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 |
Tesla
TSLA
|
+$1.26B |
| 2 |
Microsoft
MSFT
|
+$633M |
| 3 |
Alibaba
BABA
|
+$501M |
| 4 |
ATVI
Activision Blizzard
ATVI
|
+$484M |
| 5 |
Apple
AAPL
|
+$456M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$622M |
| 2 |
ALXN
Alexion Pharmaceuticals
ALXN
|
+$597M |
| 3 |
Comcast
CMCSA
|
+$461M |
| 4 |
UnitedHealth
UNH
|
+$409M |
| 5 |
MXIM
Maxim Integrated Products
MXIM
|
+$343M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.08% |
| 2 | Consumer Discretionary | 2.25% |
| 3 | Financials | 2.23% |
| 4 | Healthcare | 2.22% |
| 5 | Industrials | 1.46% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
9776
CALL
Invesco S&P 500 High Beta ETF
SPHB
$964M
| $497K | ﹤0.01% |
6,800
-4,700
| -41% | -$345K |
|
|
HARP
9777
DELISTED
Harpoon Therapeutics, Inc. Common Stock
HARP
| $497K | ﹤0.01% |
6,293
+3,636
| +137% | +$366K |
|
|
FABC
9778
CALL
Fabric.AI Inc
FABC
$18.4M
| $496K | ﹤0.01% |
1,136
+209
| +23% | +$110K |
|
9779
CALL
Descartes Systems
DSGX
$6.53B
| $496K | ﹤0.01% |
+6,100
| New | +$462K |
|
9780
Innovator S&P Investment Grade Preferred ETF
EPRF
$68.4M
| $496K | ﹤0.01% |
20,617
+5,636
| +38% | +$137K |
|
9781
CALL
iShares Global Infrastructure ETF
IGF
$10.6B
| $496K | ﹤0.01% |
+10,800
| New | +$499K |
|
9782
Korro Bio
KRRO
$194M
| $496K | ﹤0.01% |
1,405
-750
| -35% | -$295K |
|
9783
PUT
Oxford Industries
OXM
$533M
| $496K | ﹤0.01% |
5,500
-1,800
| -25% | -$164K |
|
9784
PUT
PennantPark Floating Rate Capital
PFLT
$720M
| $496K | ﹤0.01% |
38,800
+23,400
| +152% | +$303K |
|
9785
PUT
Shenandoah Telecom
SHEN
$725M
| $496K | ﹤0.01% |
15,700
-1,400
| -8% | -$53.3K |
|
9786
Aviat Networks
AVNW
$290M
| $495K | ﹤0.01% |
15,057
-20,786
| -58% | -$718K |
|
9787
PUT
Imperial Oil
IMO
$64.9B
| $495K | ﹤0.01% |
15,700
-23,200
| -60% | -$642K |
|
|
ATHX
9788
DELISTED
Athersys, Inc. Common Stock
ATHX
| $495K | ﹤0.01% |
14,879
+5,494
| +59% | +$209K |
|
|
CVA
9789
DELISTED
Covanta Holding Corporation
CVA
| $495K | ﹤0.01% |
24,625
-240,046
| -91% | -$4.75M |
|
|
EMKR
9790
DELISTED
Emcore Corp
EMKR
| $495K | ﹤0.01% |
6,620
-8,365
| -56% | -$669K |
|
9791
PUT
Cerus
CERS
$613M
| $494K | ﹤0.01% |
81,100
+13,900
| +21% | +$81.1K |
|
9792
PUT
Calumet Specialty Products
CLMT
$4.23B
| $494K | ﹤0.01% |
62,500
+16,300
| +35% | +$112K |
|
|
EAOM
9793
DELISTED
iShares ESG Aware Moderate Allocation ETF
EAOM
| $494K | ﹤0.01% |
17,237
-10,595
| -38% | -$308K |
|
9794
CALL
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.86B
| $494K | ﹤0.01% |
13,000
+6,400
| +97% | +$251K |
|
|
HI
9795
DELISTED
Hillenbrand
HI
| $494K | ﹤0.01% |
+11,581
| New | +$508K |
|
9796
Paysign
PAYS
$733M
| $494K | ﹤0.01% |
182,866
-31,203
| -15% | -$83.6K |
|
9797
Silicom
SILC
$288M
| $494K | ﹤0.01% |
11,412
+281
| +3% | +$12.1K |
|
9798
Vanguard ESG US Corporate Bond ETF
VCEB
$1.15B
| $494K | ﹤0.01% |
6,690
-57,823
| -90% | -$4.32M |
|
9799
PUT
Vertiv
VRT
$115B
| $494K | ﹤0.01% |
+20,500
| New | +$545K |
|
|
SEI
9800
Solaris Energy Infrastructure
SEI
$4.3B
| $494K | ﹤0.01% |
59,270
-48,045
| -45% | -$390K |
|
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Ken Griffin's Q3 2021 Portfolio in Review
As of Q3 2021, Ken Griffin held 15,428 positions worth $481B, up 7.8% from $447B the previous quarter. Its ten largest holdings account for 29% of the portfolio.
Ken Griffin deployed $38.1B of net new capital in Q3 2021, opening 1,885 new positions and adding to 5,794 existing holdings. Its largest new stake was Etsy: 948,509 shares worth $197M.
By sector, the portfolio is most concentrated in Technology at 3.1% of assets, down from 3.2% a quarter earlier, followed by Consumer Discretionary and Financials.
On the sell side, the largest reduction was Meta Platforms (Facebook), an estimated $622M trimmed.
- Ken Griffin's largest Q3 2021 buy was Etsy: 948,509 shares worth $197M.
- Ken Griffin added most to Tesla in Q3 2021, an estimated $1.26B increase.
- Ken Griffin's biggest Q3 2021 reduction was Meta Platforms (Facebook), cutting an estimated $622M.
- Ken Griffin fully exited Alexion Pharmaceuticals in Q3 2021, selling an estimated $597M.
- Ken Griffin's ten largest holdings make up 29% of its $481B portfolio in Q3 2021.
- Ken Griffin opened 1,885 new positions and closed 1,724 in Q3 2021.
- Ken Griffin's portfolio value rose 7.8% quarter-over-quarter to $481B.
Based on Citadel Advisors's 13F filing for Q3 2021, filed 15 Nov 2021.