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 | |
|---|---|---|---|---|---|---|
4076
CALL
SPX Corp
SPXC
$10.9B
| $7.11M | ﹤0.01% |
29,000
+12,600
| +77% | +$2.76M |
|
4077
Evolv Technologies
EVLV
$1.05B
| $7.11M | ﹤0.01% |
1,225,168
-297,655
| -20% | -$1.86M |
|
4078
CALL
Century Aluminum
CENX
$4.62B
| $7.09M | ﹤0.01% |
154,200
-32,700
| -17% | -$1.97M |
|
4079
Seacoast Banking Corp of Florida
SBCF
$3.5B
| $7.09M | ﹤0.01% |
213,331
+179,657
| +534% | +$5.61M |
|
4080
PUT
NEOS S&P 500 High Income ETF
SPYI
$11.4B
| $7.09M | ﹤0.01% |
133,600
+88,700
| +198% | +$4.67M |
|
4081
EverQuote
EVER
$861M
| $7.09M | ﹤0.01% |
298,048
+210,529
| +241% | +$3.86M |
|
4082
Old Second Bancorp
OSBC
$1.32B
| $7.09M | ﹤0.01% |
304,021
+243,956
| +406% | +$5.22M |
|
4083
CALL
McCormick & Company Non-Voting
MKC
$14.7B
| $7.08M | ﹤0.01% |
140,400
-19,900
| -12% | -$976K |
|
|
UCB
4084
United Community Banks
UCB
$4.43B
| $7.08M | ﹤0.01% |
201,678
-14,546
| -7% | -$486K |
|
4085
iShares MSCI World ETF
URTH
$8.39B
| $7.08M | ﹤0.01% |
34,922
+24,630
| +239% | +$4.87M |
|
4086
CALL
Goldman Sachs ETF Trust Goldman Sachs Nasdaq-100 Premium Income ETF
GPIQ
$5.4B
| $7.08M | ﹤0.01% |
119,300
-20,700
| -15% | -$1.16M |
|
4087
PUT
Vanguard Morningstar Mid-Cap Value ETF
VOE
$24.6B
| $7.07M | ﹤0.01% |
35,800
+30,900
| +631% | +$5.98M |
|
4088
Bank of Marin Bancorp
BMRC
$458M
| $7.07M | ﹤0.01% |
255,290
+76,537
| +43% | +$2M |
|
4089
PUT
Vanguard World Funds Extended Duration ETF
EDV
$3.45B
| $7.07M | ﹤0.01% |
108,600
+31,200
| +40% | +$2M |
|
4090
Highwoods Properties
HIW
$3.48B
| $7.07M | ﹤0.01% |
234,277
-1,181,101
| -83% | -$30.6M |
|
4091
CALL
Mirion Technologies
MIR
$3.96B
| $7.06M | ﹤0.01% |
394,000
+184,600
| +88% | +$3.42M |
|
4092
Sturm, Ruger & Co
RGR
$602M
| $7.06M | ﹤0.01% |
186,404
-21,125
| -10% | -$849K |
|
4093
Community Bank
CBU
$3.46B
| $7.05M | ﹤0.01% |
105,104
+9,315
| +10% | +$589K |
|
|
HIMX
4094
PUT
Himax Technologies
HIMX
$2.66B
| $7.05M | ﹤0.01% |
459,800
+225,900
| +97% | +$3.51M |
|
4095
PUT
Avantis US Small Cap Value ETF
AVUV
$31.2B
| $7.05M | ﹤0.01% |
56,500
+40,900
| +262% | +$4.88M |
|
|
UNHG
4096
CALL
Leverage Shares 2X Long UNH Daily ETF
UNHG
$73.3M
| $7.05M | ﹤0.01% |
307,600
+196,900
| +178% | +$3.68M |
|
4097
CALL
Invesco
IVZ
$14.4B
| $7.05M | ﹤0.01% |
267,000
+111,000
| +71% | +$2.94M |
|
4098
CALL
Qualys
QLYS
$6.44B
| $7.04M | ﹤0.01% |
51,200
+35,700
| +230% | +$3.51M |
|
4099
Ultragenyx Pharmaceutical
RARE
$2.61B
| $7.03M | ﹤0.01% |
210,531
-1,904,960
| -90% | -$47.3M |
|
4100
PUT
RBC Bearings
RBC
$17.7B
| $7.02M | ﹤0.01% |
10,900
+3,100
| +40% | +$1.85M |
|
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.