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 | |
|---|---|---|---|---|---|---|
9851
American Century Focused Large Cap Value ETF
FLV
$376M
| $384K | ﹤0.01% |
+5,005
| New | +$394K |
|
9852
Skillsoft
SKIL
$77.2M
| $384K | ﹤0.01% |
+89,454
| New | +$567K |
|
9853
CALL
Knife River
KNF
$3.83B
| $384K | ﹤0.01% |
4,700
-3,400
| -42% | -$274K |
|
9854
PUT
Aclaris Therapeutics
ACRS
$866M
| $384K | ﹤0.01% |
+102,300
| New | +$345K |
|
9855
PUT
Cadre Holdings
CDRE
$1.44B
| $384K | ﹤0.01% |
+12,500
| New | +$499K |
|
9856
PUT
Ironwood Pharmaceuticals
IRWD
$717M
| $383K | ﹤0.01% |
109,200
+95,500
| +697% | +$391K |
|
9857
Invesco Bloomberg Analyst Rating Improvers ETF
UPGD
$121M
| $383K | ﹤0.01% |
+5,258
| New | +$402K |
|
9858
PUT
Vanguard Materials ETF
VAW
$3.08B
| $383K | ﹤0.01% |
1,700
+600
| +55% | +$137K |
|
9859
PUT
Choice Hotels
CHH
$4.68B
| $383K | ﹤0.01% |
3,700
-800
| -18% | -$83.2K |
|
9860
CALL
Microvast
MVST
$336M
| $383K | ﹤0.01% |
255,200
-65,200
| -20% | -$157K |
|
9861
PUT
Teleflex
TFX
$5.86B
| $383K | ﹤0.01% |
3,200
| – | – |
|
9862
ProShares Ultra High Yield
UJB
$18.9M
| $383K | ﹤0.01% |
4,999
-44
| -0.9% | -$3.47K |
|
9863
CALL
BJ's Restaurants
BJRI
$1.46B
| $383K | ﹤0.01% |
10,900
-2,900
| -21% | -$116K |
|
|
TRON
9864
CALL
Tron Inc
TRON
$712M
| $382K | ﹤0.01% |
168,400
-97,900
| -37% | -$154K |
|
9865
PUT
ClearPoint Neuro
CLPT
$444M
| $382K | ﹤0.01% |
42,000
-36,200
| -46% | -$457K |
|
9866
Avantis US Large Cap Equity ETF
AVLC
$1.43B
| $382K | ﹤0.01% |
4,921
-233
| -5% | -$18.7K |
|
|
CRESY
9867
PUT
Cresud
CRESY
$759M
| $382K | ﹤0.01% |
30,000
-21,000
| -41% | -$255K |
|
9868
iShares LifePath Target Date 2065 ETF
ITDI
$28.5M
| $381K | ﹤0.01% |
+10,304
| New | +$396K |
|
|
XNET
9869
PUT
Xunlei
XNET
$321M
| $381K | ﹤0.01% |
68,600
+33,800
| +97% | +$215K |
|
9870
SPX Corp
SPXC
$10.9B
| $381K | ﹤0.01% |
+1,905
| New | +$409K |
|
9871
PUT
Sabra Healthcare REIT
SBRA
$5.13B
| $381K | ﹤0.01% |
19,800
+1,100
| +6% | +$21.7K |
|
9872
PUT
Star Group
SGU
$417M
| $381K | ﹤0.01% |
+31,000
| New | +$392K |
|
9873
PUT
WisdomTree Japan Hedged Equity Fund
DXJ
$7.55B
| $381K | ﹤0.01% |
2,400
-3,600
| -60% | -$568K |
|
|
XRN
9874
PUT
Chiron Real Estate Inc
XRN
$491M
| $380K | ﹤0.01% |
11,500
-5,260
| -31% | -$185K |
|
9875
CALL
iShares Dow Jones US ETF
IYY
$3.07B
| $380K | ﹤0.01% |
2,400
| – | – |
|
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.