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 |
Invesco QQQ Trust
QQQ
|
+$645M |
| 2 |
T-Mobile US
TMUS
|
+$640M |
| 3 |
AT&T
T
|
+$517M |
| 4 |
Humana
HUM
|
+$481M |
| 5 |
Boston Scientific
BSX
|
+$400M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Tesla
TSLA
|
+$1.24B |
| 2 |
Apple
AAPL
|
+$755M |
| 3 |
Meta Platforms (Facebook)
META
|
+$707M |
| 4 |
Caterpillar
CAT
|
+$472M |
| 5 |
Advanced Micro Devices
AMD
|
+$449M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Healthcare | 3.33% |
| 2 | Technology | 3.2% |
| 3 | Financials | 2.22% |
| 4 | Industrials | 2.17% |
| 5 | Consumer Discretionary | 2.06% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2001
Lumentum
LITE
$82.1B
| $17.7M | ﹤0.01% |
328,616
-410,189
| -56% | -$22.9M |
|
2002
General Dynamics
GD
$107B
| $17.7M | ﹤0.01% |
77,673
-79,129
| -50% | -$18.3M |
|
|
OPTU
2003
Optimum Communications Inc
OPTU
$251M
| $17.7M | ﹤0.01% |
5,180,115
+314,150
| +6% | +$1.34M |
|
|
VRN
2004
DELISTED
Veren
VRN
| $17.7M | ﹤0.01% |
2,509,261
-4,199,740
| -63% | -$29.1M |
|
2005
Super Micro Computer
SMCI
$25.8B
| $17.7M | ﹤0.01% |
+1,661,650
| New | +$15M |
|
2006
CALL
Harley-Davidson
HOG
$2.89B
| $17.7M | ﹤0.01% |
466,200
+62,200
| +15% | +$2.73M |
|
2007
Twist Bioscience
TWST
$7.44B
| $17.7M | ﹤0.01% |
1,173,828
+608,802
| +108% | +$13.4M |
|
2008
Alphatec Holdings
ATEC
$1.51B
| $17.7M | ﹤0.01% |
1,134,451
+240,527
| +27% | +$3.4M |
|
2009
Marvell Technology
MRVL
$199B
| $17.7M | ﹤0.01% |
408,485
-3,863,118
| -90% | -$163M |
|
2010
CALL
Atkore
ATKR
$3.17B
| $17.7M | ﹤0.01% |
125,900
+45,000
| +56% | +$6.1M |
|
2011
Invitation Homes
INVH
$18B
| $17.7M | ﹤0.01% |
565,571
+550,092
| +3,554% | +$17.2M |
|
2012
CALL
Polaris
PII
$3.95B
| $17.6M | ﹤0.01% |
159,500
+24,400
| +18% | +$2.7M |
|
2013
CALL
Star Bulk Carriers
SBLK
$3.24B
| $17.6M | ﹤0.01% |
835,200
-352,800
| -30% | -$7.71M |
|
2014
PUT
Ovintiv
OVV
$17.4B
| $17.6M | ﹤0.01% |
488,200
-30,300
| -6% | -$1.34M |
|
|
DQ
2015
Daqo New Energy
DQ
$991M
| $17.6M | ﹤0.01% |
375,053
+234,067
| +166% | +$10.8M |
|
2016
CALL
Johnson Controls International
JCI
$93.1B
| $17.6M | ﹤0.01% |
291,700
+19,300
| +7% | +$1.24M |
|
2017
CALL
GoDaddy
GDDY
$12B
| $17.6M | ﹤0.01% |
226,000
-18,500
| -8% | -$1.43M |
|
2018
CALL
W.P. Carey
WPC
$16.3B
| $17.6M | ﹤0.01% |
231,461
+20,012
| +9% | +$1.59M |
|
|
VISN
2019
Vistance Networks Inc
VISN
$2.66B
| $17.5M | ﹤0.01% |
2,754,206
+1,841,881
| +202% | +$13.9M |
|
2020
CALL
Agilent Technologies
A
$41.9B
| $17.5M | ﹤0.01% |
126,700
-44,600
| -26% | -$6.52M |
|
|
ONC
2021
CALL
BeOne Medicines Ltd
ONC
$39.3B
| $17.5M | ﹤0.01% |
81,300
+63,600
| +359% | +$15.3M |
|
|
LKFT
2022
Lakefront Biotherapeutics American Depositary Shares
LKFT
$1.8B
| $17.5M | ﹤0.01% |
453,118
+117,687
| +35% | +$4.84M |
|
2023
Pacira BioSciences
PCRX
$917M
| $17.5M | ﹤0.01% |
428,400
+141,034
| +49% | +$5.61M |
|
2024
WD-40
WDFC
$3.08B
| $17.5M | ﹤0.01% |
98,153
+51,480
| +110% | +$8.89M |
|
2025
CALL
Shake Shack
SHAK
$3.02B
| $17.4M | ﹤0.01% |
314,400
-270,300
| -46% | -$14.9M |
|
Similar funds
Ken Griffin's Q1 2023 Portfolio in Review
As of Q1 2023, Ken Griffin held 16,292 positions worth $455B, up 6.2% from $428B the previous quarter. Its ten largest holdings account for 33% of the portfolio.
Ken Griffin withdrew a net $26.7B in Q1 2023, closing 1,652 positions and reducing 6,687 holdings. Its most notable exit was Restaurant Brands International, an estimated $93.3M position sold in full.
By sector, the portfolio is most concentrated in Healthcare at 3.3% of assets, up from 2.9% a quarter earlier, followed by Technology and Financials.
Against the trend, Ken Griffin opened a new position in Keurig Dr Pepper worth $238M.
- Ken Griffin's largest Q1 2023 buy was Keurig Dr Pepper: 6,751,572 shares worth $238M.
- Ken Griffin added most to Invesco QQQ Trust in Q1 2023, an estimated $645M increase.
- Ken Griffin's biggest Q1 2023 reduction was Tesla, cutting an estimated $1.24B.
- Ken Griffin fully exited Restaurant Brands International in Q1 2023, selling an estimated $93.3M.
- Ken Griffin's ten largest holdings make up 33% of its $455B portfolio in Q1 2023.
- Ken Griffin opened 1,466 new positions and closed 1,652 in Q1 2023.
- Ken Griffin's portfolio value rose 6.2% quarter-over-quarter to $455B.
Based on Citadel Advisors's 13F filing for Q1 2023, filed 15 May 2023.