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 | 3.03% |
| 2 | Consumer Discretionary | 2.25% |
| 3 | Healthcare | 2.2% |
| 4 | Financials | 2.18% |
| 5 | Industrials | 1.46% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
726
Qiagen
QGEN
$8.93B
| $83.1M | 0.02% |
1,516,604
+1,094,847
| +260% | +$61M |
|
727
PUT
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$24.8B
| $82.9M | 0.02% |
2,069,900
+126,200
| +6% | +$5.52M |
|
|
RDS.B
728
PUT
DELISTED
Royal Dutch Shell PLC ADS Class B
RDS.B
| $82.9M | 0.02% |
1,871,500
+1,060,800
| +131% | +$42M |
|
729
Under Armour
UAA
$2.3B
| $82.7M | 0.02% |
4,099,946
+893,051
| +28% | +$19.7M |
|
730
Applied Materials
AMAT
$424B
| $82.6M | 0.02% |
641,504
-50,003
| -7% | -$6.79M |
|
731
Rio Tinto
RIO
$160B
| $82.5M | 0.02% |
1,233,997
+860,777
| +231% | +$67.2M |
|
732
Xerox
XRX
$412M
| $82.4M | 0.02% |
4,083,808
+2,864,308
| +235% | +$65M |
|
733
Western Digital
WDC
$168B
| $82.2M | 0.02% |
1,926,019
-1,032,423
| -35% | -$49M |
|
|
JHG
734
DELISTED
Janus Henderson
JHG
| $82.1M | 0.02% |
1,986,195
+1,421,085
| +251% | +$59.1M |
|
735
PUT
RingCentral
RNG
$5.66B
| $81.9M | 0.02% |
376,500
+89,200
| +31% | +$22.6M |
|
736
Illumina
ILMN
$29.1B
| $81.7M | 0.02% |
207,149
+108,069
| +109% | +$49.7M |
|
737
Centene
CNC
$32.6B
| $81.7M | 0.02% |
1,310,956
-1,150,189
| -47% | -$76.9M |
|
|
738
CALL
Rio Tinto
RIO
$160B
| $81.6M | 0.02% |
1,221,700
+403,200
| +49% | +$31.5M |
|
739
PUT
Ally Financial
ALLY
$13.6B
| $81.4M | 0.02% |
1,594,600
+46,700
| +3% | +$2.42M |
|
740
Duke Energy
DUK
$97.1B
| $81.4M | 0.02% |
833,720
+704,580
| +546% | +$72.9M |
|
741
HubSpot
HUBS
$12B
| $81.3M | 0.02% |
120,243
-282,480
| -70% | -$182M |
|
742
PUT
MGM Resorts International
MGM
$11.1B
| $81.3M | 0.02% |
1,883,800
-412,500
| -18% | -$16.8M |
|
743
PUT
Clorox
CLX
$12.9B
| $81.2M | 0.02% |
490,500
+15,900
| +3% | +$2.74M |
|
744
CALL
Cleveland-Cliffs
CLF
$6.93B
| $81.2M | 0.02% |
4,099,800
-246,840
| -6% | -$5.63M |
|
745
Leidos
LDOS
$17.9B
| $81.1M | 0.02% |
843,869
+409,216
| +94% | +$40.6M |
|
|
746
PUT
Western Digital
WDC
$168B
| $81.1M | 0.02% |
1,900,490
-75,940
| -4% | -$3.61M |
|
747
CALL
KraneShares CSI China Internet ETF
KWEB
$5.31B
| $81M | 0.02% |
1,711,300
+1,023,300
| +149% | +$53.7M |
|
748
Neurocrine Biosciences
NBIX
$15.3B
| $80.9M | 0.02% |
844,001
+176,015
| +26% | +$16.6M |
|
749
Mattel
MAT
$4.25B
| $80.5M | 0.02% |
4,335,361
+1,165,059
| +37% | +$24.1M |
|
750
CALL
Bilibili
BILI
$7.14B
| $80.4M | 0.02% |
1,215,100
-192,500
| -14% | -$16.5M |
|
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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% of assets, down from 3% a quarter earlier, followed by Consumer Discretionary and Healthcare.
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.