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 | |
|---|---|---|---|---|---|---|
4101
PUT
Olin
OLN
$2.17B
| $5.65M | ﹤0.01% |
190,200
+7,500
| +4% | +$183K |
|
4102
CALL
Direxion Daily Gold Miners Index Bear 2X ETF
DUST
$74.1M
| $5.65M | ﹤0.01% |
110,830
+91,590
| +476% | +$4.75M |
|
|
LMRI
4103
Lumexa Imaging Holdings
LMRI
$1.13B
| $5.65M | ﹤0.01% |
656,585
-193,415
| -23% | -$2.66M |
|
|
PRSU
4104
Pursuit Attractions and Hospitality Inc
PRSU
$1.31B
| $5.65M | ﹤0.01% |
154,152
+65,680
| +74% | +$2.34M |
|
|
FAZ
4105
CALL
Direxion Daily Financial Bear 3x ETF
FAZ
$88.7M
| $5.64M | ﹤0.01% |
111,210
+10,650
| +11% | +$477K |
|
4106
Gevo
GEVO
$396M
| $5.64M | ﹤0.01% |
2,064,940
+1,125,603
| +120% | +$2.33M |
|
4107
Virtus Investment Partners
VRTS
$1.12B
| $5.64M | ﹤0.01% |
+41,958
| New | +$6.19M |
|
4108
Global X Lithium & Battery Tech ETF
LIT
$1.64B
| $5.64M | ﹤0.01% |
75,805
+17,194
| +29% | +$1.23M |
|
4109
PUT
GraniteShares 2x Long AMD Daily ETF
AMDL
$1.1B
| $5.63M | ﹤0.01% |
461,500
-342,900
| -43% | -$4.99M |
|
4110
Power Integrations
POWI
$3.47B
| $5.63M | ﹤0.01% |
109,941
+101,135
| +1,148% | +$4.64M |
|
4111
PUT
DuPont de Nemours
DD
$19.3B
| $5.63M | ﹤0.01% |
40,967
-116,000
| -74% | -$16M |
|
|
PENG
4112
Penguin Solutions Inc
PENG
$3.23B
| $5.63M | ﹤0.01% |
319,619
+1,301
| +0.4% | +$24.8K |
|
4113
CALL
Oshkosh
OSK
$9.51B
| $5.62M | ﹤0.01% |
38,200
+700
| +2% | +$109K |
|
4114
PUT
Aehr Test Systems
AEHR
$4.75B
| $5.62M | ﹤0.01% |
151,600
-136,000
| -47% | -$4.35M |
|
4115
Hallador Energy
HNRG
$763M
| $5.62M | ﹤0.01% |
345,220
+218,673
| +173% | +$4.08M |
|
4116
Community Bank
CBU
$3.42B
| $5.62M | ﹤0.01% |
95,789
+13,408
| +16% | +$821K |
|
4117
PUT
Amcor
AMCR
$21.1B
| $5.62M | ﹤0.01% |
141,260
+70,160
| +99% | +$3.1M |
|
4118
CALL
Vodafone
VOD
$37.4B
| $5.61M | ﹤0.01% |
373,800
-470,600
| -56% | -$6.88M |
|
4119
iShares ESG Advanced Universal USD Bond ETF
EUSB
$710M
| $5.61M | ﹤0.01% |
128,997
+52,401
| +68% | +$2.3M |
|
|
DAWN
4120
CALL
DELISTED
Day One Biopharmaceuticals
DAWN
| $5.61M | ﹤0.01% |
261,700
+73,800
| +39% | +$1.04M |
|
4121
CALL
Huazhu Hotels Group
HTHT
$14.3B
| $5.61M | ﹤0.01% |
+111,500
| New | +$5.69M |
|
|
KREF
4122
KKR Real Estate Finance Trust
KREF
$480M
| $5.6M | ﹤0.01% |
915,236
+443,867
| +94% | +$3.24M |
|
4123
PUT
Neogen
NEOG
$2.59B
| $5.6M | ﹤0.01% |
602,500
+30,800
| +5% | +$303K |
|
4124
Cushman & Wakefield Ltd
CWK
$3.31B
| $5.59M | ﹤0.01% |
456,190
+206,565
| +83% | +$2.96M |
|
4125
PUT
ProShares Trust UltraShort Lehman 20+ Year Treasury
TBT
$316M
| $5.59M | ﹤0.01% |
159,100
+82,700
| +108% | +$2.84M |
|
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.