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 | |
|---|---|---|---|---|---|---|
|
CNTA
6101
PUT
DELISTED
Centessa Pharmaceuticals
CNTA
| $1.91M | ﹤0.01% |
48,200
+10,800
| +29% | +$276K |
|
6102
PUT
Elanco Animal Health
ELAN
$11B
| $1.91M | ﹤0.01% |
80,000
+700
| +0.9% | +$17.1K |
|
6103
Xtrackers MSCI Japan Hedged Equity ETF
DBJP
$722M
| $1.91M | ﹤0.01% |
+18,947
| New | +$1.93M |
|
|
OMDA
6104
Omada Health Inc
OMDA
$1.45B
| $1.91M | ﹤0.01% |
152,234
-1,116,406
| -88% | -$15.4M |
|
6105
CALL
USA Compression Partners
USAC
$3.77B
| $1.91M | ﹤0.01% |
70,500
+43,800
| +164% | +$1.16M |
|
|
DDDD
6106
YieldMax U.S. Stocks Target Double Distribution ETF
DDDD
$6.71M
| $1.91M | ﹤0.01% |
+61,865
| New | +$1.9M |
|
6107
PUT
TORM
TRMD
$2.95B
| $1.91M | ﹤0.01% |
68,500
+43,800
| +177% | +$1.11M |
|
6108
PUT
Bruker
BRKR
$8.67B
| $1.91M | ﹤0.01% |
52,900
+37,600
| +246% | +$1.57M |
|
6109
RCI Hospitality Holdings
RICK
$207M
| $1.91M | ﹤0.01% |
83,760
-32,213
| -28% | -$759K |
|
6110
CALL
Under Armour
UAA
$2.25B
| $1.91M | ﹤0.01% |
323,200
+225,800
| +232% | +$1.46M |
|
6111
PUT
Korro Bio
KRRO
$197M
| $1.91M | ﹤0.01% |
168,700
-110,300
| -40% | -$1.21M |
|
6112
PUT
Spire Global
SPIR
$573M
| $1.91M | ﹤0.01% |
151,800
-23,400
| -13% | -$250K |
|
6113
VictoryShares US Small Cap High Div Volatility Wtd ETF
CSB
$266M
| $1.91M | ﹤0.01% |
30,909
+19,439
| +169% | +$1.2M |
|
6114
CALL
Rayonier
RYN
$6.4B
| $1.91M | ﹤0.01% |
92,534
+25,910
| +39% | +$571K |
|
|
TWO
6115
Two Harbors Investment
TWO
$1.26B
| $1.91M | ﹤0.01% |
167,034
+150,115
| +887% | +$1.68M |
|
6116
Towne Bank
TOWN
$3.46B
| $1.91M | ﹤0.01% |
56,642
-114,686
| -67% | -$3.98M |
|
6117
Service Corp International
SCI
$11.4B
| $1.91M | ﹤0.01% |
23,109
-277,257
| -92% | -$22.4M |
|
6118
iShares Core 10+ Year USD Bond ETF
ILTB
$593M
| $1.91M | ﹤0.01% |
+38,905
| New | +$1.94M |
|
|
METU
6119
Direxion Daily META Bull 2X ETF
METU
$452M
| $1.91M | ﹤0.01% |
+85,097
| New | +$2.51M |
|
6120
PUT
SELLAS Life Sciences
SLS
$2.29B
| $1.9M | ﹤0.01% |
449,800
+353,100
| +365% | +$1.58M |
|
|
ASIC
6121
Ategrity Specialty Insurance
ASIC
$1.19B
| $1.9M | ﹤0.01% |
96,184
+80,254
| +504% | +$1.55M |
|
6122
PUT
OR Royalties Inc
OR
$6.34B
| $1.9M | ﹤0.01% |
50,000
+9,900
| +25% | +$407K |
|
6123
CALL
iShares Latin America 40 ETF
ILF
$3.73B
| $1.9M | ﹤0.01% |
53,500
+19,900
| +59% | +$689K |
|
6124
Alerian MLP ETF
AMLP
$13.1B
| $1.9M | ﹤0.01% |
36,099
-103,993
| -74% | -$5.3M |
|
|
SPYQ
6125
CALL
Tradr 2X Long SPY Quarterly ETF
SPYQ
$14.2M
| $1.9M | ﹤0.01% |
+13,100
| New | +$2.09M |
|
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.