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 | |
|---|---|---|---|---|---|---|
2151
PUT
AGNC Investment
AGNC
$13B
| $28M | ﹤0.01% |
2,566,200
+1,004,500
| +64% | +$10.6M |
|
|
EXK
2152
Endeavour Silver
EXK
$3.16B
| $28M | ﹤0.01% |
3,377,507
+545,732
| +19% | +$5.08M |
|
|
FRMI
2153
CALL
Fermi Inc
FRMI
$4.08B
| $27.9M | ﹤0.01% |
3,046,100
-690,300
| -18% | -$4.36M |
|
2154
Coinbase
COIN
$39.2B
| $27.9M | ﹤0.01% |
190,509
-480,649
| -72% | -$86.8M |
|
2155
CALL
IES Holdings
IESC
$15.1B
| $27.8M | ﹤0.01% |
37,800
+3,600
| +11% | +$2.32M |
|
2156
CALL
Lattice Semiconductor
LSCC
$18.5B
| $27.8M | ﹤0.01% |
181,500
-58,400
| -24% | -$7.54M |
|
2157
Lifeway Foods
LWAY
$395M
| $27.8M | ﹤0.01% |
930,109
+858,228
| +1,194% | +$21.8M |
|
2158
Braze
BRZE
$3.26B
| $27.7M | ﹤0.01% |
1,278,093
-1,126,487
| -47% | -$25.1M |
|
2159
Jackson Financial
JXN
$9.17B
| $27.7M | ﹤0.01% |
270,582
+238,048
| +732% | +$25.8M |
|
2160
CALL
O'Reilly Automotive
ORLY
$73.7B
| $27.6M | ﹤0.01% |
299,600
-102,800
| -26% | -$9.38M |
|
2161
PUT
ProShares UltraPro Dow 30
UDOW
$924M
| $27.6M | ﹤0.01% |
393,500
+32,500
| +9% | +$2.01M |
|
2162
Americold
COLD
$4.25B
| $27.5M | ﹤0.01% |
1,752,466
-2,275,613
| -56% | -$31.2M |
|
2163
Autodesk
ADSK
$53.1B
| $27.5M | ﹤0.01% |
141,682
-831,814
| -85% | -$190M |
|
2164
Sempra
SRE
$56.5B
| $27.5M | ﹤0.01% |
296,960
-967,673
| -77% | -$90M |
|
2165
SharkNinja
SN
$26.1B
| $27.5M | ﹤0.01% |
180,690
-7,797
| -4% | -$934K |
|
2166
PUT
Viking Holdings
VIK
$43.7B
| $27.5M | ﹤0.01% |
262,700
+125,200
| +91% | +$10.8M |
|
2167
PUT
uniQure
QURE
$3.37B
| $27.5M | ﹤0.01% |
596,700
+126,200
| +27% | +$3.3M |
|
2168
Calumet Specialty Products
CLMT
$4.19B
| $27.5M | ﹤0.01% |
762,084
+226,051
| +42% | +$7.6M |
|
2169
PUT
BlackBerry
BB
$5.22B
| $27.4M | ﹤0.01% |
2,169,600
+1,725,200
| +388% | +$12M |
|
2170
CALL
Allstate
ALL
$66.1B
| $27.4M | ﹤0.01% |
115,200
| – | – |
|
2171
CALL
Prologis
PLD
$134B
| $27.4M | ﹤0.01% |
202,100
-69,600
| -26% | -$9.87M |
|
2172
Lyft
LYFT
$6.62B
| $27.4M | ﹤0.01% |
1,873,272
+607,871
| +48% | +$8.5M |
|
|
VGNT
2173
Versigent PLC
VGNT
$3.27B
| $27.4M | ﹤0.01% |
+651,264
| New | +$26M |
|
2174
PUT
TotalEnergies
TTE
$196B
| $27.3M | ﹤0.01% |
351,300
+54,600
| +18% | +$4.83M |
|
2175
PUT
Ares Capital
ARCC
$14.3B
| $27.3M | ﹤0.01% |
1,473,600
+733,200
| +99% | +$13.7M |
|
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.