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 | |
|---|---|---|---|---|---|---|
2876
Sturm, Ruger & Co
RGR
$602M
| $10.5M | ﹤0.01% |
116,486
-98,360
| -46% | -$7.37M |
|
|
GOGL
2877
DELISTED
Golden Ocean Group
GOGL
| $10.5M | ﹤0.01% |
948,587
+464,036
| +96% | +$4.31M |
|
2878
Quantum-Si Incorporated
QSI
$162M
| $10.5M | ﹤0.01% |
+867,703
| New | +$9.09M |
|
2879
CALL
Under Armour
UAA
$2.3B
| $10.5M | ﹤0.01% |
495,000
-292,000
| -37% | -$6.51M |
|
2880
Invesco CurrencyShares Australian Dollar Trust
FXA
$98.2M
| $10.5M | ﹤0.01% |
140,446
+82,191
| +141% | +$6.3M |
|
|
NUAN
2881
PUT
DELISTED
Nuance Communications, Inc.
NUAN
| $10.5M | ﹤0.01% |
192,100
+9,100
| +5% | +$480K |
|
|
SRNE
2882
CALL
DELISTED
Sorrento Therapeutics, Inc.
SRNE
| $10.5M | ﹤0.01% |
1,079,100
+202,500
| +23% | +$1.61M |
|
2883
PUT
IPG Photonics
IPGP
$3.65B
| $10.5M | ﹤0.01% |
49,600
+10,000
| +25% | +$2.11M |
|
2884
CALL
Equity Residential
EQR
$24.7B
| $10.4M | ﹤0.01% |
135,600
-48,400
| -26% | -$3.66M |
|
|
GLS
2885
DELISTED
Gelesis Holdings, Inc.
GLS
| $10.4M | ﹤0.01% |
1,066,113
-8,649
| -0.8% | -$85K |
|
2886
iShares MSCI Singapore ETF
EWS
$1.17B
| $10.4M | ﹤0.01% |
448,858
+374,521
| +504% | +$8.84M |
|
|
PING
2887
DELISTED
Ping Identity Holding Corp.
PING
| $10.4M | ﹤0.01% |
455,139
-14,800
| -3% | -$349K |
|
2888
CALL
Carlyle Group
CG
$17.6B
| $10.4M | ﹤0.01% |
224,200
-74,200
| -25% | -$3.16M |
|
2889
Martin Marietta Materials
MLM
$32.9B
| $10.4M | ﹤0.01% |
29,587
+17,604
| +147% | +$6.27M |
|
2890
PUT
Citizens Financial Group
CFG
$31.5B
| $10.4M | ﹤0.01% |
226,900
+63,700
| +39% | +$3.01M |
|
|
SNR
2891
DELISTED
NEW SENIOR INVESTMENT GROUP INC.
SNR
| $10.4M | ﹤0.01% |
+1,181,037
| New | +$8.13M |
|
2892
Sanofi
SNY
$105B
| $10.4M | ﹤0.01% |
196,784
-131,616
| -40% | -$6.87M |
|
2893
MKS Inc
MKSI
$21B
| $10.4M | ﹤0.01% |
58,203
+44,030
| +311% | +$8M |
|
2894
Groupon
GRPN
$875M
| $10.4M | ﹤0.01% |
239,961
+186,478
| +349% | +$8.77M |
|
2895
PUT
Melco Resorts & Entertainment
MLCO
$2.17B
| $10.4M | ﹤0.01% |
624,800
-53,500
| -8% | -$970K |
|
2896
Quest Diagnostics
DGX
$25.9B
| $10.4M | ﹤0.01% |
78,449
+27,068
| +53% | +$3.54M |
|
|
UFS
2897
CALL
DELISTED
DOMTAR CORPORATION (New)
UFS
| $10.3M | ﹤0.01% |
188,100
+23,500
| +14% | +$1.14M |
|
2898
PUT
iShares MSCI Taiwan ETF
EWT
$11.5B
| $10.3M | ﹤0.01% |
161,500
+105,500
| +188% | +$6.56M |
|
2899
PUT
FuelCell Energy
FCEL
$1.79B
| $10.3M | ﹤0.01% |
38,633
+520
| +1% | +$152K |
|
2900
CALL
Bio-Rad Laboratories Class A
BIO
$9.53B
| $10.3M | ﹤0.01% |
16,000
+2,400
| +18% | +$1.46M |
|
Similar funds
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.