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 | |
|---|---|---|---|---|---|---|
7901
M/I Homes
MHO
$3.76B
| $1.06M | ﹤0.01% |
18,329
-44,165
| -71% | -$2.7M |
|
7902
CALL
TriNet
TNET
$3.21B
| $1.06M | ﹤0.01% |
11,200
-700
| -6% | -$60K |
|
|
PETQ
7903
PUT
DELISTED
PetIQ, Inc. Class A Common Stock
PETQ
| $1.06M | ﹤0.01% |
42,400
+19,700
| +87% | +$594K |
|
7904
Invesco BulletShares 2026 Municipal Bond ETF
BSMQ
$271M
| $1.06M | ﹤0.01% |
40,901
-28,013
| -41% | -$730K |
|
7905
PUT
Griffon
GFF
$4.59B
| $1.06M | ﹤0.01% |
43,000
+32,700
| +317% | +$780K |
|
7906
FT Vest US Equity Buffer ETF August
FAUG
$1.21B
| $1.06M | ﹤0.01% |
+28,975
| New | +$1.07M |
|
7907
CALL
Magnachip Semiconductor
MX
$124M
| $1.06M | ﹤0.01% |
59,500
-1,400
| -2% | -$27.9K |
|
7908
Barrett Business Services
BBSI
$799M
| $1.06M | ﹤0.01% |
55,388
+34,924
| +171% | +$654K |
|
7909
PUT
Casella Waste Systems
CWST
$5.72B
| $1.06M | ﹤0.01% |
+13,900
| New | +$980K |
|
7910
Schwab Fundamental US Large Company Index ETF
FNDX
$27.5B
| $1.06M | ﹤0.01% |
+58,737
| New | +$1.08M |
|
7911
PUT
AXIS Capital
AXS
$7.35B
| $1.05M | ﹤0.01% |
22,900
+800
| +4% | +$39.7K |
|
|
BCYC
7912
Bicycle Therapeutics
BCYC
$279M
| $1.05M | ﹤0.01% |
+25,347
| New | +$887K |
|
|
SLI
7913
CALL
Standard Lithium
SLI
$555M
| $1.05M | ﹤0.01% |
+129,600
| New | +$856K |
|
7914
First Trust Smith Unconstrained Bond ETF
UCON
$3.28B
| $1.05M | ﹤0.01% |
39,602
+18,154
| +85% | +$483K |
|
7915
State Street SPDR MSCI ACWI ex-US ETF
CWI
$2.86B
| $1.05M | ﹤0.01% |
+36,307
| New | +$1.08M |
|
7916
PUT
Coca-Cola Femsa
KOF
$23B
| $1.05M | ﹤0.01% |
18,700
+5,800
| +45% | +$325K |
|
7917
CALL
Varex Imaging
VREX
$778M
| $1.05M | ﹤0.01% |
37,300
+23,000
| +161% | +$638K |
|
7918
Beyond Air
XAIR
$5.09M
| $1.05M | ﹤0.01% |
237
+70
| +42% | +$254K |
|
|
EDR
7919
PUT
DELISTED
Endeavor Group Holdings, Inc.
EDR
| $1.05M | ﹤0.01% |
36,700
+13,700
| +60% | +$353K |
|
7920
PUT
Beazer Homes USA
BZH
$872M
| $1.05M | ﹤0.01% |
60,900
-11,200
| -16% | -$200K |
|
|
FOLD
7921
CALL
DELISTED
Amicus Therapeutics
FOLD
| $1.05M | ﹤0.01% |
110,100
+22,900
| +26% | +$234K |
|
7922
CALL
Horizon Technology Finance
HRZN
$339M
| $1.05M | ﹤0.01% |
64,600
+5,700
| +10% | +$97.1K |
|
7923
Enova International
ENVA
$6.52B
| $1.05M | ﹤0.01% |
30,368
-43,994
| -59% | -$1.44M |
|
7924
Modine Manufacturing
MOD
$10.7B
| $1.05M | ﹤0.01% |
92,554
-62,823
| -40% | -$877K |
|
7925
CALL
Skillsoft
SKIL
$68.3M
| $1.05M | ﹤0.01% |
4,485
-1,700
| -27% | -$330K |
|
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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.