio is most concentrated in Technology at 3.9% of assets, down from 4.5% a quarter earlier, followed by Healthcare and Industrials.
On the sell side, the largest reduction was Micron Technology, an estimated $3B trimmed.
- Ken Griffin's largest Q2 2026 buy was SpaceX: 5,129,884 shares worth $876M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q2 2026, an estimated $9.91B increase.
- Ken Griffin's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $3B.
- Ken Griffin fully exited iShares 7-10 Year Treasury Bond ETF in Q2 2026, selling an estimated $325M.
- Ken Griffin's ten largest holdings make up 23% of its $875B portfolio in Q2 2026.
- Ken Griffin opened 2,575 new positions and closed 1,872 in Q2 2026.
- Ken Griffin's portfolio value rose 41% quarter-over-quarter to $875B.
Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.