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 | |
|---|---|---|---|---|---|---|
4026
Relmada Therapeutics
RLMD
$512M
| $7.35M | ﹤0.01% |
+1,061,665
| New | +$7.42M |
|
4027
RELX
RELX
$60B
| $7.34M | ﹤0.01% |
231,823
-43,250
| -16% | -$1.47M |
|
4028
CALL
Establishment Labs
ESTA
$2.37B
| $7.34M | ﹤0.01% |
85,500
-43,000
| -33% | -$3.09M |
|
|
VISN
4029
CALL
Vistance Networks Inc
VISN
$2.66B
| $7.33M | ﹤0.01% |
573,700
-205,100
| -26% | -$2.89M |
|
4030
The Greenbrier Companies
GBX
$1.41B
| $7.33M | ﹤0.01% |
149,551
+85,728
| +134% | +$4.21M |
|
|
AAT
4031
American Assets Trust
AAT
$1.4B
| $7.33M | ﹤0.01% |
296,680
+74,824
| +34% | +$1.64M |
|
|
NHP
4032
National Healthcare Properties
NHP
$726M
| $7.33M | ﹤0.01% |
+500,000
| New | +$7M |
|
4033
CALL
American Superconductor
AMSC
$1.55B
| $7.32M | ﹤0.01% |
176,300
+6,300
| +4% | +$285K |
|
4034
Equinox Gold
EQX
$13.5B
| $7.32M | ﹤0.01% |
752,891
-165,686
| -18% | -$2.14M |
|
4035
Bentley Systems
BSY
$10.9B
| $7.31M | ﹤0.01% |
244,696
-402,089
| -62% | -$13.1M |
|
4036
PUT
McEwen Inc
MUX
$1.15B
| $7.31M | ﹤0.01% |
403,400
-18,700
| -4% | -$404K |
|
|
NUAI
4037
PUT
New Era Energy & Digital Inc
NUAI
$514M
| $7.31M | ﹤0.01% |
1,145,800
+253,600
| +28% | +$1.23M |
|
4038
United Natural Foods
UNFI
$2.93B
| $7.3M | ﹤0.01% |
159,845
-32,369
| -17% | -$1.6M |
|
4039
Cavco Industries
CVCO
$4.65B
| $7.29M | ﹤0.01% |
11,872
-13,313
| -53% | -$7.07M |
|
4040
CALL
Materion
MTRN
$5.9B
| $7.29M | ﹤0.01% |
24,500
+12,700
| +108% | +$2.66M |
|
4041
PUT
2x Bitcoin ETF
BITX
$849M
| $7.28M | ﹤0.01% |
705,000
-794,000
| -53% | -$12.9M |
|
4042
PUT
Brookfield Asset Management
BAM
$86.7B
| $7.27M | ﹤0.01% |
162,200
-491,200
| -75% | -$23.2M |
|
4043
PUT
Iridium Communications
IRDM
$5.32B
| $7.27M | ﹤0.01% |
132,600
+45,900
| +53% | +$1.96M |
|
4044
U-Haul Holding Co Series N
UHAL.B
$12.7B
| $7.27M | ﹤0.01% |
125,969
+50,846
| +68% | +$2.53M |
|
4045
CALL
iShares Core S&P Total US Stock Market ETF
ITOT
$98.3B
| $7.26M | ﹤0.01% |
44,200
-1,800
| -4% | -$286K |
|
4046
First Trust Technology AlphaDEX Fund
FXL
$2.88B
| $7.26M | ﹤0.01% |
+33,414
| New | +$6.51M |
|
4047
CALL
Vanguard Total World Stock ETF
VT
$81.8B
| $7.25M | ﹤0.01% |
46,200
+26,200
| +131% | +$4M |
|
|
IBDZ
4048
iShares iBonds Dec 2034 Term Corporate ETF
IBDZ
$866M
| $7.25M | ﹤0.01% |
+278,288
| New | +$7.25M |
|
4049
Cullinan Oncology
CGEM
$1.31B
| $7.24M | ﹤0.01% |
397,484
+144,706
| +57% | +$2.15M |
|
|
PRSU
4050
Pursuit Attractions and Hospitality Inc
PRSU
$1.31B
| $7.23M | ﹤0.01% |
129,227
-24,925
| -16% | -$1.1M |
|
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.