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
|
+$9.9B |
| 2 |
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 |
Sandisk
SNDK
|
+$771M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 82.67% |
| 2 | Technology | 3.92% |
| 3 | Healthcare | 2.55% |
| 4 | Industrials | 2.26% |
| 5 | Financials | 2.13% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
151
CALL
Citigroup
C
$202B
| $852M | 0.1% |
6,090,500
-1,203,000
| -16% | -$157M |
2013 Q2
52 quarters
|
|
152
PUT
ProShares UltraPro QQQ
TQQQ
$31.4B
| $848M | 0.1% |
10,468,900
+1,163,000
| +12% | +$80.7M |
2016 Q3
39 quarters
|
|
153
PUT
Walmart Inc
WMT
$996B
| $844M | 0.1% |
7,454,200
+841,100
| +13% | +$104M |
2013 Q2
52 quarters
|
|
154
CALL
State Street Energy Select Sector SPDR ETF
XLE
$40.8B
| $827M | 0.09% |
15,571,000
+4,237,500
| +37% | +$242M |
2016 Q3
39 quarters
|
|
155
PUT
Roundhill Memory ETF
DRAM
$19.1B
| $824M | 0.09% |
+11,159,700
| New | +$581M |
2026 Q2
0 quarters
|
|
156
CALL
iShares Bitcoin Trust
IBIT
$59.1B
| $821M | 0.09% |
24,654,100
+258,300
| +1% | +$10.5M |
2024 Q4
6 quarters
|
|
157
PUT
IBM
IBM
$231B
| $817M | 0.09% |
2,904,000
+1,676,000
| +136% | +$422M |
2013 Q2
52 quarters
|
|
158
PUT
Johnson & Johnson
JNJ
$676B
| $816M | 0.09% |
3,214,000
+696,200
| +28% | +$162M |
2013 Q2
52 quarters
|
|
159
CALL
ExxonMobil
XOM
$671B
| $816M | 0.09% |
5,967,500
-2,881,200
| -33% | -$431M |
2013 Q2
52 quarters
|
|
160
PUT
CoreWeave
CRWV
$26.9B
| $813M | 0.09% |
8,163,300
+816,200
| +11% | +$88.1M |
2025 Q2
4 quarters
|
|
161
CALL
Spotify
SPOT
$125B
| $804M | 0.09% |
1,751,600
+268,500
| +18% | +$128M |
2018 Q2
32 quarters
|
|
162
PUT
iShares Silver Trust
SLV
$25B
| $800M | 0.09% |
14,958,700
-14,681,000
| -50% | -$973M |
2014 Q1
49 quarters
|
|
163
PUT
Salesforce
CRM
$176B
| $799M | 0.09% |
5,097,600
+1,141,300
| +29% | +$201M |
2013 Q2
52 quarters
|
|
164
AbbVie
ABBV
$519B
| $798M | 0.09% |
3,169,783
+2,679,498
| +547% | +$576M |
2024 Q3
7 quarters
|
|
165
CALL
Boeing
BA
$137B
| $790M | 0.09% |
3,651,069
-1,047,814
| -22% | -$233M |
2013 Q2
52 quarters
|
|
166
CALL
ServiceNow
NOW
$103B
| $788M | 0.09% |
7,941,000
+3,342,900
| +73% | +$331M |
2013 Q2
52 quarters
|
|
167
PUT
VanEck Gold Miners ETF
GDX
$26.7B
| $784M | 0.09% |
10,392,000
+2,843,300
| +38% | +$251M |
2014 Q1
49 quarters
|
|
168
Applied Materials
AMAT
$296B
| $782M | 0.09% |
1,080,951
-209,601
| -16% | -$96.7M |
2025 Q3
3 quarters
|
|
169
Abbott
ABT
$191B
| $780M | 0.09% |
8,597,227
+6,681,381
| +349% | +$610M |
2025 Q3
3 quarters
|
|
170
CALL
United States Oil Fund
USO
$1.8B
| $778M | 0.09% |
7,307,900
-428,900
| -6% | -$56.2M |
2014 Q1
49 quarters
|
|
171
PUT
Snowflake
SNOW
$104B
| $777M | 0.09% |
3,052,500
+1,491,500
| +96% | +$274M |
2020 Q3
23 quarters
|
|
|
172
PUT
Boeing
BA
$137B
| $769M | 0.09% |
3,552,293
-101,461
| -3% | -$22.6M |
2013 Q2
52 quarters
|
|
173
KLA
KLAC
$199B
| $767M | 0.09% |
2,541,076
+2,162,246
| +571% | +$429M |
2016 Q2
40 quarters
|
|
174
Howmet Aerospace
HWM
$87.1B
| $758M | 0.09% |
2,819,959
+1,802,267
| +177% | +$463M |
2025 Q2
4 quarters
|
|
175
PUT
Vertiv
VRT
$74.8B
| $755M | 0.09% |
2,255,400
+84,300
| +4% | +$26.7M |
2022 Q3
15 quarters
|
|
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Ken Griffin's Q2 2026 Portfolio in Review
As of Q2 2026, Ken Griffin held 15,445 positions worth $875B, up 41% from $618B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin's Q2 2026 filing shows 2,573 new, 6,088 increased, 4,803 reduced and 1,873 closed positions. Its largest new stake was SpaceX: 5,129,884 shares worth $876M. The largest sale was Micron Technology, an estimated $3B.
By sector, the portfolio is most concentrated in Miscellaneous at 83% of assets, up from 79% a quarter earlier, followed by Technology and Healthcare.
- 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 $9.9B 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 2,573 new positions and closed 1,873 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.