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 | |
|---|---|---|---|---|---|---|
|
RDFN
6151
DELISTED
Redfin
RDFN
| $2.26M | ﹤0.01% |
35,597
-43,589
| -55% | -$2.66M |
|
|
WCN
6152
PUT
Waste Connections
WCN
$41.8B
| $2.26M | ﹤0.01% |
18,900
+1,700
| +10% | +$202K |
|
6153
CALL
iShares MSCI Germany ETF
EWG
$1.71B
| $2.26M | ﹤0.01% |
65,200
-187,100
| -74% | -$6.58M |
|
|
DUNEU
6154
DELISTED
Dune Acquisition Corporation Unit
DUNEU
| $2.25M | ﹤0.01% |
222,417
-1,956
| -0.9% | -$19.7K |
|
6155
CALL
Emcor
EME
$38B
| $2.25M | ﹤0.01% |
18,300
+5,200
| +40% | +$634K |
|
6156
PUT
Genius Sports
GENI
$2.15B
| $2.25M | ﹤0.01% |
+120,100
| New | +$2.38M |
|
|
AMRN
6157
CALL
Amarin Corp
AMRN
$297M
| $2.25M | ﹤0.01% |
25,720
-8,420
| -25% | -$827K |
|
6158
Sunoco
SUN
$14.2B
| $2.25M | ﹤0.01% |
59,761
+34,006
| +132% | +$1.21M |
|
|
ELMS
6159
CALL
DELISTED
Electric Last Mile Solutions, Inc. Class A Common stock
ELMS
| $2.25M | ﹤0.01% |
223,500
+146,000
| +188% | +$1.46M |
|
|
UFS
6160
PUT
DELISTED
DOMTAR CORPORATION (New)
UFS
| $2.25M | ﹤0.01% |
41,000
+3,800
| +10% | +$184K |
|
6161
PUT
Community Health Systems
CYH
$423M
| $2.25M | ﹤0.01% |
145,800
-35,900
| -20% | -$488K |
|
6162
CALL
Energy Recovery
ERII
$416M
| $2.25M | ﹤0.01% |
98,800
+3,400
| +4% | +$67K |
|
6163
PUT
Madrigal Pharmaceuticals
MDGL
$11.7B
| $2.25M | ﹤0.01% |
23,100
+13,700
| +146% | +$1.62M |
|
|
RADA
6164
CALL
DELISTED
Rada Electronic Industries Ltd
RADA
| $2.25M | ﹤0.01% |
184,700
-1,200
| -0.6% | -$14.7K |
|
6165
PUT
Aldeyra Therapeutics
ALDX
$94.1M
| $2.25M | ﹤0.01% |
198,500
+22,200
| +13% | +$267K |
|
6166
CVR Partners
UAN
$1.31B
| $2.25M | ﹤0.01% |
36,259
+21,964
| +154% | +$1.23M |
|
6167
PUT
YPF Sociedad Anonima ADS
YPF
$20.7B
| $2.25M | ﹤0.01% |
479,900
+348,700
| +266% | +$1.57M |
|
6168
State Street SPDR S&P Telecom ETF
XTL
$541M
| $2.24M | ﹤0.01% |
21,911
+173
| +0.8% | +$17K |
|
6169
PUT
Expeditors International
EXPD
$24.2B
| $2.24M | ﹤0.01% |
17,700
+14,900
| +532% | +$1.76M |
|
6170
CALL
Herc Holdings
HRI
$5.79B
| $2.24M | ﹤0.01% |
20,000
-5,700
| -22% | -$603K |
|
|
DVAX
6171
PUT
DELISTED
Dynavax Technologies
DVAX
| $2.24M | ﹤0.01% |
227,400
-14,100
| -6% | -$128K |
|
|
SEE
6172
CALL
DELISTED
Sealed Air
SEE
| $2.24M | ﹤0.01% |
37,800
-391,600
| -91% | -$21.1M |
|
|
SF
6173
PUT
Stifel
SF
$12.9B
| $2.24M | ﹤0.01% |
51,750
-5,775
| -10% | -$259K |
|
6174
PUT
Roundhill Sports Betting & iGaming ETF
BETZ
$50.6M
| $2.24M | ﹤0.01% |
73,700
-51,000
| -41% | -$1.6M |
|
6175
PUT
MP Materials
MP
$10.4B
| $2.24M | ﹤0.01% |
60,700
-152,800
| -72% | -$4.75M |
|
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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.