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 | |
|---|---|---|---|---|---|---|
2701
Fortrea Holdings
FTRE
$1.66B
| $17.8M | ﹤0.01% |
1,023,010
+513,458
| +101% | +$6.93M |
|
2702
PUT
Snap
SNAP
$9.15B
| $17.8M | ﹤0.01% |
4,001,700
-886,300
| -18% | -$4.85M |
|
2703
iShares Core Dividend Growth ETF
DGRO
$43.8B
| $17.7M | ﹤0.01% |
234,139
+111,939
| +92% | +$8.26M |
|
2704
PUT
Rambus
RMBS
$10.9B
| $17.7M | ﹤0.01% |
133,600
+82,000
| +159% | +$10.7M |
|
2705
PUT
Jefferies Financial Group
JEF
$12.7B
| $17.7M | ﹤0.01% |
354,500
+36,800
| +12% | +$1.9M |
|
2706
CALL
Unum
UNM
$14.8B
| $17.7M | ﹤0.01% |
198,100
+132,300
| +201% | +$11M |
|
2707
Klaviyo
KVYO
$5.26B
| $17.7M | ﹤0.01% |
1,172,112
+9,733
| +0.8% | +$161K |
|
2708
PUT
Joby Aviation
JOBY
$7.83B
| $17.7M | ﹤0.01% |
1,983,300
+447,600
| +29% | +$4.33M |
|
2709
CALL
BioNTech
BNTX
$23.4B
| $17.7M | ﹤0.01% |
190,105
+53,510
| +39% | +$5.04M |
|
2710
PUT
TG Therapeutics
TGTX
$7.46B
| $17.7M | ﹤0.01% |
321,800
+107,900
| +50% | +$4.42M |
|
2711
Sweetgreen
SG
$748M
| $17.7M | ﹤0.01% |
2,006,229
+1,084,719
| +118% | +$8.28M |
|
2712
CALL
Daktronics
DAKT
$986M
| $17.7M | ﹤0.01% |
903,500
-3,800
| -0.4% | -$75.3K |
|
|
HAPN
2713
Happen Inc
HAPN
$2.26B
| $17.7M | ﹤0.01% |
852,068
-569,787
| -40% | -$9.7M |
|
|
PPTA
2714
Perpetua Resources
PPTA
$3.16B
| $17.7M | ﹤0.01% |
850,595
+593,096
| +230% | +$16.1M |
|
2715
Snap-on
SNA
$20.9B
| $17.7M | ﹤0.01% |
43,878
+21,927
| +100% | +$8.29M |
|
2716
Planet Labs
PL
$8.8B
| $17.6M | ﹤0.01% |
532,659
+268,218
| +101% | +$9.92M |
|
2717
PUT
ARK Genomic Revolution ETF
ARKG
$1.74B
| $17.6M | ﹤0.01% |
419,500
-286,100
| -41% | -$9.11M |
|
|
VSXY
2718
CALL
Victoria's Secret
VSXY
$7.08B
| $17.6M | ﹤0.01% |
211,300
-144,500
| -41% | -$8.66M |
|
2719
Enerpac Tool Group
EPAC
$1.89B
| $17.6M | ﹤0.01% |
491,740
+323,886
| +193% | +$11.4M |
|
2720
ProShares Ultra Bloomberg Crude Oil
UCO
$430M
| $17.6M | ﹤0.01% |
534,702
+260,594
| +95% | +$11.2M |
|
2721
First Commonwealth Financial
FCF
$2.18B
| $17.6M | ﹤0.01% |
866,373
+232,165
| +37% | +$4.39M |
|
2722
Unity
U
$20.4B
| $17.6M | ﹤0.01% |
615,901
-4,372,298
| -88% | -$116M |
|
2723
iShares MSCI Emerging Markets Asia ETF
EEMA
$870M
| $17.6M | ﹤0.01% |
150,499
+59,790
| +66% | +$6.68M |
|
2724
ADT
ADT
$5.47B
| $17.6M | ﹤0.01% |
2,707,328
+2,513,164
| +1,294% | +$17.2M |
|
2725
BioCryst Pharmaceuticals
BCRX
$2.49B
| $17.6M | ﹤0.01% |
1,759,160
+740,417
| +73% | +$6.7M |
|
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.