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 |
Tesla
TSLA
|
+$1.26B |
| 2 |
Microsoft
MSFT
|
+$633M |
| 3 |
Alibaba
BABA
|
+$501M |
| 4 |
ATVI
Activision Blizzard
ATVI
|
+$484M |
| 5 |
Apple
AAPL
|
+$456M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$622M |
| 2 |
ALXN
Alexion Pharmaceuticals
ALXN
|
+$597M |
| 3 |
Comcast
CMCSA
|
+$461M |
| 4 |
UnitedHealth
UNH
|
+$409M |
| 5 |
MXIM
Maxim Integrated Products
MXIM
|
+$343M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.08% |
| 2 | Consumer Discretionary | 2.25% |
| 3 | Financials | 2.23% |
| 4 | Healthcare | 2.22% |
| 5 | Industrials | 1.46% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2001
CarGurus
CARG
$3.33B
| $18.9M | ﹤0.01% |
602,959
-46,403
| -7% | -$1.35M |
|
2002
Li Auto
LI
$12B
| $18.9M | ﹤0.01% |
719,964
-1,010,589
| -58% | -$30.4M |
|
2003
CALL
Repligen
RGEN
$9.42B
| $18.9M | ﹤0.01% |
65,400
+35,200
| +117% | +$9.03M |
|
2004
Ciena
CIEN
$60.7B
| $18.9M | ﹤0.01% |
367,912
-82,601
| -18% | -$4.59M |
|
2005
Nuveen Quality Municipal Income Fund
NAD
$2.77B
| $18.9M | ﹤0.01% |
+1,209,457
| New | +$19.6M |
|
2006
Arvinas
ARVN
$587M
| $18.9M | ﹤0.01% |
229,809
+120,258
| +110% | +$10.6M |
|
2007
CALL
Mid-America Apartment Communities
MAA
$15.5B
| $18.9M | ﹤0.01% |
101,100
-15,100
| -13% | -$2.83M |
|
|
LNW
2008
CALL
DELISTED
Light & Wonder
LNW
| $18.9M | ﹤0.01% |
227,200
-6,100
| -3% | -$430K |
|
2009
A.O. Smith
AOS
$8.45B
| $18.9M | ﹤0.01% |
308,972
-383,951
| -55% | -$26.8M |
|
2010
JetBlue
JBLU
$2.13B
| $18.9M | ﹤0.01% |
1,233,442
-2,179,786
| -64% | -$33.4M |
|
2011
Nexstar Media Group
NXST
$5.84B
| $18.8M | ﹤0.01% |
123,910
-624,619
| -83% | -$92.1M |
|
2012
CALL
Huntsman Corp
HUN
$1.81B
| $18.8M | ﹤0.01% |
636,000
+353,200
| +125% | +$9.3M |
|
2013
PUT
AvalonBay Communities
AVB
$26.3B
| $18.8M | ﹤0.01% |
84,900
+6,400
| +8% | +$1.44M |
|
|
PNT
2014
DELISTED
POINT Biopharma Global Inc. Common Stock
PNT
| $18.8M | ﹤0.01% |
2,446,365
+1,946,365
| +389% | +$17.8M |
|
2015
Beam Therapeutics
BEAM
$2.76B
| $18.8M | ﹤0.01% |
216,192
+194,580
| +900% | +$19.5M |
|
2016
Peabody Energy
BTU
$3.11B
| $18.8M | ﹤0.01% |
1,271,835
+725,484
| +133% | +$9.5M |
|
2017
CALL
Nutanix
NTNX
$18B
| $18.8M | ﹤0.01% |
498,900
-278,000
| -36% | -$10.5M |
|
|
MMP
2018
PUT
DELISTED
Magellan Midstream Partners, L.P.
MMP
| $18.8M | ﹤0.01% |
412,600
+118,200
| +40% | +$5.62M |
|
2019
T. Rowe Price
TROW
$23.6B
| $18.8M | ﹤0.01% |
95,566
+27,482
| +40% | +$5.79M |
|
2020
Vodafone
VOD
$37.9B
| $18.8M | ﹤0.01% |
1,215,851
+85,243
| +8% | +$1.41M |
|
|
AVAN
2021
DELISTED
Avanti Acquisition Corp.
AVAN
| $18.8M | ﹤0.01% |
1,918,040
-1,684
| -0.1% | -$16.4K |
|
|
JWSM
2022
DELISTED
Jaws Mustang Acquisition Corp.
JWSM
| $18.8M | ﹤0.01% |
1,921,667
+742,424
| +63% | +$7.24M |
|
2023
Markel Group
MKL
$22.9B
| $18.8M | ﹤0.01% |
15,690
+12,792
| +441% | +$15.8M |
|
2024
SPDR Gold MiniShares Trust
GLDM
$30B
| $18.7M | ﹤0.01% |
+535,999
| New | +$19.1M |
|
2025
Intellia Therapeutics
NTLA
$1.67B
| $18.7M | ﹤0.01% |
139,506
-172,591
| -55% | -$26.1M |
|
Similar funds
Ken Griffin's Q3 2021 Portfolio in Review
As of Q3 2021, Ken Griffin held 15,428 positions worth $481B, up 7.8% from $447B the previous quarter. Its ten largest holdings account for 29% of the portfolio.
Ken Griffin deployed $38.1B of net new capital in Q3 2021, opening 1,885 new positions and adding to 5,794 existing holdings. Its largest new stake was Etsy: 948,509 shares worth $197M.
By sector, the portfolio is most concentrated in Technology at 3.1% of assets, down from 3.2% a quarter earlier, followed by Consumer Discretionary and Financials.
On the sell side, the largest reduction was Meta Platforms (Facebook), an estimated $622M trimmed.
- Ken Griffin's largest Q3 2021 buy was Etsy: 948,509 shares worth $197M.
- Ken Griffin added most to Tesla in Q3 2021, an estimated $1.26B increase.
- Ken Griffin's biggest Q3 2021 reduction was Meta Platforms (Facebook), cutting an estimated $622M.
- Ken Griffin fully exited Alexion Pharmaceuticals in Q3 2021, selling an estimated $597M.
- Ken Griffin's ten largest holdings make up 29% of its $481B portfolio in Q3 2021.
- Ken Griffin opened 1,885 new positions and closed 1,724 in Q3 2021.
- Ken Griffin's portfolio value rose 7.8% quarter-over-quarter to $481B.
Based on Citadel Advisors's 13F filing for Q3 2021, filed 15 Nov 2021.