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 | |
|---|---|---|---|---|---|---|
3301
PUT
Restaurant Brands International
QSR
$27.1B
| $11.6M | ﹤0.01% |
159,900
+49,100
| +44% | +$3.74M |
|
3302
CALL
State Street SPDR EURO STOXX 50 ETF
FEZ
$4.56B
| $11.6M | ﹤0.01% |
168,600
-1,419,600
| -89% | -$94.8M |
|
3303
Valmont Industries
VMI
$9.56B
| $11.6M | ﹤0.01% |
20,020
-11,334
| -36% | -$5.7M |
|
3304
PUT
Ormat Technologies
ORA
$7.06B
| $11.6M | ﹤0.01% |
106,100
+94,800
| +839% | +$11.7M |
|
3305
CAE Inc
CAE
$8.43B
| $11.6M | ﹤0.01% |
460,917
-201,982
| -30% | -$5.23M |
|
3306
iShares iBonds 2026 Term High Yield and Income ETF
IBHF
$790M
| $11.5M | ﹤0.01% |
508,904
+480,654
| +1,701% | +$10.9M |
|
3307
CALL
Tyler Technologies
TYL
$13.5B
| $11.5M | ﹤0.01% |
39,400
-200
| -0.5% | -$63.2K |
|
3308
PUT
Crown Castle
CCI
$32.3B
| $11.5M | ﹤0.01% |
151,900
-16,500
| -10% | -$1.45M |
|
|
WCN
3309
PUT
Waste Connections
WCN
$41.8B
| $11.5M | ﹤0.01% |
69,000
+28,100
| +69% | +$4.45M |
|
3310
Veeva Systems
VEEV
$39.6B
| $11.5M | ﹤0.01% |
64,755
-86,788
| -57% | -$14.3M |
|
3311
Symbotic
SYM
$5.55B
| $11.5M | ﹤0.01% |
255,657
-370,808
| -59% | -$18.9M |
|
|
CHYM
3312
CALL
Chime Financial
CHYM
$12.1B
| $11.5M | ﹤0.01% |
561,100
+176,900
| +46% | +$3.43M |
|
3313
CALL
Direxion Daily MSCI Emerging Markets Bull 3X ETF
EDC
$167M
| $11.5M | ﹤0.01% |
129,200
-2,400
| -2% | -$197K |
|
3314
PUT
ProShares Ultra Semiconductors
USD
$2.96B
| $11.5M | ﹤0.01% |
110,000
+59,900
| +120% | +$5.21M |
|
3315
ADMA Biologics
ADMA
$2.12B
| $11.5M | ﹤0.01% |
1,370,071
-4,440,571
| -76% | -$40.5M |
|
3316
PUT
Hubbell
HUBB
$27B
| $11.5M | ﹤0.01% |
21,900
+10,200
| +87% | +$5.15M |
|
3317
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.92B
| $11.5M | ﹤0.01% |
+34,213
| New | +$9.8M |
|
3318
CALL
Nektar Therapeutics
NKTR
$2.49B
| $11.4M | ﹤0.01% |
163,800
+50,400
| +44% | +$3.69M |
|
|
FITB
3319
PUT
Fifth Third Bancorp
FITB
$52.7B
| $11.4M | ﹤0.01% |
202,820
+103,764
| +105% | +$5.26M |
|
3320
Werner Enterprises
WERN
$2.33B
| $11.4M | ﹤0.01% |
261,724
+103,489
| +65% | +$3.9M |
|
3321
iRhythm Holdings
IRTC
$4.17B
| $11.4M | ﹤0.01% |
95,931
-17,669
| -16% | -$2.05M |
|
3322
Rio Tinto
RIO
$156B
| $11.4M | ﹤0.01% |
120,199
-134,749
| -53% | -$13.7M |
|
3323
Playtika
PLTK
$957M
| $11.4M | ﹤0.01% |
3,065,975
+2,932,785
| +2,202% | +$10.1M |
|
3324
PUT
SL Green Realty
SLG
$3.97B
| $11.4M | ﹤0.01% |
220,300
+99,300
| +82% | +$4.43M |
|
3325
CALL
2x Bitcoin ETF
BITX
$849M
| $11.4M | ﹤0.01% |
1,105,100
-60,300
| -5% | -$979K |
|
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.