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 | |
|---|---|---|---|---|---|---|
2376
First Trust Long Duration Opportunities ETF
LGOV
$622M
| $22.5M | ﹤0.01% |
1,052,410
+572,772
| +119% | +$12.3M |
|
2377
CALL
SM Energy
SM
$8.03B
| $22.5M | ﹤0.01% |
862,760
+340,785
| +65% | +$10.2M |
|
|
FRMI
2378
PUT
Fermi Inc
FRMI
$4.08B
| $22.5M | ﹤0.01% |
2,455,200
+920,200
| +60% | +$5.82M |
|
2379
CALL
Direxion Daily S&P 500 Bear 3x ETF
SPXS
$329M
| $22.5M | ﹤0.01% |
848,980
+567,310
| +201% | +$16.7M |
|
2380
CALL
ATI
ATI
$31.1B
| $22.5M | ﹤0.01% |
114,100
-76,100
| -40% | -$12.9M |
|
2381
CALL
Banco Bilbao Vizcaya Argentaria
BBVA
$158B
| $22.5M | ﹤0.01% |
896,500
-841,100
| -48% | -$19.2M |
|
2382
PUT
argenx
ARGX
$53.3B
| $22.5M | ﹤0.01% |
24,200
-5,300
| -18% | -$4.37M |
|
2383
CALL
Viking Holdings
VIK
$43.7B
| $22.4M | ﹤0.01% |
214,200
+141,800
| +196% | +$12.3M |
|
2384
CALL
Corcept Therapeutics
CORT
$12.4B
| $22.4M | ﹤0.01% |
257,700
+49,000
| +23% | +$2.96M |
|
2385
CALL
Iridium Communications
IRDM
$5.32B
| $22.4M | ﹤0.01% |
408,000
+312,100
| +325% | +$13.3M |
|
2386
PUT
MACOM Technology Solutions
MTSI
$24.2B
| $22.4M | ﹤0.01% |
58,800
+43,300
| +279% | +$14.4M |
|
2387
Globe Life
GL
$14.1B
| $22.4M | ﹤0.01% |
125,122
-126,935
| -50% | -$19.9M |
|
2388
Performance Food Group
PFGC
$16.8B
| $22.4M | ﹤0.01% |
199,947
-1,790,192
| -90% | -$170M |
|
2389
CALL
Canadian Imperial Bank of Commerce
CM
$113B
| $22.3M | ﹤0.01% |
193,900
+52,200
| +37% | +$5.73M |
|
2390
Old Republic International
ORI
$10.3B
| $22.3M | ﹤0.01% |
544,708
+187,715
| +53% | +$7.44M |
|
2391
RXO
RXO
$3.88B
| $22.3M | ﹤0.01% |
807,076
+100,579
| +14% | +$2.22M |
|
2392
iShares MSCI Brazil ETF
EWZ
$8.59B
| $22.2M | ﹤0.01% |
644,853
+441,978
| +218% | +$16.5M |
|
2393
CALL
Stanley Black & Decker
SWK
$15.4B
| $22.2M | ﹤0.01% |
235,900
-29,800
| -11% | -$2.33M |
|
2394
CALL
GE HealthCare
GEHC
$33.3B
| $22.2M | ﹤0.01% |
346,800
-624,500
| -64% | -$41M |
|
|
ETOR
2395
CALL
eToro Group
ETOR
$2.27B
| $22.2M | ﹤0.01% |
562,400
-216,700
| -28% | -$8.16M |
|
2396
CALL
AvalonBay Communities
AVB
$26.3B
| $22.2M | ﹤0.01% |
117,600
+54,600
| +87% | +$9.87M |
|
2397
ACI Worldwide
ACIW
$5.4B
| $22.2M | ﹤0.01% |
441,204
+391,600
| +789% | +$17M |
|
2398
PUT
ZIM Integrated Shipping Services
ZIM
$3.39B
| $22.2M | ﹤0.01% |
852,900
-6,100
| -0.7% | -$157K |
|
2399
PUT
Magnite
MGNI
$3.55B
| $22.2M | ﹤0.01% |
1,168,300
+128,300
| +12% | +$1.84M |
|
2400
Mettler-Toledo International
MTD
$28.4B
| $22.2M | ﹤0.01% |
17,357
-40,697
| -70% | -$49.1M |
|
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.