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 | |
|---|---|---|---|---|---|---|
|
FPS
3801
CALL
Forgent Power Solutions
FPS
$10.2B
| $6.86M | ﹤0.01% |
+234,500
| New | +$7.8M |
|
3802
PUT
Vanguard Total World Stock ETF
VT
$81.8B
| $6.86M | ﹤0.01% |
49,600
+13,900
| +39% | +$2M |
|
3803
CALL
Redwire
RDW
$3.45B
| $6.86M | ﹤0.01% |
806,900
-214,100
| -21% | -$2.1M |
|
3804
Patterson-UTI
PTEN
$4.49B
| $6.84M | ﹤0.01% |
631,930
-1,692,777
| -73% | -$14.5M |
|
3805
CALL
PIMCO 25+ Year Zero Coupon US Treasury Index Exchange-Traded Fund
ZROZ
$1.31B
| $6.84M | ﹤0.01% |
106,800
+71,800
| +205% | +$4.68M |
|
3806
CALL
Enbridge
ENB
$111B
| $6.83M | ﹤0.01% |
126,200
+34,900
| +38% | +$1.78M |
|
3807
PUT
GoDaddy
GDDY
$11.9B
| $6.83M | ﹤0.01% |
82,600
+15,400
| +23% | +$1.46M |
|
3808
Corbus Pharmaceuticals
CRBP
$198M
| $6.83M | ﹤0.01% |
727,060
-116,133
| -14% | -$978K |
|
3809
Teucrium Corn Fund
CORN
$169M
| $6.82M | ﹤0.01% |
370,469
+335,905
| +972% | +$5.99M |
|
3810
CALL
ProShares K-1 Free Crude Oil Strategy ETF
OILK
$235M
| $6.81M | ﹤0.01% |
+125,900
| New | +$5.62M |
|
|
UCB
3811
United Community Banks
UCB
$4.44B
| $6.81M | ﹤0.01% |
216,224
-223,822
| -51% | -$7.37M |
|
3812
Mattel
MAT
$4.14B
| $6.8M | ﹤0.01% |
468,222
-147,765
| -24% | -$2.69M |
|
3813
CALL
Northern Oil and Gas
NOG
$2.66B
| $6.8M | ﹤0.01% |
232,500
-123,400
| -35% | -$3.19M |
|
3814
Adient
ADNT
$1.54B
| $6.79M | ﹤0.01% |
336,037
-59,417
| -15% | -$1.32M |
|
3815
ON Semiconductor
ON
$33.1B
| $6.77M | ﹤0.01% |
109,304
-274,755
| -72% | -$17.2M |
|
3816
Kinross Gold
KGC
$33.2B
| $6.76M | ﹤0.01% |
221,550
+126,026
| +132% | +$4.13M |
|
3817
PUT
Sable Offshore Corp
SOC
$760M
| $6.76M | ﹤0.01% |
409,000
-774,100
| -65% | -$9.05M |
|
3818
PUT
DaVita
DVA
$11.4B
| $6.75M | ﹤0.01% |
43,900
-56,300
| -56% | -$7.64M |
|
3819
PUT
Cedar Fair
FUN
$1.6B
| $6.73M | ﹤0.01% |
379,200
-147,944
| -28% | -$2.5M |
|
3820
CALL
Aptiv
APTV
$10.2B
| $6.72M | ﹤0.01% |
96,800
-151,100
| -61% | -$11.6M |
|
3821
Andersons Inc
ANDE
$2.28B
| $6.72M | ﹤0.01% |
93,633
-48,700
| -34% | -$3.13M |
|
|
SEI
3822
CALL
Solaris Energy Infrastructure
SEI
$4.34B
| $6.71M | ﹤0.01% |
118,700
+26,000
| +28% | +$1.41M |
|
3823
PUT
Liberty Energy
LBRT
$3.57B
| $6.71M | ﹤0.01% |
232,900
+10,800
| +5% | +$275K |
|
3824
CALL
Penumbra
PEN
$12.9B
| $6.7M | ﹤0.01% |
20,400
-1,100
| -5% | -$372K |
|
3825
CALL
Brookfield Asset Management
BAM
$85.1B
| $6.7M | ﹤0.01% |
150,700
+92,200
| +158% | +$4.5M |
|
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.