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 | |
|---|---|---|---|---|---|---|
4551
PUT
Amplify Cybersecurity ETF
HACK
$2.98B
| $4.17M | ﹤0.01% |
68,600
+29,200
| +74% | +$1.83M |
|
4552
CALL
iShares Micro-Cap ETF
IWC
$1.52B
| $4.17M | ﹤0.01% |
28,900
-17,500
| -38% | -$2.54M |
|
4553
PUT
Tower Semiconductor
TSEM
$30B
| $4.17M | ﹤0.01% |
139,400
-4,600
| -3% | -$132K |
|
4554
CALL
Exelixis
EXEL
$12.7B
| $4.17M | ﹤0.01% |
197,100
+46,400
| +31% | +$862K |
|
|
TSE
4555
CALL
DELISTED
Trinseo
TSE
| $4.17M | ﹤0.01% |
77,200
-18,700
| -19% | -$973K |
|
4556
CALL
IonQ
IONQ
$18.7B
| $4.17M | ﹤0.01% |
400,600
+353,800
| +756% | +$3.59M |
|
4557
Barclays
BCS
$94.7B
| $4.16M | ﹤0.01% |
403,516
-402,797
| -50% | -$4.01M |
|
|
NDACU
4558
DELISTED
NightDragon Acquisition Corp. SCALE Units
NDACU
| $4.16M | ﹤0.01% |
419,239
+48,367
| +13% | +$481K |
|
4559
Dentsply Sirona
XRAY
$2.31B
| $4.16M | ﹤0.01% |
71,576
-1,285,395
| -95% | -$79.2M |
|
4560
CALL
TAL Education Group
TAL
$6.46B
| $4.15M | ﹤0.01% |
857,000
-530,400
| -38% | -$4.71M |
|
4561
Oscar Health
OSCR
$10.1B
| $4.15M | ﹤0.01% |
238,475
+80,698
| +51% | +$1.37M |
|
4562
CALL
HDFC Bank
HDB
$120B
| $4.14M | ﹤0.01% |
113,400
-24,800
| -18% | -$920K |
|
4563
ProPetro Holding
PUMP
$1.49B
| $4.14M | ﹤0.01% |
479,124
-113,969
| -19% | -$891K |
|
|
AJRD
4564
DELISTED
Aerojet Rocketdyne Holdings
AJRD
| $4.14M | ﹤0.01% |
95,145
+68,801
| +261% | +$3.07M |
|
4565
CALL
Vanguard Morningstar Mid-Cap ETF
VO
$111B
| $4.14M | ﹤0.01% |
70,000
-50,400
| -42% | -$3.05M |
|
|
ATIP
4566
DELISTED
ATI Physical Therapy, Inc.
ATIP
| $4.14M | ﹤0.01% |
21,799
+9,698
| +80% | +$2.47M |
|
|
TBHC
4567
CALL
DELISTED
The Brand House Collective
TBHC
| $4.14M | ﹤0.01% |
215,500
+105,500
| +96% | +$2.08M |
|
|
NGMS
4568
DELISTED
NeoGames S.A. Ordinary Shares
NGMS
| $4.14M | ﹤0.01% |
112,735
+91,817
| +439% | +$4.23M |
|
4569
Dorman Products
DORM
$4.05B
| $4.14M | ﹤0.01% |
43,720
+23,239
| +113% | +$2.29M |
|
4570
PUT
MP Materials
MP
$10.5B
| $4.14M | ﹤0.01% |
128,400
+67,700
| +112% | +$2.35M |
|
4571
CALL
Tetra Tech
TTEK
$9.35B
| $4.14M | ﹤0.01% |
138,500
+70,500
| +104% | +$1.94M |
|
4572
CALL
iRhythm Holdings
IRTC
$4.17B
| $4.13M | ﹤0.01% |
70,600
+7,600
| +12% | +$403K |
|
|
MIME
4573
CALL
DELISTED
Mimecast Limited
MIME
| $4.13M | ﹤0.01% |
65,000
+24,000
| +59% | +$1.47M |
|
4574
CALL
Xenon Pharmaceuticals
XENE
$6.03B
| $4.13M | ﹤0.01% |
+270,200
| New | +$4.7M |
|
4575
Kforce
KFRC
$1.04B
| $4.13M | ﹤0.01% |
69,214
-33,973
| -33% | -$2.05M |
|
Similar funds
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.