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 | 3.03% |
| 2 | Healthcare | 3.01% |
| 3 | Financials | 2.28% |
| 4 | Consumer Discretionary | 2.27% |
| 5 | Industrials | 1.93% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
1
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$807B
| $25.9B | 5.79% |
60,443,600
-3,392,200
| -5% | -$1.42B |
|
2
CALL
Tesla
TSLA
$1.31T
| $16B | 3.59% |
70,744,200
-2,650,800
| -4% | -$575M |
|
|
3
PUT
Tesla
TSLA
$1.31T
| $14.9B | 3.34% |
65,910,000
+3,858,300
| +6% | +$838M |
|
|
4
CALL
State Street SPDR S&P 500 ETF Trust
SPY
$807B
| $14.1B | 3.16% |
32,950,300
-346,300
| -1% | -$145M |
|
5
CALL
Amazon
AMZN
$2.94T
| $13.1B | 2.94% |
76,324,000
+8,398,000
| +12% | +$1.4B |
|
|
6
PUT
Amazon
AMZN
$2.94T
| $11.9B | 2.66% |
69,180,000
+6,926,000
| +11% | +$1.15B |
|
7
PUT
Invesco QQQ Trust
QQQ
$478B
| $8.36B | 1.87% |
23,600,700
-7,440,500
| -24% | -$2.5B |
|
|
8
CALL
Invesco QQQ Trust
QQQ
$478B
| $6.83B | 1.53% |
19,274,800
-1,300,600
| -6% | -$437M |
|
|
9
CALL
Apple
AAPL
$4.45T
| $5.38B | 1.2% |
39,285,800
-20,600
| -0.1% | -$2.67M |
|
10
CALL
Meta Platforms (Facebook)
META
$1.53T
| $4.8B | 1.08% |
13,816,100
+2,391,400
| +21% | +$767M |
|
11
PUT
iShares Russell 2000 ETF
IWM
$81.8B
| $4.34B | 0.97% |
18,929,600
+1,985,100
| +12% | +$446M |
|
|
12
CALL
NVIDIA
NVDA
$5.27T
| $4.24B | 0.95% |
211,916,000
+38,092,000
| +22% | +$611M |
|
|
13
PUT
NVIDIA
NVDA
$5.27T
| $4.13B | 0.93% |
206,640,000
-9,684,000
| -4% | -$155M |
|
|
14
CALL
Microsoft
MSFT
$3.74T
| $3.82B | 0.86% |
14,105,400
+4,190,500
| +42% | +$1.07B |
|
|
15
PUT
Apple
AAPL
$4.45T
| $3.81B | 0.85% |
27,786,100
-4,772,200
| -15% | -$618M |
|
16
PUT
Alphabet (Google) Class A
GOOGL
$4.2T
| $3.75B | 0.84% |
30,738,000
-2,706,000
| -8% | -$316M |
|
|
17
CALL
Alphabet (Google) Class A
GOOGL
$4.2T
| $3.7B | 0.83% |
30,324,000
-12,926,000
| -30% | -$1.51B |
|
|
18
PUT
Meta Platforms (Facebook)
META
$1.53T
| $3.38B | 0.76% |
9,728,900
+940,000
| +11% | +$302M |
|
|
19
PUT
Microsoft
MSFT
$3.74T
| $2.86B | 0.64% |
10,543,300
+2,804,800
| +36% | +$713M |
|
20
PUT
Advanced Micro Devices
AMD
$774B
| $2.69B | 0.6% |
28,635,500
+3,572,800
| +14% | +$289M |
|
21
PUT
Alibaba
BABA
$306B
| $2.52B | 0.56% |
11,100,900
+1,879,400
| +20% | +$418M |
|
|
22
PUT
Alphabet (Google) Class C
GOOG
$4.19T
| $2.5B | 0.56% |
19,946,000
+72,000
| +0.4% | +$8.58M |
|
23
PUT
Netflix
NFLX
$311B
| $2.46B | 0.55% |
46,540,000
+5,508,000
| +13% | +$282M |
|
|
24
CALL
Alphabet (Google) Class C
GOOG
$4.19T
| $2.45B | 0.55% |
19,532,000
-2,770,000
| -12% | -$330M |
|
|
25
CALL
Netflix
NFLX
$311B
| $2.2B | 0.49% |
41,568,000
+327,000
| +0.8% | +$16.7M |
|
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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% of assets, down from 3.7% 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.