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 | |
|---|---|---|---|---|---|---|
2501
Seagate
STX
$221B
| $13.5M | ﹤0.01% |
153,381
+149,928
| +4,342% | +$13.5M |
|
2502
T. Rowe Price
TROW
$23.6B
| $13.5M | ﹤0.01% |
68,084
+49,116
| +259% | +$9.18M |
|
2503
PUT
Mid-America Apartment Communities
MAA
$15.5B
| $13.5M | ﹤0.01% |
80,000
+13,300
| +20% | +$2.12M |
|
2504
Petrobras
PBR
$115B
| $13.5M | ﹤0.01% |
1,101,401
-6,355,186
| -85% | -$62.4M |
|
|
SURF
2505
DELISTED
Surface Oncology, Inc. Common Stock
SURF
| $13.4M | ﹤0.01% |
1,801,088
+855,239
| +90% | +$6.59M |
|
2506
CALL
MSCI
MSCI
$41.4B
| $13.4M | ﹤0.01% |
25,200
-3,000
| -11% | -$1.43M |
|
2507
Sensata Technologies
ST
$6.73B
| $13.4M | ﹤0.01% |
231,697
+92,076
| +66% | +$5.37M |
|
2508
CALL
Wingstop
WING
$3.44B
| $13.4M | ﹤0.01% |
85,100
+30,600
| +56% | +$4.41M |
|
|
VRNT
2509
DELISTED
Verint Systems
VRNT
| $13.4M | ﹤0.01% |
297,476
-83,365
| -22% | -$3.87M |
|
2510
PUT
OneMain Financial
OMF
$7.56B
| $13.4M | ﹤0.01% |
223,700
+159,600
| +249% | +$9.04M |
|
|
CS
2511
PUT
DELISTED
Credit Suisse Group
CS
| $13.4M | ﹤0.01% |
1,277,000
+969,400
| +315% | +$10.3M |
|
2512
CoreCivic
CXW
$3.25B
| $13.4M | ﹤0.01% |
1,279,287
-438,357
| -26% | -$3.93M |
|
2513
Inogen
INGN
$153M
| $13.4M | ﹤0.01% |
205,499
+93,020
| +83% | +$5.89M |
|
|
ACB
2514
CALL
Aurora Cannabis
ACB
$233M
| $13.4M | ﹤0.01% |
147,992
+31,613
| +27% | +$2.74M |
|
2515
CALL
Invesco S&P 500 Equal Weight ETF
RSP
$100B
| $13.4M | ﹤0.01% |
88,700
-40,800
| -32% | -$6.07M |
|
2516
Direxion Daily Small Cap Bull 3x ETF
TNA
$1.52B
| $13.4M | ﹤0.01% |
136,572
+25,480
| +23% | +$2.37M |
|
2517
CALL
Zillow
ZG
$7.91B
| $13.4M | ﹤0.01% |
109,100
+3,600
| +3% | +$445K |
|
2518
PUT
ProShares Ultra Bloomberg Crude Oil
UCO
$430M
| $13.4M | ﹤0.01% |
683,472
+73,184
| +12% | +$1.19M |
|
2519
PUT
Affirm
AFRM
$26.2B
| $13.4M | ﹤0.01% |
198,400
-94,500
| -32% | -$6.03M |
|
2520
CALL
Digital Realty Trust
DLR
$74.1B
| $13.4M | ﹤0.01% |
88,800
-82,000
| -48% | -$12.4M |
|
2521
PUT
Corning
GLW
$143B
| $13.4M | ﹤0.01% |
326,600
-155,200
| -32% | -$6.77M |
|
2522
PUT
Axsome Therapeutics
AXSM
$11.2B
| $13.4M | ﹤0.01% |
198,000
-9,000
| -4% | -$540K |
|
|
TSIBU
2523
DELISTED
Tishman Speyer Innovation Corp. II Unit
TSIBU
| $13.3M | ﹤0.01% |
1,327,665
+362,920
| +38% | +$3.65M |
|
2524
CALL
BioMarin Pharmaceuticals
BMRN
$13B
| $13.3M | ﹤0.01% |
159,900
+23,700
| +17% | +$1.88M |
|
2525
PUT
Bumble
BMBL
$358M
| $13.3M | ﹤0.01% |
231,600
-30,600
| -12% | -$1.61M |
|
Similar funds
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.