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 | |
|---|---|---|---|---|---|---|
|
RERE
3751
ATRenew
RERE
$1.01B
| $8.63M | ﹤0.01% |
+2,230,500
| New | +$9.9M |
|
|
SAIL
3752
SailPoint Inc
SAIL
$11.1B
| $8.62M | ﹤0.01% |
589,042
-4,461,948
| -88% | -$60.8M |
|
3753
Gibraltar Industries
ROCK
$1.42B
| $8.62M | ﹤0.01% |
191,107
+72,658
| +61% | +$2.85M |
|
3754
PUT
American Water Works
AWK
$27.1B
| $8.62M | ﹤0.01% |
65,500
+2,500
| +4% | +$321K |
|
3755
ProShares Ultra Silver
AGQ
$1.43B
| $8.62M | ﹤0.01% |
126,692
-181,957
| -59% | -$20.1M |
|
3756
Theravance Biopharma
TBPH
$881M
| $8.61M | ﹤0.01% |
506,668
+420,577
| +489% | +$6.96M |
|
3757
CALL
Floor & Decor
FND
$6.24B
| $8.61M | ﹤0.01% |
145,100
-78,500
| -35% | -$3.97M |
|
3758
PUT
Unusual Machines
UMAC
$1.7B
| $8.61M | ﹤0.01% |
386,200
-6,500
| -2% | -$120K |
|
3759
Insight Enterprises
NSIT
$4.53B
| $8.61M | ﹤0.01% |
70,691
+14,759
| +26% | +$1.35M |
|
3760
CALL
United States Antimony
UAMY
$825M
| $8.61M | ﹤0.01% |
1,185,800
-219,200
| -16% | -$1.98M |
|
3761
PUT
Direxion Daily MSFT Bull 2X ETF
MSFU
$770M
| $8.6M | ﹤0.01% |
389,400
+203,900
| +110% | +$5.5M |
|
3762
CALL
Archer Aviation
ACHR
$5.1B
| $8.6M | ﹤0.01% |
1,818,500
-1,654,400
| -48% | -$9.62M |
|
3763
PUT
Invesco Solar ETF
TAN
$1.36B
| $8.59M | ﹤0.01% |
145,200
+52,300
| +56% | +$3.18M |
|
3764
CALL
Idexx Laboratories
IDXX
$43.4B
| $8.58M | ﹤0.01% |
16,300
-7,400
| -31% | -$4.15M |
|
3765
Starwood Property Trust
STWD
$6.03B
| $8.58M | ﹤0.01% |
523,775
+401,318
| +328% | +$6.98M |
|
3766
CALL
Genmab
GMAB
$19.6B
| $8.58M | ﹤0.01% |
312,300
+139,800
| +81% | +$3.72M |
|
3767
Pathward Financial
CASH
$1.8B
| $8.56M | ﹤0.01% |
98,349
+54,355
| +124% | +$4.7M |
|
3768
Surf Air Mobility
SRFM
$89.8M
| $8.56M | ﹤0.01% |
+7,380,092
| New | +$8.55M |
|
3769
PUT
Mettler-Toledo International
MTD
$28.4B
| $8.56M | ﹤0.01% |
6,700
+700
| +12% | +$844K |
|
|
EMBJ
3770
PUT
Embraer S.A. ADS
EMBJ
$13.4B
| $8.56M | ﹤0.01% |
134,100
+35,000
| +35% | +$2.15M |
|
3771
iShares Asia 50 ETF
AIA
$5.06B
| $8.55M | ﹤0.01% |
60,325
+21,344
| +55% | +$2.8M |
|
3772
Preformed Line Products
PLPC
$2.27B
| $8.54M | ﹤0.01% |
+20,801
| New | +$7.29M |
|
3773
PUT
Diageo
DEO
$53.1B
| $8.54M | ﹤0.01% |
106,200
+42,300
| +66% | +$3.42M |
|
3774
CALL
Stepan Co
SCL
$1.48B
| $8.53M | ﹤0.01% |
153,100
+129,700
| +554% | +$6.75M |
|
3775
Omnicell
OMCL
$1.7B
| $8.53M | ﹤0.01% |
+205,406
| New | +$8.28M |
|
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.