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 | |
|---|---|---|---|---|---|---|
4401
CALL
Global E Online
GLBE
$7.12B
| $5.86M | ﹤0.01% |
168,800
-126,000
| -43% | -$3.99M |
|
4402
HUB Group
HUBG
$2.46B
| $5.86M | ﹤0.01% |
133,760
-9,612
| -7% | -$403K |
|
4403
PUT
Glaukos
GKOS
$10.9B
| $5.86M | ﹤0.01% |
41,900
+35,900
| +598% | +$4.54M |
|
|
APPX
4404
CALL
Tradr 2X Long APP Daily ETF
APPX
$65.8M
| $5.86M | ﹤0.01% |
144,856
+46,194
| +47% | +$1.76M |
|
4405
Dimensional US Marketwide Value ETF
DFUV
$16B
| $5.85M | ﹤0.01% |
+106,428
| New | +$5.59M |
|
4406
State Street Communication Services Select Sector SPDR ETF
XLC
$22.9B
| $5.85M | ﹤0.01% |
+54,612
| New | +$6.22M |
|
|
DGXX
4407
Digi Power X Inc
DGXX
$391M
| $5.85M | ﹤0.01% |
1,072,862
+877,352
| +449% | +$4.78M |
|
4408
CALL
Vanguard Morningstar Value ETF
VTV
$194B
| $5.84M | ﹤0.01% |
26,800
+2,600
| +11% | +$543K |
|
4409
CALL
Dropbox
DBX
$7.48B
| $5.84M | ﹤0.01% |
212,600
+95,900
| +82% | +$2.46M |
|
|
HIMX
4410
Himax Technologies
HIMX
$2.66B
| $5.84M | ﹤0.01% |
380,639
-195,765
| -34% | -$3.04M |
|
4411
Matrix Service
MTRX
$335M
| $5.84M | ﹤0.01% |
426,023
-46,024
| -10% | -$593K |
|
4412
Ardagh Metal Packaging
AMBP
$3.13B
| $5.83M | ﹤0.01% |
1,230,286
+822,599
| +202% | +$3.38M |
|
|
MPT
4413
Medical Properties Trust
MPT
$2.5B
| $5.83M | ﹤0.01% |
1,261,093
+101,759
| +9% | +$504K |
|
4414
CALL
H&R Block
HRB
$6.83B
| $5.83M | ﹤0.01% |
153,000
+96,500
| +171% | +$3.36M |
|
4415
Kornit Digital
KRNT
$775M
| $5.82M | ﹤0.01% |
358,278
+92,235
| +35% | +$1.46M |
|
4416
PUT
Hertz
HTZ
$798M
| $5.82M | ﹤0.01% |
2,570,400
+1,893,800
| +280% | +$10.3M |
|
4417
Apogee Therapeutics
APGE
$10.2B
| $5.82M | ﹤0.01% |
43,857
-555,045
| -93% | -$50M |
|
4418
PUT
ProShares UltraShort Bloomberg Natural Gas
KOLD
$105M
| $5.82M | ﹤0.01% |
256,900
-134,500
| -34% | -$3.26M |
|
4419
CALL
Omega Healthcare
OHI
$14.1B
| $5.81M | ﹤0.01% |
121,900
+10,300
| +9% | +$477K |
|
4420
CALL
Enbridge
ENB
$111B
| $5.81M | ﹤0.01% |
107,100
-19,100
| -15% | -$1.05M |
|
4421
PUT
CoStar Group
CSGP
$13.1B
| $5.79M | ﹤0.01% |
204,400
+93,800
| +85% | +$3.23M |
|
4422
CALL
Timken Company
TKR
$9.25B
| $5.78M | ﹤0.01% |
39,800
+31,300
| +368% | +$3.76M |
|
|
NPKI
4423
NPK International
NPKI
$1.21B
| $5.78M | ﹤0.01% |
363,503
+303,814
| +509% | +$4.58M |
|
4424
CALL
WEC Energy
WEC
$36B
| $5.78M | ﹤0.01% |
49,500
-36,200
| -42% | -$4.13M |
|
4425
Colony Bankcorp
CBAN
$473M
| $5.78M | ﹤0.01% |
287,598
+243,028
| +545% | +$4.91M |
|
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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.