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 | |
|---|---|---|---|---|---|---|
3426
First Trust Limited Duration Investment Grade Corporate ETF
FSIG
$1.52B
| $10.6M | ﹤0.01% |
+562,561
| New | +$10.7M |
|
3427
CALL
CG Oncology
CGON
$6.65B
| $10.6M | ﹤0.01% |
149,200
+90,900
| +156% | +$5.94M |
|
3428
Tenax Therapeutics
TENX
$67.4M
| $10.6M | ﹤0.01% |
728,561
+576,045
| +378% | +$7.36M |
|
3429
PUT
Golar LNG
GLNG
$5.36B
| $10.6M | ﹤0.01% |
212,500
+41,500
| +24% | +$2.19M |
|
3430
OppFi
OPFI
$610M
| $10.6M | ﹤0.01% |
1,066,428
+555,452
| +109% | +$4.81M |
|
3431
CALL
ProShares S&P 500 Dividend Aristocrats ETF
NOBL
$11.9B
| $10.6M | ﹤0.01% |
188,500
+33,900
| +22% | +$1.83M |
|
3432
CALL
iShares Expanded Tech Sector ETF
IGM
$10.9B
| $10.6M | ﹤0.01% |
64,600
-56,600
| -47% | -$8.48M |
|
3433
CALL
Paycom
PAYC
$9.83B
| $10.6M | ﹤0.01% |
84,000
+14,100
| +20% | +$1.84M |
|
3434
CALL
Vaxcyte
PCVX
$8.64B
| $10.6M | ﹤0.01% |
181,600
+86,800
| +92% | +$4.71M |
|
3435
CALL
SBA Communications
SBAC
$19.6B
| $10.6M | ﹤0.01% |
59,800
+44,200
| +283% | +$9.11M |
|
3436
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.7B
| $10.5M | ﹤0.01% |
115,091
+105,176
| +1,061% | +$9.63M |
|
3437
PUT
Infosys
INFY
$49B
| $10.5M | ﹤0.01% |
1,005,400
+768,900
| +325% | +$9.63M |
|
3438
Ryanair
RYAAY
$30.5B
| $10.5M | ﹤0.01% |
162,733
-30,325
| -16% | -$1.79M |
|
|
SARO
3439
StandardAero Inc
SARO
$9.23B
| $10.5M | ﹤0.01% |
352,110
-804,810
| -70% | -$21.2M |
|
3440
CALL
Ramaco Resources Class A
METC
$777M
| $10.5M | ﹤0.01% |
796,000
+125,000
| +19% | +$1.82M |
|
3441
PUT
American Healthcare REIT
AHR
$10.5B
| $10.5M | ﹤0.01% |
+201,900
| New | +$9.92M |
|
|
UMH
3442
UMH Properties
UMH
$1.4B
| $10.5M | ﹤0.01% |
694,910
+391,110
| +129% | +$5.99M |
|
3443
Invesco KBW Bank ETF
KBWB
$6.87B
| $10.5M | ﹤0.01% |
113,089
-20,047
| -15% | -$1.75M |
|
3444
Global Ship Lease
GSL
$1.52B
| $10.5M | ﹤0.01% |
279,612
+78,819
| +39% | +$3.08M |
|
3445
Knife River
KNF
$3.77B
| $10.5M | ﹤0.01% |
125,578
+75,197
| +149% | +$6.22M |
|
3446
PUT
Relay Therapeutics
RLAY
$4.35B
| $10.5M | ﹤0.01% |
+561,400
| New | +$8.15M |
|
3447
CALL
American Water Works
AWK
$27.1B
| $10.5M | ﹤0.01% |
79,800
-31,600
| -28% | -$4.06M |
|
3448
CALL
Viatris
VTRS
$18.6B
| $10.5M | ﹤0.01% |
661,000
-439,500
| -40% | -$6.81M |
|
3449
PUT
Lucid Motors
LCID
$2.45B
| $10.5M | ﹤0.01% |
1,568,720
-268,060
| -15% | -$1.73M |
|
3450
Li Auto
LI
$12B
| $10.5M | ﹤0.01% |
893,263
+850,235
| +1,976% | +$13.9M |
|
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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.