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 | |
|---|---|---|---|---|---|---|
3526
PUT
Omnicom Group
OMC
$24B
| $9.99M | ﹤0.01% |
137,236
+1,794
| +1% | +$135K |
|
3527
National Bank Holdings
NBHC
$1.94B
| $9.99M | ﹤0.01% |
224,917
+132,592
| +144% | +$5.6M |
|
3528
CALL
Ferguson
FERG
$47.4B
| $9.99M | ﹤0.01% |
42,100
+24,800
| +143% | +$5.98M |
|
3529
Liberty Global Class A
LBTYA
$3.57B
| $9.99M | ﹤0.01% |
878,318
+505,898
| +136% | +$6.05M |
|
3530
InterDigital
IDCC
$8.87B
| $9.98M | ﹤0.01% |
35,252
-28,648
| -45% | -$8.52M |
|
3531
PUT
Equifax
EFX
$21.2B
| $9.97M | ﹤0.01% |
62,800
+34,700
| +123% | +$5.91M |
|
3532
Piper Sandler
PIPR
$5.41B
| $9.95M | ﹤0.01% |
137,589
-183,799
| -57% | -$14.9M |
|
3533
CALL
Mid-America Apartment Communities
MAA
$15.5B
| $9.95M | ﹤0.01% |
71,600
+45,500
| +174% | +$5.94M |
|
3534
Ternium
TX
$10.6B
| $9.95M | ﹤0.01% |
232,929
+118,857
| +104% | +$5.36M |
|
|
MESO
3535
CALL
Mesoblast
MESO
$2.02B
| $9.94M | ﹤0.01% |
734,700
+316,400
| +76% | +$4.7M |
|
3536
PUT
ProShares Ultra Bloomberg Natural Gas
BOIL
$397M
| $9.93M | ﹤0.01% |
361,940
-170,800
| -32% | -$4.68M |
|
3537
Target Hospitality
TH
$1.74B
| $9.93M | ﹤0.01% |
487,692
+5,967
| +1% | +$99.7K |
|
3538
CALL
GeneDx Holdings
WGS
$2.33B
| $9.93M | ﹤0.01% |
144,600
+66,500
| +85% | +$3.78M |
|
3539
CALL
Textron
TXT
$15.3B
| $9.93M | ﹤0.01% |
108,200
+33,500
| +45% | +$3.04M |
|
|
TMHC
3540
PUT
DELISTED
Taylor Morrison
TMHC
| $9.91M | ﹤0.01% |
+138,200
| New | +$8.78M |
|
3541
Labcorp
LH
$25.8B
| $9.9M | ﹤0.01% |
35,367
-35,972
| -50% | -$9.46M |
|
3542
Fulcrum Therapeutics
FULC
$285M
| $9.9M | ﹤0.01% |
2,704,505
+1,412,019
| +109% | +$8.59M |
|
3543
PUT
Harrow
HROW
$1.5B
| $9.9M | ﹤0.01% |
233,000
+62,900
| +37% | +$2.34M |
|
3544
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.97B
| $9.89M | ﹤0.01% |
+183,814
| New | +$9.82M |
|
3545
PUT
abrdn Physical Silver Shares ETF
SIVR
$4.49B
| $9.88M | ﹤0.01% |
175,800
-41,300
| -19% | -$2.88M |
|
3546
CALL
Thomson Reuters
TRI
$44.9B
| $9.88M | ﹤0.01% |
120,932
+31,337
| +35% | +$2.74M |
|
3547
Vanguard Short-Term Corporate Bond ETF
VCSH
$45B
| $9.87M | ﹤0.01% |
+124,882
| New | +$9.87M |
|
3548
PUT
Booz Allen Hamilton
BAH
$9.32B
| $9.86M | ﹤0.01% |
162,600
+68,500
| +73% | +$5.23M |
|
3549
Global X Uranium ETF
URA
$6.27B
| $9.86M | ﹤0.01% |
225,674
-316,168
| -58% | -$16M |
|
3550
Gentherm
THRM
$1.35B
| $9.84M | ﹤0.01% |
288,549
+76,076
| +36% | +$2.45M |
|
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.