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
|
+$2.72B |
| 2 |
Meta Platforms (Facebook)
META
|
+$660M |
| 3 |
Micron Technology
MU
|
+$605M |
| 4 |
Mastercard
MA
|
+$497M |
| 5 |
Tesla
TSLA
|
+$495M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$1.33B |
| 2 |
Visa
V
|
+$1.26B |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.23B |
| 4 |
Lam Research
LRCX
|
+$699M |
| 5 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$681M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.49% |
| 2 | Healthcare | 2.99% |
| 3 | Financials | 2.85% |
| 4 | Industrials | 2.56% |
| 5 | Consumer Discretionary | 2.23% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3776
VanEck Pharmaceutical ETF
PPH
$979M
| $6.97M | ﹤0.01% |
+67,086
| New | +$7.15M |
|
3777
RLX Technology
RLX
$2.29B
| $6.97M | ﹤0.01% |
3,166,610
+1,749,939
| +124% | +$4.03M |
|
3778
JPMorgan Municipal ETF
JMUB
$8.51B
| $6.97M | ﹤0.01% |
139,358
-137,365
| -50% | -$6.96M |
|
3779
Timken Company
TKR
$9.29B
| $6.96M | ﹤0.01% |
69,240
+42,459
| +159% | +$4.22M |
|
|
FLG
3780
CALL
Flagstar Bank National Association
FLG
$5.87B
| $6.96M | ﹤0.01% |
528,200
-1,081,466
| -67% | -$14.2M |
|
3781
Immunocore
IMCR
$1.78B
| $6.95M | ﹤0.01% |
230,399
-3,869
| -2% | -$125K |
|
3782
CALL
Constellium
CSTM
$4.04B
| $6.95M | ﹤0.01% |
282,600
+152,800
| +118% | +$3.64M |
|
3783
AMN Healthcare
AMN
$1.32B
| $6.94M | ﹤0.01% |
378,564
-143,156
| -27% | -$2.72M |
|
|
LIF
3784
Life360
LIF
$4.09B
| $6.94M | ﹤0.01% |
170,063
-41,248
| -20% | -$2.13M |
|
3785
PUT
Cognex
CGNX
$11.3B
| $6.94M | ﹤0.01% |
141,700
+39,600
| +39% | +$1.85M |
|
3786
iShares iBonds Dec 2028 Term Corporate ETF
IBDT
$4.08B
| $6.94M | ﹤0.01% |
+274,028
| New | +$6.97M |
|
3787
Forward Air
FWRD
$652M
| $6.94M | ﹤0.01% |
415,342
+105,744
| +34% | +$2.57M |
|
3788
CALL
Goldman Sachs ETF Trust Goldman Sachs Nasdaq-100 Premium Income ETF
GPIQ
$5.46B
| $6.93M | ﹤0.01% |
140,000
+116,400
| +493% | +$6.03M |
|
3789
Lincoln Educational Services
LINC
$922M
| $6.92M | ﹤0.01% |
170,207
+153,010
| +890% | +$4.82M |
|
3790
Greif
GEF
$4.94B
| $6.92M | ﹤0.01% |
103,234
+50,652
| +96% | +$3.59M |
|
3791
CALL
Ralph Lauren
RL
$22.9B
| $6.91M | ﹤0.01% |
20,100
+6,500
| +48% | +$2.31M |
|
3792
PUT
Amdocs
DOX
$6.08B
| $6.9M | ﹤0.01% |
105,800
+75,100
| +245% | +$5.49M |
|
3793
PUT
TD Synnex
SNX
$20.7B
| $6.9M | ﹤0.01% |
40,900
+38,700
| +1,759% | +$6.1M |
|
3794
RxSight
RXST
$267M
| $6.89M | ﹤0.01% |
1,118,719
+72,897
| +7% | +$605K |
|
|
EA
3795
PUT
DELISTED
Electronic Arts
EA
| $6.89M | ﹤0.01% |
33,800
-57,800
| -63% | -$11.7M |
|
3796
InvenTrust Properties
IVT
$2.61B
| $6.89M | ﹤0.01% |
226,176
+1,640
| +0.7% | +$49.4K |
|
3797
PUT
Redwire
RDW
$3.46B
| $6.88M | ﹤0.01% |
809,500
+91,900
| +13% | +$900K |
|
3798
CALL
Canadian National Railway
CNI
$77B
| $6.88M | ﹤0.01% |
66,900
-23,200
| -26% | -$2.39M |
|
3799
United Microelectronic
UMC
$49.4B
| $6.87M | ﹤0.01% |
765,322
-358,988
| -32% | -$3.5M |
|
3800
PUT
Starwood Property Trust
STWD
$6B
| $6.87M | ﹤0.01% |
398,700
-142,800
| -26% | -$2.56M |
|
Similar funds
Ken Griffin's Q1 2026 Portfolio in Review
As of Q1 2026, Ken Griffin held 14,860 positions worth $618B, down 7.1% from $666B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
Ken Griffin withdrew a net $19.5B in Q1 2026, closing 2,003 positions and reducing 5,286 holdings. Its most notable exit was CyberArk, an estimated $305M position sold in full.
By sector, the portfolio is most concentrated in Technology at 4.5% of assets, down from 4.9% a quarter earlier, followed by Healthcare and Financials.
Against the trend, Ken Griffin opened a new position in iShares 7-10 Year Treasury Bond ETF worth $327M.
- Ken Griffin's largest Q1 2026 buy was iShares 7-10 Year Treasury Bond ETF: 3,431,225 shares worth $327M.
- Ken Griffin added most to iShares Core S&P 500 ETF in Q1 2026, an estimated $2.72B increase.
- Ken Griffin's biggest Q1 2026 reduction was Amazon, cutting an estimated $1.33B.
- Ken Griffin fully exited CyberArk in Q1 2026, selling an estimated $305M.
- Ken Griffin's ten largest holdings make up 22% of its $618B portfolio in Q1 2026.
- Ken Griffin opened 2,347 new positions and closed 2,003 in Q1 2026.
- Ken Griffin's portfolio value fell 7.1% quarter-over-quarter to $618B.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.