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 | |
|---|---|---|---|---|---|---|
3401
Vermilion Energy
VET
$1.73B
| $10.8M | ﹤0.01% |
1,155,712
+54,443
| +5% | +$647K |
|
3402
CALL
Uranium Energy
UEC
$5.55B
| $10.8M | ﹤0.01% |
1,015,200
+271,200
| +36% | +$3.64M |
|
3403
NBT Bancorp
NBTB
$2.78B
| $10.8M | ﹤0.01% |
219,085
-28,863
| -12% | -$1.32M |
|
|
AMBQ
3404
Ambiq Micro
AMBQ
$1.56B
| $10.8M | ﹤0.01% |
+122,425
| New | +$7.26M |
|
|
NIQ
3405
NIQ Global Intelligence PLC
NIQ
$5.15B
| $10.8M | ﹤0.01% |
1,154,623
+1,027,338
| +807% | +$9.93M |
|
3406
Applied Optoelectronics
AAOI
$12.7B
| $10.8M | ﹤0.01% |
72,798
-348,205
| -83% | -$56.6M |
|
3407
CALL
ProShares UltraShort Bloomberg Natural Gas
KOLD
$105M
| $10.8M | ﹤0.01% |
476,100
-74,800
| -14% | -$1.81M |
|
3408
PUT
Banco Macro
BMA
$4.96B
| $10.7M | ﹤0.01% |
116,000
+3,200
| +3% | +$263K |
|
3409
CALL
ResMed
RMD
$32.4B
| $10.7M | ﹤0.01% |
55,100
-600
| -1% | -$124K |
|
3410
CALL
Hasbro
HAS
$13.6B
| $10.7M | ﹤0.01% |
130,000
+18,200
| +16% | +$1.64M |
|
|
BLDP
3411
Ballard Power Systems
BLDP
$814M
| $10.7M | ﹤0.01% |
2,758,179
-130,854
| -5% | -$533K |
|
|
NEBX
3412
Tradr 2X Long NBIS Daily ETF
NEBX
$365M
| $10.7M | ﹤0.01% |
182,604
+35,061
| +24% | +$1.25M |
|
3413
Bruker
BRKR
$8.79B
| $10.7M | ﹤0.01% |
178,195
-17,678
| -9% | -$825K |
|
|
PPL
3414
PUT
PPL Corp
PPL
$27.1B
| $10.7M | ﹤0.01% |
294,900
+262,800
| +819% | +$9.71M |
|
3415
CALL
Canadian Solar
CSIQ
$1.03B
| $10.7M | ﹤0.01% |
668,300
-304,800
| -31% | -$4.89M |
|
3416
Rocket Companies
RKT
$41.8B
| $10.7M | ﹤0.01% |
679,401
-424,959
| -38% | -$6.13M |
|
3417
CALL
Direxion Daily FTSE China Bull 3X ETF
YINN
$653M
| $10.7M | ﹤0.01% |
498,200
-196,900
| -28% | -$6.23M |
|
3418
Pagaya Technologies
PGY
$1.8B
| $10.7M | ﹤0.01% |
585,956
+500,464
| +585% | +$7.1M |
|
3419
Element Solutions
ESI
$9.46B
| $10.7M | ﹤0.01% |
223,804
+129,638
| +138% | +$5.38M |
|
3420
Darden Restaurants
DRI
$25.6B
| $10.7M | ﹤0.01% |
51,830
-22,706
| -30% | -$4.55M |
|
3421
Bankunited
BKU
$3.44B
| $10.7M | ﹤0.01% |
220,253
-384,416
| -64% | -$18.1M |
|
3422
Ero Copper
ERO
$3.53B
| $10.7M | ﹤0.01% |
398,722
+181,770
| +84% | +$5.15M |
|
3423
PUT
Equinor
EQNR
$96.8B
| $10.7M | ﹤0.01% |
339,500
+137,700
| +68% | +$5.14M |
|
3424
Meritage Homes
MTH
$4.76B
| $10.7M | ﹤0.01% |
127,133
-380,461
| -75% | -$26M |
|
3425
U-Haul Holding Co
UHAL
$14.4B
| $10.6M | ﹤0.01% |
162,159
+94,413
| +139% | +$5.18M |
|
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.