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 | |
|---|---|---|---|---|---|---|
4351
iShares US Energy ETF
IYE
$1.82B
| $6.06M | ﹤0.01% |
+107,005
| New | +$6.49M |
|
4352
CALL
Ashland
ASH
$3.38B
| $6.05M | ﹤0.01% |
+91,800
| New | +$5.33M |
|
4353
CALL
State Street SPDR S&P Aerospace & Defense ETF
XAR
$6.72B
| $6.04M | ﹤0.01% |
21,300
+12,700
| +148% | +$3.43M |
|
4354
Tootsie Roll Industries
TR
$3.08B
| $6.04M | ﹤0.01% |
152,804
+84,625
| +124% | +$3.42M |
|
4355
PUT
Alpha and Omega Semiconductor
AOSL
$921M
| $6.04M | ﹤0.01% |
127,600
+83,600
| +190% | +$3.36M |
|
4356
John Wiley & Sons Class A
WLY
$2.61B
| $6.04M | ﹤0.01% |
124,434
-160,698
| -56% | -$6.76M |
|
4357
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
| $6.03M | ﹤0.01% |
56,606
+27,428
| +94% | +$2.92M |
|
4358
CALL
Howard Hughes
HHH
$3.98B
| $6.02M | ﹤0.01% |
84,200
-45,300
| -35% | -$2.95M |
|
4359
PUT
Barclays
BCS
$94.7B
| $6.02M | ﹤0.01% |
224,000
+66,900
| +43% | +$1.61M |
|
4360
iShares Silver Trust
SLV
$31.5B
| $6.01M | ﹤0.01% |
112,395
-2,132,606
| -95% | -$141M |
|
|
AVR
4361
Anteris Technologies
AVR
$916M
| $6.01M | ﹤0.01% |
610,044
+581,223
| +2,017% | +$4.42M |
|
4362
PUT
United States Antimony
UAMY
$825M
| $6.01M | ﹤0.01% |
827,400
+145,400
| +21% | +$1.32M |
|
4363
Agilon Health
AGL
$1.63B
| $6.01M | ﹤0.01% |
+56,045
| New | +$3.67M |
|
4364
Spectrum Brands
SPB
$2.07B
| $6M | ﹤0.01% |
69,993
-59,710
| -46% | -$4.83M |
|
4365
PUT
Tencent Music
TME
$14.5B
| $6M | ﹤0.01% |
718,500
+300,000
| +72% | +$2.74M |
|
|
CHYM
4366
PUT
Chime Financial
CHYM
$12.1B
| $5.99M | ﹤0.01% |
292,700
+58,800
| +25% | +$1.14M |
|
|
FRBT
4367
Forbright Inc
FRBT
$961M
| $5.99M | ﹤0.01% |
+327,697
| New | +$5.93M |
|
4368
CALL
Trimble
TRMB
$13.4B
| $5.99M | ﹤0.01% |
117,000
+66,800
| +133% | +$3.95M |
|
|
CRDU
4369
CALL
Tradr 2X Long CRDO Daily ETF
CRDU
$118M
| $5.99M | ﹤0.01% |
252,136
+99,776
| +65% | +$1.49M |
|
4370
Avalo Therapeutics
AVTX
$1.05B
| $5.98M | ﹤0.01% |
323,833
+130,098
| +67% | +$2.06M |
|
4371
Ivanhoe Electric
IE
$1.66B
| $5.98M | ﹤0.01% |
621,901
+387,691
| +166% | +$4.9M |
|
4372
PDF Solutions
PDFS
$2.15B
| $5.98M | ﹤0.01% |
84,419
+49,831
| +144% | +$2.47M |
|
4373
Heritage Insurance Holdings
HRTG
$1.01B
| $5.97M | ﹤0.01% |
228,953
+45,321
| +25% | +$1.13M |
|
4374
Full Truck Alliance
YMM
$9.14B
| $5.97M | ﹤0.01% |
734,984
-293,646
| -29% | -$2.5M |
|
4375
Stock Yards Bancorp
SYBT
$2.64B
| $5.96M | ﹤0.01% |
78,002
+38,123
| +96% | +$2.74M |
|
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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.