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 | |
|---|---|---|---|---|---|---|
3726
Harmonic Inc
HLIT
$1.48B
| $7.19M | ﹤0.01% |
800,818
+509,491
| +175% | +$5.06M |
|
3727
CALL
Regions Financial
RF
$27.1B
| $7.19M | ﹤0.01% |
275,300
-47,700
| -15% | -$1.33M |
|
3728
CALL
LPL Financial
LPLA
$29.4B
| $7.19M | ﹤0.01% |
23,900
-400
| -2% | -$134K |
|
3729
Goldman Sachs MarketBeta US Equity ETF
GSUS
$3.31B
| $7.18M | ﹤0.01% |
80,133
+69,481
| +652% | +$6.52M |
|
3730
Amneal Pharmaceuticals
AMRX
$6.33B
| $7.18M | ﹤0.01% |
577,419
-5,598,318
| -91% | -$75.2M |
|
3731
Essent Group
ESNT
$6.19B
| $7.17M | ﹤0.01% |
122,767
+62,783
| +105% | +$3.83M |
|
3732
PUT
Uranium Energy
UEC
$5.59B
| $7.17M | ﹤0.01% |
531,300
-656,100
| -55% | -$10.1M |
|
3733
Pultegroup
PHM
$24.6B
| $7.17M | ﹤0.01% |
60,955
-367,509
| -86% | -$47.1M |
|
3734
Watts Water Technologies
WTS
$12.8B
| $7.16M | ﹤0.01% |
24,675
-49,196
| -67% | -$15M |
|
3735
Helios Technologies
HLIO
$2.69B
| $7.16M | ﹤0.01% |
110,616
-4,023
| -4% | -$270K |
|
3736
WSFS Financial
WSFS
$4.16B
| $7.16M | ﹤0.01% |
109,326
+52,431
| +92% | +$3.31M |
|
3737
GATX Corp
GATX
$6.41B
| $7.15M | ﹤0.01% |
41,873
+39,360
| +1,566% | +$7.08M |
|
3738
CALL
GigaCloud Technology
GCT
$1.84B
| $7.15M | ﹤0.01% |
157,500
+108,400
| +221% | +$4.41M |
|
3739
CALL
MKS Inc
MKSI
$21.7B
| $7.15M | ﹤0.01% |
31,100
-13,700
| -31% | -$3.1M |
|
3740
CALL
F5
FFIV
$22.5B
| $7.15M | ﹤0.01% |
24,700
+1,600
| +7% | +$444K |
|
|
XIDV
3741
Franklin International Dividend Booster Index ETF
XIDV
$47M
| $7.15M | ﹤0.01% |
196,949
+148,223
| +304% | +$5.3M |
|
3742
Invesco DB US Dollar Index Bullish Fund
UUP
$353M
| $7.15M | ﹤0.01% |
257,205
+139,147
| +118% | +$3.79M |
|
3743
Employers Holdings
EIG
$871M
| $7.14M | ﹤0.01% |
173,615
+75,066
| +76% | +$3.17M |
|
3744
CALL
LKQ Corp
LKQ
$6.4B
| $7.14M | ﹤0.01% |
243,000
+86,500
| +55% | +$2.77M |
|
3745
PUT
Canadian Pacific Kansas City
CP
$83B
| $7.13M | ﹤0.01% |
90,700
-59,500
| -40% | -$4.7M |
|
3746
PUT
United States Gasoline Fund
UGA
$139M
| $7.13M | ﹤0.01% |
69,000
+58,800
| +576% | +$4.52M |
|
3747
City Holding Co
CHCO
$2.06B
| $7.13M | ﹤0.01% |
59,619
+15,716
| +36% | +$1.92M |
|
3748
CALL
Transmedics
TMDX
$3.02B
| $7.12M | ﹤0.01% |
71,600
-12,300
| -15% | -$1.6M |
|
3749
Plexus
PLXS
$7.29B
| $7.11M | ﹤0.01% |
35,123
+20,555
| +141% | +$3.91M |
|
3750
PUT
Delek US
DK
$4.09B
| $7.11M | ﹤0.01% |
157,800
+65,500
| +71% | +$2.34M |
|
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.