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 | |
|---|---|---|---|---|---|---|
4176
Hess Midstream
HESM
$5.2B
| $6.69M | ﹤0.01% |
177,924
-97,367
| -35% | -$3.74M |
|
4177
Joby Aviation
JOBY
$7.83B
| $6.69M | ﹤0.01% |
749,493
-1,195,263
| -61% | -$11.6M |
|
4178
Amplitude
AMPL
$1.63B
| $6.68M | ﹤0.01% |
872,866
+836,683
| +2,312% | +$5.77M |
|
4179
CALL
Corvus Pharmaceuticals
CRVS
$1.25B
| $6.68M | ﹤0.01% |
446,800
+179,000
| +67% | +$2.48M |
|
4180
Stevanato
STVN
$5.75B
| $6.67M | ﹤0.01% |
369,225
-62,538
| -14% | -$1.06M |
|
4181
CALL
Huntington Bancshares
HBAN
$36.2B
| $6.67M | ﹤0.01% |
376,000
+64,206
| +21% | +$1.06M |
|
4182
PagerDuty
PD
$918M
| $6.67M | ﹤0.01% |
690,785
+72,870
| +12% | +$552K |
|
4183
CALL
United States Gasoline Fund
UGA
$138M
| $6.66M | ﹤0.01% |
64,700
+22,400
| +53% | +$2.43M |
|
4184
Compass
COMP
$9.99B
| $6.65M | ﹤0.01% |
539,475
-10,145,542
| -95% | -$84.5M |
|
4185
Aurora
AUR
$13.7B
| $6.65M | ﹤0.01% |
975,005
+495,965
| +104% | +$3.03M |
|
4186
Oxford Industries
OXM
$543M
| $6.64M | ﹤0.01% |
190,546
+113,574
| +148% | +$4.72M |
|
4187
Cars.com
CARS
$663M
| $6.64M | ﹤0.01% |
606,921
+66,671
| +12% | +$677K |
|
4188
Vertex
VERX
$2.06B
| $6.62M | ﹤0.01% |
576,895
-575,714
| -50% | -$7.19M |
|
4189
CALL
TPG
TPG
$8.51B
| $6.62M | ﹤0.01% |
163,300
+68,000
| +71% | +$2.86M |
|
|
ARMG
4190
CALL
Leverage Shares 2X Long ARM Daily ETF
ARMG
$67.9M
| $6.61M | ﹤0.01% |
167,800
+123,200
| +276% | +$3.42M |
|
4191
CALL
Compass Diversified
CODI
$956M
| $6.61M | ﹤0.01% |
620,200
+352,000
| +131% | +$3.84M |
|
4192
NEOS S&P 500 High Income ETF
SPYI
$11.4B
| $6.6M | ﹤0.01% |
+124,338
| New | +$6.54M |
|
4193
CALL
ProShares Ultra Gold
UGL
$801M
| $6.6M | ﹤0.01% |
150,400
-116,500
| -44% | -$6.58M |
|
4194
Janus Henderson Short Duration Income ETF
VNLA
$3.36B
| $6.6M | ﹤0.01% |
+134,997
| New | +$6.61M |
|
4195
Griffon
GFF
$4.72B
| $6.59M | ﹤0.01% |
67,615
+5,018
| +8% | +$438K |
|
4196
CALL
PVH
PVH
$3.8B
| $6.59M | ﹤0.01% |
88,800
+44,400
| +100% | +$3.8M |
|
4197
PUT
Transportadora de Gas del Sur
TGS
$4.23B
| $6.59M | ﹤0.01% |
221,800
+209,000
| +1,633% | +$6.47M |
|
4198
Vanguard Health Care ETF
VHT
$18.9B
| $6.59M | ﹤0.01% |
22,040
+1,669
| +8% | +$464K |
|
4199
Infosys
INFY
$49B
| $6.59M | ﹤0.01% |
+628,082
| New | +$7.87M |
|
|
MPT
4200
PUT
Medical Properties Trust
MPT
$2.5B
| $6.58M | ﹤0.01% |
1,425,100
-259,200
| -15% | -$1.28M |
|
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.