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 | |
|---|---|---|---|---|---|---|
2401
NMI Holdings
NMIH
$3.44B
| $22.2M | ﹤0.01% |
539,325
+324,530
| +151% | +$12.4M |
|
2402
Methanex
MEOH
$4.34B
| $22M | ﹤0.01% |
477,670
+375,544
| +368% | +$22.1M |
|
2403
MGIC Investment
MTG
$6.39B
| $22M | ﹤0.01% |
781,710
-464,559
| -37% | -$12.4M |
|
|
FITB
2404
Fifth Third Bancorp
FITB
$52.7B
| $22M | ﹤0.01% |
390,883
+30,543
| +8% | +$1.55M |
|
|
LCLN
2405
Lincoln International
LCLN
$889M
| $22M | ﹤0.01% |
+922,880
| New | +$21.8M |
|
2406
Qfin Holdings
QFIN
$1.49B
| $22M | ﹤0.01% |
1,391,208
+1,170,091
| +529% | +$16.4M |
|
2407
Plains All American Pipeline
PAA
$16.9B
| $22M | ﹤0.01% |
+987,394
| New | +$21.9M |
|
2408
CALL
Option Care Health
OPCH
$3.59B
| $21.9M | ﹤0.01% |
1,046,200
+149,500
| +17% | +$3.48M |
|
2409
Sea Limited
SE
$74.7B
| $21.9M | ﹤0.01% |
228,704
-1,111,552
| -83% | -$97.7M |
|
2410
United Bankshares
UBSI
$6.71B
| $21.9M | ﹤0.01% |
477,973
-166,281
| -26% | -$7.27M |
|
|
YSWY
2411
Yesway Inc
YSWY
$785M
| $21.9M | ﹤0.01% |
+1,079,044
| New | +$25M |
|
2412
NewAmsterdam Pharma
NAMS
$3.23B
| $21.9M | ﹤0.01% |
645,805
-66,259
| -9% | -$2.18M |
|
2413
Teekay Tankers
TNK
$2.95B
| $21.9M | ﹤0.01% |
337,335
+79,866
| +31% | +$6.01M |
|
2414
PUT
Sportradar
SRAD
$4.09B
| $21.9M | ﹤0.01% |
1,461,500
+1,334,400
| +1,050% | +$19.4M |
|
2415
MGM Resorts International
MGM
$11.1B
| $21.9M | ﹤0.01% |
457,615
+192,162
| +72% | +$7.99M |
|
|
BXDC
2416
Blackstone Digital Infrastructure Trust
BXDC
$2.11B
| $21.8M | ﹤0.01% |
+1,010,000
| New | +$21.9M |
|
2417
CALL
Cintas
CTAS
$79.8B
| $21.8M | ﹤0.01% |
128,400
-22,600
| -15% | -$3.91M |
|
2418
CALL
F5
FFIV
$22.8B
| $21.8M | ﹤0.01% |
52,500
+27,800
| +113% | +$9.88M |
|
|
EROC
2419
ERock Inc
EROC
$805M
| $21.8M | ﹤0.01% |
+1,505,997
| New | +$24M |
|
2420
CALL
Illumina
ILMN
$28.8B
| $21.8M | ﹤0.01% |
124,100
-7,300
| -6% | -$1.07M |
|
2421
PUT
Sphere Entertainment
SPHR
$6.03B
| $21.8M | ﹤0.01% |
126,000
-46,700
| -27% | -$6.51M |
|
2422
CALL
Arrowhead Research
ARWR
$12.2B
| $21.8M | ﹤0.01% |
266,900
+79,900
| +43% | +$5.9M |
|
2423
iShares MSCI Europe Financials ETF
EUFN
$4.31B
| $21.7M | ﹤0.01% |
+557,434
| New | +$21.1M |
|
2424
CALL
Golar LNG
GLNG
$5.34B
| $21.7M | ﹤0.01% |
435,700
-76,400
| -15% | -$4.04M |
|
2425
PUT
Sprouts Farmers Market
SFM
$7.69B
| $21.7M | ﹤0.01% |
256,600
-34,800
| -12% | -$2.81M |
|
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.