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 | |
|---|---|---|---|---|---|---|
4001
Kimco Realty
KIM
$16.4B
| $7.46M | ﹤0.01% |
294,431
-53,568
| -15% | -$1.29M |
|
4002
PUT
Alpha Metallurgical Resources
AMR
$2.11B
| $7.46M | ﹤0.01% |
45,200
-35,900
| -44% | -$6.84M |
|
|
MZYX.U
4003
MOZAYYX Acquisition Corp Units
MZYX.U
| $7.45M | ﹤0.01% |
741,776
-241,817
| -25% | -$2.42M |
|
4004
Mayville Engineering Co
MEC
$614M
| $7.44M | ﹤0.01% |
198,712
+141,926
| +250% | +$3.79M |
|
|
PDS
4005
Precision Drilling
PDS
$1.09B
| $7.43M | ﹤0.01% |
96,960
+14,538
| +18% | +$1.33M |
|
4006
PUT
Elastic
ESTC
$9.01B
| $7.42M | ﹤0.01% |
130,200
+95,600
| +276% | +$5.13M |
|
4007
MediaAlpha
MAX
$807M
| $7.41M | ﹤0.01% |
589,696
+360,373
| +157% | +$3.4M |
|
|
EH
4008
CALL
EHang Holdings
EH
$450M
| $7.4M | ﹤0.01% |
1,129,800
+461,800
| +69% | +$4.31M |
|
4009
PUT
United States Copper Index Fund
CPER
$774M
| $7.4M | ﹤0.01% |
196,000
-7,200
| -4% | -$271K |
|
4010
PUT
Summit Therapeutics
SMMT
$10.6B
| $7.39M | ﹤0.01% |
507,500
+393,900
| +347% | +$6.98M |
|
|
AARD
4011
Aardvark Therapeutics
AARD
$143M
| $7.39M | ﹤0.01% |
1,283,166
+40,389
| +3% | +$189K |
|
4012
CALL
ScottsMiracle-Gro
SMG
$3.55B
| $7.39M | ﹤0.01% |
108,500
-15,100
| -12% | -$935K |
|
4013
Heartland Express
HTLD
$989M
| $7.39M | ﹤0.01% |
485,506
+436,333
| +887% | +$5.91M |
|
4014
CALL
Acuity Brands
AYI
$10.7B
| $7.38M | ﹤0.01% |
19,600
+8,300
| +73% | +$2.46M |
|
4015
Tortoise North American Pipeline ETF
TPYP
$886M
| $7.38M | ﹤0.01% |
175,953
-63,754
| -27% | -$2.69M |
|
|
AAOX
4016
CALL
Tradr 2X Long AAOI Daily ETF
AAOX
$379M
| $7.37M | ﹤0.01% |
+233,300
| New | +$11.9M |
|
4017
CALL
Aaon
AAON
$7.24B
| $7.37M | ﹤0.01% |
58,100
-1,800
| -3% | -$211K |
|
4018
CALL
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$243M
| $7.37M | ﹤0.01% |
116,800
+9,000
| +8% | +$513K |
|
4019
PUT
Uranium Energy
UEC
$5.55B
| $7.37M | ﹤0.01% |
691,000
+159,700
| +30% | +$2.14M |
|
4020
PUT
NiSource
NI
$20.4B
| $7.36M | ﹤0.01% |
154,800
+117,500
| +315% | +$5.56M |
|
4021
CALL
Zimmer Biomet
ZBH
$19.2B
| $7.36M | ﹤0.01% |
85,500
-28,000
| -25% | -$2.46M |
|
4022
CALL
Varonis Systems
VRNS
$5.17B
| $7.36M | ﹤0.01% |
175,400
+93,300
| +114% | +$2.73M |
|
|
PONY
4023
Pony AI Inc
PONY
$3.54B
| $7.36M | ﹤0.01% |
1,058,925
-805,977
| -43% | -$7.47M |
|
4024
CALL
Boston Properties
BXP
$10.9B
| $7.35M | ﹤0.01% |
110,900
+25,500
| +30% | +$1.53M |
|
|
DLLL
4025
PUT
GraniteShares 2x Long DELL Daily ETF
DLLL
$142M
| $7.35M | ﹤0.01% |
+294,600
| New | +$3.93M |
|
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.