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 | |
|---|---|---|---|---|---|---|
3026
CALL
T-Rex 2X Long NVIDIA Daily Target ETF
NVDX
$472M
| $13.9M | ﹤0.01% |
816,300
+80,900
| +11% | +$1.51M |
|
3027
PUT
Direxion Daily Semiconductor Bear 3X ETF
SOXS
$1.39B
| $13.8M | ﹤0.01% |
427,465
+411,841
| +2,636% | +$49.1M |
|
3028
Upwork
UPWK
$1.06B
| $13.8M | ﹤0.01% |
1,655,618
+1,424,134
| +615% | +$13.5M |
|
3029
PUT
TPG
TPG
$8.51B
| $13.8M | ﹤0.01% |
341,200
+200,800
| +143% | +$8.44M |
|
3030
CALL
Ball Corp
BALL
$16.4B
| $13.8M | ﹤0.01% |
221,500
-55,500
| -20% | -$3.26M |
|
3031
PUT
SoundHound AI
SOUN
$3.3B
| $13.8M | ﹤0.01% |
2,135,900
+1,188,800
| +126% | +$9.21M |
|
3032
CALL
CenterPoint Energy
CNP
$26.9B
| $13.8M | ﹤0.01% |
313,500
+188,000
| +150% | +$8.05M |
|
3033
PUT
NextNav
NN
$3.36B
| $13.8M | ﹤0.01% |
774,000
+572,000
| +283% | +$11.1M |
|
3034
CALL
Kinross Gold
KGC
$32.4B
| $13.8M | ﹤0.01% |
583,500
-266,200
| -31% | -$7.82M |
|
3035
PUT
Star Bulk Carriers
SBLK
$3.24B
| $13.8M | ﹤0.01% |
551,900
+283,000
| +105% | +$7.32M |
|
3036
Kyndryl
KD
$2.87B
| $13.8M | ﹤0.01% |
1,218,468
-649,996
| -35% | -$8.1M |
|
3037
ACV Auctions
ACVA
$1.4B
| $13.8M | ﹤0.01% |
1,915,799
+706,023
| +58% | +$4M |
|
3038
CALL
ASE Group
ASX
$103B
| $13.8M | ﹤0.01% |
305,100
-457,100
| -60% | -$15.4M |
|
3039
PUT
ProShares Ultra VIX Short-Term Futures ETF
UVXY
$273M
| $13.8M | ﹤0.01% |
553,040
+4,440
| +0.8% | +$154K |
|
3040
PUT
SharkNinja
SN
$26.1B
| $13.7M | ﹤0.01% |
90,300
-15,700
| -15% | -$1.88M |
|
3041
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.58B
| $13.7M | ﹤0.01% |
374,814
+151,843
| +68% | +$5.35M |
|
3042
CALL
Toyota
TM
$226B
| $13.7M | ﹤0.01% |
81,300
-55,600
| -41% | -$10.5M |
|
3043
Oculis Holding
OCS
$719M
| $13.7M | ﹤0.01% |
987,204
+825,920
| +512% | +$18.7M |
|
|
DYNC
3044
Dynamix Corp
DYNC
$240M
| $13.7M | ﹤0.01% |
+1,268,869
| New | +$13.6M |
|
3045
PUT
Lattice Semiconductor
LSCC
$18.5B
| $13.7M | ﹤0.01% |
89,500
+66,100
| +282% | +$8.53M |
|
3046
Sonida Senior Living
SNDA
$1.88B
| $13.7M | ﹤0.01% |
335,453
+208,387
| +164% | +$7.46M |
|
3047
Erie Indemnity
ERIE
$13.4B
| $13.7M | ﹤0.01% |
57,083
+32,134
| +129% | +$7.37M |
|
3048
iShares International Select Dividend ETF
IDV
$8.59B
| $13.7M | ﹤0.01% |
330,235
+5,872
| +2% | +$257K |
|
3049
CALL
JetBlue
JBLU
$2.13B
| $13.7M | ﹤0.01% |
2,386,900
+8,800
| +0.4% | +$44.8K |
|
3050
PUT
Regal Rexnord
RRX
$11.7B
| $13.7M | ﹤0.01% |
57,400
+46,000
| +404% | +$9.61M |
|
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.