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Ken Griffin

Ken Griffin Citadel Advisors

AUM $618B
1-Year Est. Return 30.34%
 

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.

This Fund
S&P 500
This Quarter Est. Return
+5.94%
1 Year Est. Return
+30.34%
3 Year Est. Return
+94.87%
5 Year Est. Return
+105.94%
10 Year Est. Return
+434.06%
AUM
$447B
AUM Growth
+$39.1B
Cap. Flow
-$684M
Cap. Flow %
-0.15%
Top 10 Hldgs %
27.16%
Holding
15,073
New
1,965
Increased
5,545
Reduced
5,814
Closed
1,500

Top Buys

Rank Stock Value
1
T icon
AT&T
T
+$877M
2
BKNG icon
Booking.com
BKNG
+$370M
3
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$329M
4
BA icon
Boeing
BA
+$303M
5
WMT icon
Walmart Inc
WMT
+$291M

Top Sells

Rank Stock Value
1
MSFT icon
Microsoft
MSFT
+$544M
2
MBB icon
iShares MBS ETF
MBB
+$461M
3
NVDA icon
NVIDIA
NVDA
+$452M
4
TMUS icon
T-Mobile US
TMUS
+$426M
5
AAPL icon
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
GLUU
14826
PUT
DELISTED
Glu Mobile Inc.
GLUU
– –
-109,200
Closed -$1.36M
RP
14827
CALL
DELISTED
RealPage, Inc.
RP
– –
-20,700
Closed -$1.8M
RP
14828
DELISTED
RealPage, Inc.
RP
– –
-1,867,372
Closed -$163M
RP
14829
PUT
DELISTED
RealPage, Inc.
RP
– –
-22,700
Closed -$1.98M
GNMK
14830
CALL
DELISTED
GenMark Diagnostics, Inc
GNMK
– –
-17,100
Closed -$409K
GNMK
14831
DELISTED
GenMark Diagnostics, Inc
GNMK
– –
-443,189
Closed -$10.6M
GNMK
14832
PUT
DELISTED
GenMark Diagnostics, Inc
GNMK
– –
-29,800
Closed -$712K
EGOV
14833
DELISTED
NIC Inc
EGOV
– –
-39,821
Closed -$1.35M
DMYD
14834
CALL
DELISTED
dMY Technology Group, Inc. II
DMYD
– –
-78,300
Closed -$1.15M
DMYD
14835
DELISTED
dMY Technology Group, Inc. II
DMYD
– –
-11,788
Closed -$173K
DMYD
14836
PUT
DELISTED
dMY Technology Group, Inc. II
DMYD
– –
-24,800
Closed -$365K
IPHI
14837
CALL
DELISTED
INPHI CORPORATION
IPHI
– –
-16,900
Closed -$3.02M
IPHI
14838
DELISTED
INPHI CORPORATION
IPHI
– –
-557,683
Closed -$99.5M
IPHI
14839
PUT
DELISTED
INPHI CORPORATION
IPHI
– –
-10,600
Closed -$1.89M
FPRX
14840
CALL
DELISTED
Five Prime Therapeutics, Inc.
FPRX
– –
-10,500
Closed -$396K
FPRX
14841
PUT
DELISTED
Five Prime Therapeutics, Inc.
FPRX
– –
-15,800
Closed -$595K
VAR
14842
CALL
DELISTED
Varian Medical Systems, Inc.
VAR
– –
-2,900
Closed -$512K
VAR
14843
DELISTED
Varian Medical Systems, Inc.
VAR
– –
-1,116,392
Closed -$197M
MIK
14844
CALL
DELISTED
Michaels Stores, Inc
MIK
– –
-46,000
Closed -$1.01M
MIK
14845
PUT
DELISTED
Michaels Stores, Inc
MIK
– –
-63,000
Closed -$1.38M
GMLP
14846
DELISTED
Golar LNG Partners LP
GMLP
– –
-22,121
Closed -$77K
PS
14847
CALL
DELISTED
Pluralsight, Inc. Class A Common Stock
PS
– –
-18,000
Closed -$402K
PS
14848
DELISTED
Pluralsight, Inc. Class A Common Stock
PS
– –
-1,990,841
Closed -$44.5M
PS
14849
PUT
DELISTED
Pluralsight, Inc. Class A Common Stock
PS
– –
-18,200
Closed -$407K
CGRO
14850
CALL
DELISTED
Collective Growth Corporation Class A Common Stock
CGRO
– –
-181,300
Closed -$1.81M
592 593
594
595 596

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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.