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
|
+$2.72B |
| 2 |
Meta Platforms (Facebook)
META
|
+$660M |
| 3 |
Micron Technology
MU
|
+$605M |
| 4 |
Mastercard
MA
|
+$497M |
| 5 |
Tesla
TSLA
|
+$495M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$1.33B |
| 2 |
Visa
V
|
+$1.26B |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.23B |
| 4 |
Lam Research
LRCX
|
+$699M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$681M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.49% |
| 2 | Healthcare | 2.99% |
| 3 | Financials | 2.85% |
| 4 | Industrials | 2.56% |
| 5 | Consumer Discretionary | 2.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
101
CALL
Lumentum
LITE
$63.8B
| $873M | 0.14% |
1,241,800
+742,900
| +149% | +$408M |
|
102
CALL
Chevron
CVX
$386B
| $872M | 0.14% |
4,215,866
+2,176,550
| +107% | +$397M |
|
103
PUT
State Street Energy Select Sector SPDR ETF
XLE
$39.8B
| $871M | 0.14% |
14,218,700
+3,399,100
| +31% | +$182M |
|
104
CALL
Coinbase
COIN
$39.2B
| $855M | 0.14% |
4,897,500
-717,500
| -13% | -$141M |
|
105
CALL
Citigroup
C
$228B
| $827M | 0.13% |
7,293,500
-1,150,700
| -14% | -$131M |
|
106
PUT
Walmart Inc
WMT
$901B
| $822M | 0.13% |
6,613,100
+1,402,900
| +27% | +$172M |
|
107
CALL
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
| $821M | 0.13% |
10,314,500
-4,937,000
| -32% | -$397M |
|
108
Alphabet (Google) Class A
GOOGL
$4.2T
| $817M | 0.13% |
2,840,082
-77,451
| -3% | -$24.3M |
|
109
CALL
Intel
INTC
$493B
| $812M | 0.13% |
18,391,700
-7,605,500
| -29% | -$349M |
|
110
Warner Bros
WBD
$67.9B
| $807M | 0.13% |
29,380,710
+17,601,711
| +149% | +$493M |
|
111
PUT
Seagate
STX
$186B
| $792M | 0.13% |
2,022,300
-998,500
| -33% | -$381M |
|
112
CALL
Robinhood
HOOD
$84.9B
| $788M | 0.13% |
11,372,800
-4,456,500
| -28% | -$391M |
|
|
113
Tesla
TSLA
$1.31T
| $778M | 0.13% |
2,092,309
+1,201,157
| +135% | +$495M |
|
114
PUT
iShares MSCI Emerging Markets ETF
EEM
$29.9B
| $777M | 0.13% |
13,677,000
+2,118,000
| +18% | +$125M |
|
115
CALL
First Solar
FSLR
$25.9B
| $772M | 0.12% |
3,914,500
-555,000
| -12% | -$123M |
|
116
Norfolk Southern
NSC
$75.2B
| $752M | 0.12% |
2,620,382
+81,741
| +3% | +$24.3M |
|
117
CALL
VanEck Gold Miners ETF
GDX
$27.5B
| $747M | 0.12% |
8,144,300
+4,190,800
| +106% | +$413M |
|
118
PUT
Salesforce
CRM
$162B
| $739M | 0.12% |
3,956,300
+1,553,700
| +65% | +$322M |
|
119
PUT
Boeing
BA
$184B
| $727M | 0.12% |
3,653,754
-807,802
| -18% | -$184M |
|
120
CALL
Mercado Libre
MELI
$98.4B
| $722M | 0.12% |
417,600
+135,400
| +48% | +$261M |
|
121
CALL
Spotify
SPOT
$103B
| $719M | 0.12% |
1,483,100
+423,400
| +40% | +$212M |
|
122
JPMorgan Chase
JPM
$962B
| $715M | 0.12% |
2,432,173
+1,131,436
| +87% | +$343M |
|
|
123
CALL
State Street Energy Select Sector SPDR ETF
XLE
$39.8B
| $694M | 0.11% |
11,333,500
+3,351,900
| +42% | +$180M |
|
|
124
PUT
VanEck Gold Miners ETF
GDX
$27.5B
| $693M | 0.11% |
7,548,700
-2,253,200
| -23% | -$222M |
|
125
PUT
Dell
DELL
$285B
| $692M | 0.11% |
4,216,500
+161,200
| +4% | +$21.5M |
|
Similar funds
Ken Griffin's Q1 2026 Portfolio in Review
As of Q1 2026, Ken Griffin held 14,860 positions worth $618B, down 7.1% from $666B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
Ken Griffin withdrew a net $19.5B in Q1 2026, closing 2,003 positions and reducing 5,286 holdings. Its most notable exit was CyberArk, an estimated $305M position sold in full.
By sector, the portfolio is most concentrated in Technology at 4.5% of assets, down from 4.9% a quarter earlier, followed by Healthcare and Financials.
Against the trend, Ken Griffin opened a new position in iShares 7-10 Year Treasury Bond ETF worth $327M.
- Ken Griffin's largest Q1 2026 buy was iShares 7-10 Year Treasury Bond ETF: 3,431,225 shares worth $327M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q1 2026, an estimated $2.72B increase.
- Ken Griffin's biggest Q1 2026 reduction was Amazon, cutting an estimated $1.33B.
- Ken Griffin fully exited CyberArk in Q1 2026, selling an estimated $305M.
- Ken Griffin's ten largest holdings make up 22% of its $618B portfolio in Q1 2026.
- Ken Griffin opened 2,347 new positions and closed 2,003 in Q1 2026.
- Ken Griffin's portfolio value fell 7.1% quarter-over-quarter to $618B.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.