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 |
Microsoft
MSFT
|
+$640M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$501M |
| 3 |
Digital Realty Trust
DLR
|
+$438M |
| 4 |
Intuitive Surgical
ISRG
|
+$437M |
| 5 |
Amazon
AMZN
|
+$420M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$545M |
| 2 |
DexCom
DXCM
|
+$457M |
| 3 |
AT&T
T
|
+$431M |
| 4 |
Palo Alto Networks
PANW
|
+$416M |
| 5 |
Humana
HUM
|
+$394M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.03% |
| 2 | Healthcare | 2.92% |
| 3 | Consumer Discretionary | 1.99% |
| 4 | Financials | 1.93% |
| 5 | Industrials | 1.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2001
Toyota
TM
$226B
| $17.1M | ﹤0.01% |
106,398
+36,614
| +52% | +$5.27M |
|
2002
CALL
Lyft
LYFT
$6.62B
| $17.1M | ﹤0.01% |
1,783,300
+121,200
| +7% | +$1.17M |
|
2003
American Airlines Group
AAL
$9.82B
| $17.1M | ﹤0.01% |
952,737
-1,802,603
| -65% | -$26.4M |
|
2004
CALL
STMicroelectronics
STM
$48.5B
| $17.1M | ﹤0.01% |
341,700
-76,700
| -18% | -$3.56M |
|
|
COOP
2005
PUT
DELISTED
Mr. Cooper
COOP
| $17M | ﹤0.01% |
336,400
-853,300
| -72% | -$39.1M |
|
2006
PUT
Annaly Capital Management
NLY
$17.6B
| $17M | ﹤0.01% |
850,525
-1,178,225
| -58% | -$22.9M |
|
2007
CALL
Public Storage
PSA
$60.9B
| $17M | ﹤0.01% |
58,300
+1,900
| +3% | +$554K |
|
2008
CALL
Omnicom Group
OMC
$24B
| $17M | ﹤0.01% |
178,700
+37,400
| +26% | +$3.47M |
|
2009
PUT
Check Point Software Technologies
CHKP
$13.4B
| $17M | ﹤0.01% |
135,300
+47,000
| +53% | +$5.92M |
|
2010
CALL
Weyerhaeuser
WY
$17.7B
| $17M | ﹤0.01% |
506,500
-142,200
| -22% | -$4.28M |
|
2011
CALL
Southern Copper
SCCO
$156B
| $17M | ﹤0.01% |
258,177
-272,914
| -51% | -$18.4M |
|
2012
PUT
Nutanix
NTNX
$18B
| $16.9M | ﹤0.01% |
603,500
+81,700
| +16% | +$2.17M |
|
2013
CALL
PennyMac Financial
PFSI
$4.05B
| $16.9M | ﹤0.01% |
240,400
-93,500
| -28% | -$5.92M |
|
2014
PUT
Inspire Medical Systems
INSP
$1.65B
| $16.9M | ﹤0.01% |
52,000
+3,900
| +8% | +$1.11M |
|
2015
MarineMax
HZO
$1.15B
| $16.9M | ﹤0.01% |
493,893
-104,952
| -18% | -$3.09M |
|
2016
CALL
Synchrony
SYF
$26.4B
| $16.8M | ﹤0.01% |
496,100
-479,400
| -49% | -$14.6M |
|
2017
Procept Biorobotics
PRCT
$1.24B
| $16.8M | ﹤0.01% |
475,611
-494,029
| -51% | -$16.3M |
|
2018
Semtech
SMTC
$13.1B
| $16.8M | ﹤0.01% |
660,010
-52,215
| -7% | -$1.13M |
|
2019
CALL
TG Therapeutics
TGTX
$7.46B
| $16.8M | ﹤0.01% |
676,100
+225,100
| +50% | +$5.81M |
|
2020
CALL
State Street SPDR S&P Bank ETF
KBE
$1.76B
| $16.8M | ﹤0.01% |
465,600
-460,100
| -50% | -$16.4M |
|
2021
CALL
HSBC
HSBC
$357B
| $16.8M | ﹤0.01% |
422,900
-293,400
| -41% | -$11M |
|
2022
PUT
GlobalFoundries
GFS
$30B
| $16.7M | ﹤0.01% |
259,300
+80,300
| +45% | +$4.86M |
|
2023
CALL
Mercer International
MERC
$31.6M
| $16.7M | ﹤0.01% |
2,073,800
+2,039,800
| +5,999% | +$18.5M |
|
2024
Cohen & Steers
CNS
$4.36B
| $16.7M | ﹤0.01% |
288,459
+115,481
| +67% | +$6.74M |
|
2025
CALL
Boyd Gaming
BYD
$6.11B
| $16.7M | ﹤0.01% |
240,900
-18,500
| -7% | -$1.24M |
|
Similar funds
Ken Griffin's Q2 2023 Portfolio in Review
As of Q2 2023, Ken Griffin held 15,826 positions worth $484B, up 6.4% from $455B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
Ken Griffin withdrew a net $16.6B in Q2 2023, closing 1,562 positions and reducing 7,223 holdings. Its most notable exit was State Street Industrial Select Sector SPDR ETF, an estimated $192M position sold in full.
By sector, the portfolio is most concentrated in Technology at 3% of assets, down from 3.2% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Ken Griffin opened a new position in BILL Holdings worth $222M.
- Ken Griffin's largest Q2 2023 buy was BILL Holdings: 1,901,064 shares worth $222M.
- Ken Griffin added most to Microsoft in Q2 2023, an estimated $640M increase.
- Ken Griffin's biggest Q2 2023 reduction was NVIDIA, cutting an estimated $545M.
- Ken Griffin fully exited State Street Industrial Select Sector SPDR ETF in Q2 2023, selling an estimated $192M.
- Ken Griffin's ten largest holdings make up 36% of its $484B portfolio in Q2 2023.
- Ken Griffin opened 1,205 new positions and closed 1,562 in Q2 2023.
- Ken Griffin's portfolio value rose 6.4% quarter-over-quarter to $484B.
Based on Citadel Advisors's 13F filing for Q2 2023, filed 14 Aug 2023.