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 | |
|---|---|---|---|---|---|---|
10526
CALL
Warrior Met Coal
HCC
$5.19B
| $384K | ﹤0.01% |
22,300
+9,200
| +70% | +$160K |
|
10527
CALL
Varex Imaging
VREX
$779M
| $384K | ﹤0.01% |
+14,300
| New | +$351K |
|
10528
CALL
eGain
EGAN
$206M
| $383K | ﹤0.01% |
33,400
+6,200
| +23% | +$63.4K |
|
10529
PUT
Fulton Financial
FULT
$4.72B
| $383K | ﹤0.01% |
24,300
+13,300
| +121% | +$227K |
|
10530
iShares Russell 2000 Growth ETF
IWO
$15.2B
| $383K | ﹤0.01% |
1,228
-12,688
| -91% | -$3.82M |
|
|
AKTS
10531
PUT
DELISTED
Akoustis Technologies Inc
AKTS
| $383K | ﹤0.01% |
35,800
+3,900
| +12% | +$41.2K |
|
|
EPZM
10532
PUT
DELISTED
Epizyme, Inc
EPZM
| $383K | ﹤0.01% |
46,100
-1,000
| -2% | -$8.43K |
|
|
BRSP
10533
PUT
BrightSpire Capital
BRSP
$633M
| $382K | ﹤0.01% |
40,600
+13,000
| +47% | +$120K |
|
10534
PUT
Liberty Broadband Class C
LBRDK
$5.21B
| $382K | ﹤0.01% |
2,200
+600
| +38% | +$96.5K |
|
10535
PUT
Littelfuse
LFUS
$11.6B
| $382K | ﹤0.01% |
1,500
-900
| -38% | -$235K |
|
10536
SAB Biotherapeutics
SABS
$337M
| $382K | ﹤0.01% |
3,830
-777
| -17% | -$77.1K |
|
10537
ProShares Short S&P500
SH
$841M
| $382K | ﹤0.01% |
6,200
-13,675
| -69% | -$868K |
|
10538
PUT
Teekay
TK
$1.09B
| $382K | ﹤0.01% |
102,600
-7,400
| -7% | -$26.2K |
|
10539
CALL
Verastem
VSTM
$596M
| $382K | ﹤0.01% |
7,825
-4,550
| -37% | -$190K |
|
10540
CALL
Allogene Therapeutics
ALLO
$708M
| $381K | ﹤0.01% |
14,600
+700
| +5% | +$20K |
|
10541
CALL
Central Garden & Pet Co
CENT
$2.74B
| $381K | ﹤0.01% |
+9,000
| New | +$404K |
|
10542
CALL
Compugen
CGEN
$228M
| $381K | ﹤0.01% |
46,000
-41,700
| -48% | -$339K |
|
10543
PUT
Amplify Video Game Tech ETF
GAMR
$40.4M
| $381K | ﹤0.01% |
4,000
-5,600
| -58% | -$544K |
|
10544
CALL
Hess Midstream
HESM
$5.2B
| $381K | ﹤0.01% |
15,100
-10,200
| -40% | -$246K |
|
10545
CALL
Innospec
IOSP
$2.31B
| $381K | ﹤0.01% |
+4,200
| New | +$416K |
|
10546
ProShares UltraShort Utilities
SDP
$4.14M
| $381K | ﹤0.01% |
5,659
+93
| +2% | +$6.01K |
|
|
SCPL
10547
PUT
DELISTED
SciPlay Corporation Class A Common Stock
SCPL
| $381K | ﹤0.01% |
22,500
-42,100
| -65% | -$725K |
|
|
VRAY
10548
PUT
DELISTED
ViewRay, Inc.
VRAY
| $381K | ﹤0.01% |
57,800
+13,900
| +32% | +$74.1K |
|
|
GNTY
10549
DELISTED
Guaranty Bancshares
GNTY
| $380K | ﹤0.01% |
+11,151
| New | +$424K |
|
10550
Holley
HLLY
$377M
| $380K | ﹤0.01% |
38,006
-11,856
| -24% | -$119K |
|
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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.