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 | |
|---|---|---|---|---|---|---|
|
XOVR
3176
CALL
EntrepreneurShares Series Trust ERShares Private-Public Crossover ETF
XOVR
$1.89B
| $12.6M | ﹤0.01% |
597,900
+567,100
| +1,841% | +$10.8M |
|
3177
PUT
UL Solutions
ULS
$15.6B
| $12.6M | ﹤0.01% |
123,500
+69,900
| +130% | +$6.61M |
|
3178
CALL
PBF Energy
PBF
$8.52B
| $12.6M | ﹤0.01% |
276,100
| – | – |
|
3179
PUT
IES Holdings
IESC
$15.1B
| $12.6M | ﹤0.01% |
17,100
+1,200
| +8% | +$775K |
|
3180
JetBlue
JBLU
$2.13B
| $12.6M | ﹤0.01% |
2,191,480
+947,436
| +76% | +$4.83M |
|
3181
CALL
RELX
RELX
$60B
| $12.5M | ﹤0.01% |
396,100
-155,300
| -28% | -$5.26M |
|
3182
CALL
Vulcan Materials
VMC
$36.5B
| $12.5M | ﹤0.01% |
42,500
-2,800
| -6% | -$803K |
|
3183
Marten Transport
MRTN
$1.24B
| $12.5M | ﹤0.01% |
722,251
+52,908
| +8% | +$841K |
|
3184
CALL
Invesco Semiconductors ETF
PSI
$2.61B
| $12.5M | ﹤0.01% |
+66,600
| New | +$9.58M |
|
3185
Herc Holdings
HRI
$5.8B
| $12.5M | ﹤0.01% |
87,228
-6,839
| -7% | -$882K |
|
3186
Campbell Soup
CPB
$6.91B
| $12.5M | ﹤0.01% |
560,914
-3,499,737
| -86% | -$73.8M |
|
3187
PUT
Genesco
GCO
$391M
| $12.5M | ﹤0.01% |
369,700
+63,600
| +21% | +$2.23M |
|
3188
PUT
Vanguard Real Estate ETF
VNQ
$39.2B
| $12.5M | ﹤0.01% |
129,400
+500
| +0.4% | +$47.8K |
|
3189
CALL
Cognizant
CTSH
$26.5B
| $12.5M | ﹤0.01% |
322,000
+123,100
| +62% | +$6.48M |
|
3190
CALL
HEICO Corp
HEI
$52.4B
| $12.5M | ﹤0.01% |
35,000
+2,600
| +8% | +$791K |
|
3191
AbCellera Biologics
ABCL
$3.49B
| $12.5M | ﹤0.01% |
1,586,512
+225,407
| +17% | +$1.1M |
|
3192
PUT
ProShares Ultra S&P500
SSO
$8.47B
| $12.4M | ﹤0.01% |
184,700
+24,400
| +15% | +$1.56M |
|
3193
Insteel Industries
IIIN
$631M
| $12.4M | ﹤0.01% |
411,992
+165,225
| +67% | +$4.74M |
|
3194
RingCentral
RNG
$5.39B
| $12.4M | ﹤0.01% |
319,013
-300,981
| -49% | -$12.2M |
|
3195
CALL
Eldorado Gold
EGO
$10.4B
| $12.4M | ﹤0.01% |
399,800
-23,700
| -6% | -$772K |
|
3196
CALL
Ecolab
ECL
$77.4B
| $12.4M | ﹤0.01% |
44,600
-98,300
| -69% | -$25.9M |
|
3197
Commercial Metals
CMC
$7.92B
| $12.4M | ﹤0.01% |
197,966
+109,696
| +124% | +$7.71M |
|
3198
OceanFirst Financial
OCFC
$1.91B
| $12.4M | ﹤0.01% |
635,527
+121,218
| +24% | +$2.26M |
|
3199
CALL
Critical Metals Corp
CRML
$978M
| $12.4M | ﹤0.01% |
1,210,800
+195,800
| +19% | +$2.09M |
|
3200
PUT
Shift4
FOUR
$3.58B
| $12.4M | ﹤0.01% |
255,100
+3,100
| +1% | +$134K |
|
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.