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 |
AT&T
T
|
+$877M |
| 2 |
Booking.com
BKNG
|
+$370M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$329M |
| 4 |
Boeing
BA
|
+$303M |
| 5 |
Walmart Inc
WMT
|
+$291M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Microsoft
MSFT
|
+$544M |
| 2 |
iShares MBS ETF
MBB
|
+$461M |
| 3 |
NVIDIA
NVDA
|
+$452M |
| 4 |
T-Mobile US
TMUS
|
+$426M |
| 5 |
Apple
AAPL
|
+$408M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.15% |
| 2 | Healthcare | 3.06% |
| 3 | Financials | 2.35% |
| 4 | Consumer Discretionary | 2.28% |
| 5 | Industrials | 1.93% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
CALY
3126
PUT
Callaway Golf Company
CALY
$2.94B
| $8.99M | ﹤0.01% |
266,400
+73,600
| +38% | +$2.37M |
|
3127
iShares iBonds Dec 2026 Term Corporate ETF
IBDR
$3.38B
| $8.98M | ﹤0.01% |
337,518
+323,759
| +2,353% | +$8.59M |
|
|
MRTX
3128
CALL
DELISTED
Mirati Therapeutics, Inc. Common Stock
MRTX
| $8.98M | ﹤0.01% |
55,600
-48,100
| -46% | -$7.72M |
|
3129
PUT
Radware
RDWR
$1.23B
| $8.97M | ﹤0.01% |
291,500
+221,700
| +318% | +$6.39M |
|
|
RAD
3130
DELISTED
Rite Aid Corporation
RAD
| $8.97M | ﹤0.01% |
550,384
+479,433
| +676% | +$9.18M |
|
|
FINM
3131
DELISTED
Marlin Technology Corporation Class A Ordinary Share
FINM
| $8.97M | ﹤0.01% |
926,747
+393,662
| +74% | +$3.82M |
|
|
HLAH
3132
DELISTED
Hamilton Lane Alliance Holdings I, Inc. Class A Common Stock
HLAH
| $8.96M | ﹤0.01% |
919,206
+248,310
| +37% | +$2.43M |
|
|
MBT
3133
DELISTED
Mobile TeleSystems Public Joint Stock Company American Depositary Shares (Each representing 2 Shares
MBT
| $8.96M | ﹤0.01% |
967,623
+796,035
| +464% | +$7.07M |
|
3134
Flowserve
FLS
$10.3B
| $8.95M | ﹤0.01% |
221,987
+76,226
| +52% | +$3.15M |
|
3135
Bio-Techne
TECH
$11.3B
| $8.94M | ﹤0.01% |
79,440
+75,332
| +1,834% | +$7.93M |
|
3136
CALL
Nabors Industries
NBR
$1.39B
| $8.94M | ﹤0.01% |
78,268
+57,368
| +274% | +$5.77M |
|
3137
CALL
Fluor
FLR
$7B
| $8.94M | ﹤0.01% |
505,100
+80,700
| +19% | +$1.66M |
|
|
ACB
3138
Aurora Cannabis
ACB
$233M
| $8.94M | ﹤0.01% |
98,834
-61,524
| -38% | -$5.33M |
|
|
PPL
3139
PUT
PPL Corp
PPL
$27.1B
| $8.93M | ﹤0.01% |
319,300
+52,100
| +19% | +$1.51M |
|
3140
Emergent Biosolutions
EBS
$235M
| $8.93M | ﹤0.01% |
141,762
+40,671
| +40% | +$2.61M |
|
|
TTM
3141
DELISTED
Tata Motors Limited
TTM
| $8.93M | ﹤0.01% |
391,832
-201,932
| -34% | -$4.33M |
|
3142
Inovio Pharmaceuticals
INO
$113M
| $8.92M | ﹤0.01% |
80,165
-3,216
| -4% | -$309K |
|
3143
PUT
Host Hotels & Resorts
HST
$15.7B
| $8.91M | ﹤0.01% |
521,400
+293,300
| +129% | +$5.11M |
|
|
GMBTU
3144
DELISTED
Pivotal Holdings Corp Unit
GMBTU
| $8.91M | ﹤0.01% |
893,500
-28,032
| -3% | -$282K |
|
|
TLND
3145
PUT
DELISTED
Talend S.A. American Depositary Shares
TLND
| $8.91M | ﹤0.01% |
135,800
-13,500
| -9% | -$874K |
|
3146
PUT
Trip.com Group
TCOM
$28.3B
| $8.9M | ﹤0.01% |
250,900
-42,300
| -14% | -$1.61M |
|
3147
Columbia Sportswear
COLM
$2.94B
| $8.89M | ﹤0.01% |
90,424
-38,604
| -30% | -$4.05M |
|
3148
CALL
Quanta Services
PWR
$103B
| $8.89M | ﹤0.01% |
98,200
+13,100
| +15% | +$1.23M |
|
3149
Perrigo
PRGO
$1.81B
| $8.89M | ﹤0.01% |
193,926
+77,404
| +66% | +$3.43M |
|
3150
PUT
Monolithic Power Systems
MPWR
$68.9B
| $8.89M | ﹤0.01% |
23,800
-18,700
| -44% | -$6.58M |
|
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Ken Griffin's Q2 2021 Portfolio in Review
As of Q2 2021, Ken Griffin held 15,073 positions worth $447B, up 9.6% from $408B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Ken Griffin's Q2 2021 filing shows 1,965 new, 5,545 increased, 5,814 reduced and 1,500 closed positions. Its largest new stake was Coinbase: 1,010,057 shares worth $256M. The largest sale was Microsoft, an estimated $544M.
By sector, the portfolio is most concentrated in Technology at 3.2% of assets, down from 3.9% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q2 2021 buy was Coinbase: 1,010,057 shares worth $256M.
- Ken Griffin added most to AT&T in Q2 2021, an estimated $877M increase.
- Ken Griffin's biggest Q2 2021 reduction was Microsoft, cutting an estimated $544M.
- Ken Griffin fully exited Varian Medical Systems, Inc. in Q2 2021, selling an estimated $197M.
- Ken Griffin's ten largest holdings make up 27% of its $447B portfolio in Q2 2021.
- Ken Griffin opened 1,965 new positions and closed 1,500 in Q2 2021.
- Ken Griffin's portfolio value rose 9.6% quarter-over-quarter to $447B.
Based on Citadel Advisors's 13F filing for Q2 2021, filed 16 Aug 2021.