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 | |
|---|---|---|---|---|---|---|
3126
Timken Company
TKR
$9.25B
| $13M | ﹤0.01% |
89,256
+20,016
| +29% | +$2.41M |
|
3127
CALL
Vanguard Real Estate ETF
VNQ
$39.2B
| $13M | ﹤0.01% |
134,500
-3,400
| -2% | -$325K |
|
|
HAWK
3128
HawkEye 360 Inc
HAWK
$2.23B
| $13M | ﹤0.01% |
+641,395
| New | +$17.7M |
|
3129
iShares ESG Aware MSCI EAFE ETF
ESGD
$12.3B
| $13M | ﹤0.01% |
+126,104
| New | +$12.8M |
|
3130
CALL
Cenovus Energy
CVE
$57.2B
| $13M | ﹤0.01% |
522,500
-92,400
| -15% | -$2.55M |
|
3131
PUT
BigBear.ai
BBAI
$1.57B
| $13M | ﹤0.01% |
3,530,200
-253,700
| -7% | -$1.01M |
|
3132
CALL
Celcuity
CELC
$4.5B
| $13M | ﹤0.01% |
123,800
+10,800
| +10% | +$1.25M |
|
|
TBN
3133
Tamboran Resources
TBN
$1.28B
| $12.9M | ﹤0.01% |
398,144
+251,432
| +171% | +$9M |
|
3134
National Grid
NGG
$81.5B
| $12.9M | ﹤0.01% |
156,179
-111,851
| -42% | -$9.51M |
|
3135
CALL
APi Group
APG
$19B
| $12.9M | ﹤0.01% |
305,500
+267,800
| +710% | +$11.7M |
|
3136
PUT
Defiance Quantum ETF
QTUM
$5.84B
| $12.9M | ﹤0.01% |
78,200
+23,200
| +42% | +$3.34M |
|
3137
ZIM Integrated Shipping Services
ZIM
$3.39B
| $12.9M | ﹤0.01% |
497,225
-444,073
| -47% | -$11.5M |
|
3138
Tenaris
TS
$27B
| $12.9M | ﹤0.01% |
232,876
-59,547
| -20% | -$3.62M |
|
3139
CALL
iShares Russell 1000 Value ETF
IWD
$84.2B
| $12.9M | ﹤0.01% |
53,300
+2,100
| +4% | +$489K |
|
3140
Northern Oil and Gas
NOG
$2.61B
| $12.9M | ﹤0.01% |
+711,633
| New | +$16.9M |
|
|
3141
PUT
Celcuity
CELC
$4.5B
| $12.9M | ﹤0.01% |
123,300
+87,400
| +243% | +$10.1M |
|
3142
Fidelity High Dividend ETF
FDVV
$10.5B
| $12.9M | ﹤0.01% |
+213,763
| New | +$12.7M |
|
3143
Red Rock Resorts
RRR
$3.76B
| $12.9M | ﹤0.01% |
198,078
+180,416
| +1,021% | +$10.3M |
|
3144
PUT
Cal-Maine
CALM
$3.8B
| $12.9M | ﹤0.01% |
159,900
-10,700
| -6% | -$826K |
|
3145
DNOW Inc
DNOW
$2.97B
| $12.9M | ﹤0.01% |
992,114
+349,685
| +54% | +$4.54M |
|
3146
SolarEdge
SEDG
$1.99B
| $12.9M | ﹤0.01% |
220,115
-466,291
| -68% | -$24.4M |
|
3147
Neurogene
NGNE
$723M
| $12.9M | ﹤0.01% |
408,982
+21,951
| +6% | +$604K |
|
3148
CALL
Shake Shack
SHAK
$3.02B
| $12.9M | ﹤0.01% |
229,600
+86,900
| +61% | +$6.54M |
|
3149
CALL
Ameriprise Financial
AMP
$50.3B
| $12.8M | ﹤0.01% |
28,000
-5,700
| -17% | -$2.61M |
|
3150
Avantis International Small Cap Value ETF
AVDV
$20B
| $12.8M | ﹤0.01% |
124,463
-318,593
| -72% | -$33.9M |
|
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.