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 |
iShares Core S&P 500 ETF
IVV
|
+$9.91B |
| 2 |
SPCX
SpaceX
SPCX
|
+$871M |
| 3 |
Eli Lilly
LLY
|
+$719M |
| 4 |
Amazon
AMZN
|
+$698M |
| 5 |
Netflix
NFLX
|
+$627M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$3B |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.54B |
| 3 |
TSMC
TSM
|
+$1.42B |
| 4 |
NVIDIA
NVDA
|
+$1.41B |
| 5 |
SNDK
Sandisk
SNDK
|
+$771M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.92% |
| 2 | Healthcare | 2.55% |
| 3 | Industrials | 2.24% |
| 4 | Financials | 2.13% |
| 5 | Consumer Discretionary | 1.76% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3976
CALL
ProShares Ultra Bloomberg Natural Gas
BOIL
$397M
| $7.56M | ﹤0.01% |
275,560
+73,460
| +36% | +$2.01M |
|
3977
PUT
Fox Class A
FOXA
$29B
| $7.56M | ﹤0.01% |
144,900
+80,100
| +124% | +$4.95M |
|
3978
PUT
FIVE9
FIVN
$2.47B
| $7.56M | ﹤0.01% |
354,400
+214,400
| +153% | +$4.23M |
|
3979
CALL
American Eagle Outfitters
AEO
$2.71B
| $7.55M | ﹤0.01% |
439,000
+55,600
| +15% | +$963K |
|
3980
Cellebrite
CLBT
$2.78B
| $7.55M | ﹤0.01% |
517,144
-919,057
| -64% | -$12.1M |
|
3981
PUT
Guardant Health
GH
$21.1B
| $7.55M | ﹤0.01% |
50,300
+27,000
| +116% | +$2.94M |
|
3982
Dorian LPG
LPG
$2.03B
| $7.53M | ﹤0.01% |
216,577
-33,851
| -14% | -$1.33M |
|
3983
PUT
Vista Energy
VIST
$7.57B
| $7.53M | ﹤0.01% |
118,000
-52,900
| -31% | -$3.72M |
|
3984
PUT
Factset
FDS
$10.1B
| $7.52M | ﹤0.01% |
32,700
-6,200
| -16% | -$1.42M |
|
3985
PUT
Kenvue
KVUE
$36.9B
| $7.52M | ﹤0.01% |
393,700
-147,700
| -27% | -$2.6M |
|
3986
CALL
Service Corp International
SCI
$11.5B
| $7.52M | ﹤0.01% |
99,000
+24,100
| +32% | +$1.88M |
|
|
BSCY
3987
Invesco BulletShares 2034 Corporate Bond ETF
BSCY
$559M
| $7.52M | ﹤0.01% |
363,902
+247,080
| +212% | +$5.12M |
|
|
TPC
3988
Tutor Perini Cor
TPC
$5.09B
| $7.51M | ﹤0.01% |
90,572
-90,857
| -50% | -$7.31M |
|
3989
PUT
EPAM Systems
EPAM
$5.18B
| $7.51M | ﹤0.01% |
94,700
+69,600
| +277% | +$7.36M |
|
3990
CALL
Brighthouse Financial
BHF
$3.37B
| $7.51M | ﹤0.01% |
118,700
-17,700
| -13% | -$1.1M |
|
3991
Customers Bancorp
CUBI
$2.82B
| $7.51M | ﹤0.01% |
94,910
+33,375
| +54% | +$2.52M |
|
3992
CALL
Replimune Group
REPL
$1.4B
| $7.5M | ﹤0.01% |
677,600
+430,600
| +174% | +$2.63M |
|
|
RZLV
3993
CALL
Rezolve AI
RZLV
$1.06B
| $7.5M | ﹤0.01% |
2,381,200
+1,813,600
| +320% | +$4.77M |
|
3994
CALL
NEOS Nasdaq 100 High Income ETF
QQQI
$14.1B
| $7.49M | ﹤0.01% |
131,900
-120,800
| -48% | -$6.64M |
|
3995
PUT
New York Times
NYT
$10.4B
| $7.49M | ﹤0.01% |
107,000
-947,100
| -90% | -$73M |
|
3996
Global X NASDAQ-100 Covered Call ETF
QYLD
$8.3B
| $7.48M | ﹤0.01% |
405,857
+225,696
| +125% | +$4.04M |
|
3997
Installed Building Products
IBP
$6.39B
| $7.48M | ﹤0.01% |
32,536
-17,479
| -35% | -$4.25M |
|
3998
VanEck Agribusiness ETF
MOO
$976M
| $7.48M | ﹤0.01% |
94,387
-26,867
| -22% | -$2.18M |
|
3999
CALL
Babcock & Wilcox
BW
$1.53B
| $7.47M | ﹤0.01% |
530,000
+6,100
| +1% | +$104K |
|
4000
CALL
Direxion Daily Gold Miners Index Bear 2X ETF
DUST
$50.4M
| $7.47M | ﹤0.01% |
117,530
+6,700
| +6% | +$347K |
|
Similar funds
Ken Griffin's Q2 2026 Portfolio in Review
As of Q2 2026, Ken Griffin held 15,447 positions worth $875B, up 41% from $618B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin deployed $103B of net new capital in Q2 2026, opening 2,575 new positions and adding to 6,089 existing holdings. Its largest new stake was SpaceX: 5,129,884 shares worth $876M.
By sector, the portfolio is most concentrated in Technology at 3.9% of assets, down from 4.5% a quarter earlier, followed by Healthcare and Industrials.
On the sell side, the largest reduction was Micron Technology, an estimated $3B trimmed.
- Ken Griffin's largest Q2 2026 buy was SpaceX: 5,129,884 shares worth $876M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q2 2026, an estimated $9.91B increase.
- Ken Griffin's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $3B.
- Ken Griffin fully exited iShares 7-10 Year Treasury Bond ETF in Q2 2026, selling an estimated $325M.
- Ken Griffin's ten largest holdings make up 23% of its $875B portfolio in Q2 2026.
- Ken Griffin opened 2,575 new positions and closed 1,872 in Q2 2026.
- Ken Griffin's portfolio value rose 41% quarter-over-quarter to $875B.
Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.