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 | |
|---|---|---|---|---|---|---|
3576
PUT
American Superconductor
AMSC
$1.55B
| $9.66M | ﹤0.01% |
232,800
+147,900
| +174% | +$6.69M |
|
3577
Enovix
ENVX
$963M
| $9.66M | ﹤0.01% |
1,591,905
+806,576
| +103% | +$5.35M |
|
3578
Yum China
YUMC
$16.3B
| $9.65M | ﹤0.01% |
236,204
-1,255,283
| -84% | -$57.5M |
|
3579
OneMain Financial
OMF
$7.56B
| $9.65M | ﹤0.01% |
158,256
-142,130
| -47% | -$8.01M |
|
3580
CALL
SK Telecom
SKM
$14.8B
| $9.64M | ﹤0.01% |
299,700
+15,100
| +5% | +$559K |
|
3581
PUT
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.38B
| $9.64M | ﹤0.01% |
36,400
+24,300
| +201% | +$6.41M |
|
3582
Oshkosh
OSK
$9.44B
| $9.62M | ﹤0.01% |
62,671
+60,607
| +2,936% | +$8.54M |
|
3583
State Street SPDR S&P Insurance ETF
KIE
$684M
| $9.61M | ﹤0.01% |
157,627
+44,557
| +39% | +$2.55M |
|
3584
Franklin US Core Bond ETF
FLCB
$3.04B
| $9.61M | ﹤0.01% |
+448,947
| New | +$9.61M |
|
3585
Direxion Daily NYSE FANG+ Bull 2X ETF
FNGG
$140M
| $9.61M | ﹤0.01% |
43,370
+24,641
| +132% | +$5.4M |
|
3586
SL Green Realty
SLG
$3.97B
| $9.61M | ﹤0.01% |
185,558
+141,172
| +318% | +$6.3M |
|
3587
Pampa Energía
PAM
$4.23B
| $9.61M | ﹤0.01% |
116,953
+26,040
| +29% | +$2.17M |
|
3588
UFP Industries
UFPI
$4.96B
| $9.6M | ﹤0.01% |
105,786
+51,098
| +93% | +$4.45M |
|
3589
CALL
Banc of California
BANC
$3.13B
| $9.6M | ﹤0.01% |
469,800
+453,200
| +2,730% | +$8.64M |
|
3590
CALL
Warrior Met Coal
HCC
$5.19B
| $9.59M | ﹤0.01% |
118,200
-149,600
| -56% | -$13.5M |
|
3591
Fidelity Emerging Markets Multifactor ETF
FDEM
$591M
| $9.59M | ﹤0.01% |
263,929
-37,398
| -12% | -$1.33M |
|
3592
PUT
Idacorp
IDA
$8.25B
| $9.58M | ﹤0.01% |
63,300
+35,200
| +125% | +$5.07M |
|
3593
C.H. Robinson
CHRW
$17.4B
| $9.57M | ﹤0.01% |
50,838
-283,139
| -85% | -$50.3M |
|
3594
PUT
Century Aluminum
CENX
$4.62B
| $9.57M | ﹤0.01% |
208,100
+25,400
| +14% | +$1.53M |
|
3595
CALL
Diageo
DEO
$53.1B
| $9.57M | ﹤0.01% |
119,100
-37,700
| -24% | -$3.04M |
|
3596
PUT
Virgin Galactic
SPCE
$503M
| $9.56M | ﹤0.01% |
3,309,100
+3,059,100
| +1,224% | +$9.99M |
|
3597
Rigetti Computing
RGTI
$6.28B
| $9.56M | ﹤0.01% |
494,720
-570,108
| -54% | -$11M |
|
3598
California Water Service
CWT
$3.12B
| $9.55M | ﹤0.01% |
196,394
+161,696
| +466% | +$7.29M |
|
3599
YPF Sociedad Anonima ADS
YPF
$19.6B
| $9.55M | ﹤0.01% |
210,089
-631,703
| -75% | -$29.6M |
|
3600
PUT
McCormick & Company Non-Voting
MKC
$14.7B
| $9.53M | ﹤0.01% |
189,100
-127,500
| -40% | -$6.26M |
|
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.