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 | |
|---|---|---|---|---|---|---|
3051
PUT
Trump Media & Technology Group
DJT
$2.3B
| $13.7M | ﹤0.01% |
1,764,000
+157,800
| +10% | +$1.39M |
|
|
SA
3052
PUT
Seabridge Gold
SA
$3.62B
| $13.6M | ﹤0.01% |
530,100
-9,700
| -2% | -$292K |
|
3053
iShares 0-3 Month Treasury Bond ETF
SGOV
$101B
| $13.6M | ﹤0.01% |
135,473
+17,023
| +14% | +$1.71M |
|
3054
National Health Investors
NHI
$3.58B
| $13.6M | ﹤0.01% |
178,720
+45,596
| +34% | +$3.49M |
|
3055
PUT
Evercore
EVR
$11.8B
| $13.6M | ﹤0.01% |
39,900
-39,800
| -50% | -$13.6M |
|
|
HIMX
3056
CALL
Himax Technologies
HIMX
$2.66B
| $13.6M | ﹤0.01% |
886,100
+526,400
| +146% | +$8.17M |
|
3057
WD-40
WDFC
$3.08B
| $13.6M | ﹤0.01% |
55,775
-1,132
| -2% | -$242K |
|
3058
CALL
Unusual Machines
UMAC
$1.7B
| $13.6M | ﹤0.01% |
609,200
+235,100
| +63% | +$4.35M |
|
3059
Loar Holdings
LOAR
$7.25B
| $13.6M | ﹤0.01% |
168,394
-468,307
| -74% | -$29.9M |
|
3060
CALL
SharkNinja
SN
$26.1B
| $13.6M | ﹤0.01% |
89,100
+29,400
| +49% | +$3.52M |
|
3061
CALL
Krystal Biotech
KRYS
$9.83B
| $13.6M | ﹤0.01% |
36,500
+17,600
| +93% | +$5.26M |
|
3062
PUT
United Microelectronic
UMC
$48B
| $13.6M | ﹤0.01% |
498,400
+333,100
| +202% | +$5.69M |
|
|
DFTX
3063
CALL
Definium Therapeutics
DFTX
$5.73B
| $13.5M | ﹤0.01% |
288,000
+202,300
| +236% | +$5M |
|
3064
Assured Guaranty
AGO
$3.38B
| $13.5M | ﹤0.01% |
168,908
+41,542
| +33% | +$3.28M |
|
3065
PUT
J.M. Smucker
SJM
$13B
| $13.5M | ﹤0.01% |
120,300
+58,800
| +96% | +$5.99M |
|
3066
Leonardo DRS
DRS
$12.2B
| $13.5M | ﹤0.01% |
+317,046
| New | +$14.1M |
|
3067
Cracker Barrel
CBRL
$1.29B
| $13.5M | ﹤0.01% |
253,662
-176,507
| -41% | -$6.11M |
|
3068
PUT
JB Hunt Transport Services
JBHT
$26.3B
| $13.5M | ﹤0.01% |
46,700
+15,500
| +50% | +$3.98M |
|
3069
Ubiquiti
UI
$34.7B
| $13.5M | ﹤0.01% |
25,295
+22,092
| +690% | +$16.7M |
|
3070
PUT
ProShares UltraShort S&P500
SDS
$366M
| $13.5M | ﹤0.01% |
237,520
+5,700
| +2% | +$348K |
|
3071
CALL
Ventas
VTR
$46.9B
| $13.5M | ﹤0.01% |
152,100
-44,600
| -23% | -$3.8M |
|
3072
Silicon Motion
SIMO
$9.12B
| $13.5M | ﹤0.01% |
40,490
-24,100
| -37% | -$5.58M |
|
3073
iShares US Real Estate ETF
IYR
$4.59B
| $13.5M | ﹤0.01% |
131,632
-169,183
| -56% | -$17.2M |
|
3074
CALL
Idacorp
IDA
$8.25B
| $13.5M | ﹤0.01% |
88,900
+82,600
| +1,311% | +$11.9M |
|
|
DXYZ
3075
PUT
Destiny Tech100
DXYZ
$975M
| $13.4M | ﹤0.01% |
+522,000
| New | +$19.6M |
|
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.