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 | |
|---|---|---|---|---|---|---|
|
SLNO
6151
CALL
DELISTED
Soleno Therapeutics
SLNO
| $1.88M | ﹤0.01% |
56,100
-49,700
| -47% | -$1.95M |
|
6152
Liberty Latin America Class A
LILA
$1.66B
| $1.88M | ﹤0.01% |
319,749
+50,114
| +19% | +$264K |
|
6153
Lionsgate Studios
LION
$3.55B
| $1.88M | ﹤0.01% |
195,662
-2,234,448
| -92% | -$20.6M |
|
6154
CALL
CorMedix
CRMD
$569M
| $1.88M | ﹤0.01% |
276,300
+178,100
| +181% | +$1.32M |
|
6155
PUT
Global X MSCI Argentina ETF
ARGT
$817M
| $1.88M | ﹤0.01% |
20,100
-19,200
| -49% | -$1.77M |
|
6156
CALL
NMI Holdings
NMIH
$3.36B
| $1.88M | ﹤0.01% |
50,000
-1,900
| -4% | -$73.6K |
|
6157
PUT
United Natural Foods
UNFI
$2.86B
| $1.87M | ﹤0.01% |
41,600
-204,900
| -83% | -$7.85M |
|
|
LGN
6158
CALL
Legence Corp
LGN
$5.23B
| $1.87M | ﹤0.01% |
+33,200
| New | +$1.67M |
|
6159
PUT
VanEck BDC Income ETF
BIZD
$1.68B
| $1.87M | ﹤0.01% |
146,400
+51,600
| +54% | +$695K |
|
6160
Manitowoc
MTW
$700M
| $1.87M | ﹤0.01% |
160,841
+142,753
| +789% | +$1.91M |
|
6161
CALL
Universal Technical Institute
UTI
$1.44B
| $1.87M | ﹤0.01% |
51,900
+25,900
| +100% | +$817K |
|
6162
PUT
Qorvo
QRVO
$8.51B
| $1.87M | ﹤0.01% |
24,200
-17,600
| -42% | -$1.42M |
|
6163
PUT
Bright Horizons
BFAM
$3.77B
| $1.87M | ﹤0.01% |
+22,800
| New | +$1.92M |
|
|
OPPJ
6164
WisdomTree Trust WisdomTree Japan Opportunities Fund
OPPJ
$289M
| $1.87M | ﹤0.01% |
34,443
+4,216
| +14% | +$224K |
|
|
PMT
6165
PUT
PennyMac Mortgage Investment
PMT
$835M
| $1.87M | ﹤0.01% |
160,500
+121,400
| +310% | +$1.5M |
|
|
FGNX
6166
FG Nexus Inc
FGNX
$39.9M
| $1.87M | ﹤0.01% |
374,927
-137,001
| -27% | -$1.4M |
|
6167
CALL
iShares MSCI Malaysia ETF
EWM
$333M
| $1.87M | ﹤0.01% |
+65,800
| New | +$1.9M |
|
|
SKE
6168
Skeena Resources
SKE
$4.18B
| $1.87M | ﹤0.01% |
62,847
-286,026
| -82% | -$8.78M |
|
6169
PUT
Commercial Metals
CMC
$7.94B
| $1.87M | ﹤0.01% |
30,400
+12,700
| +72% | +$917K |
|
6170
iShares S&P India Nifty 50 Index Fund
INDY
$563M
| $1.87M | ﹤0.01% |
44,209
-90,774
| -67% | -$4.21M |
|
|
STLN
6171
Starling Oncology, Inc. Common Stock
STLN
$619M
| $1.87M | ﹤0.01% |
+608,267
| New | +$1.87M |
|
6172
Pacer Metaurus US Large Cap Dividend Multiplier 400 ETF
QDPL
$1.77B
| $1.87M | ﹤0.01% |
+46,495
| New | +$1.96M |
|
6173
Mistras Group
MG
$602M
| $1.87M | ﹤0.01% |
126,234
+23,337
| +23% | +$337K |
|
6174
PUT
Aflac
AFL
$60.6B
| $1.87M | ﹤0.01% |
17,000
-214,800
| -93% | -$23.8M |
|
6175
Fidelity Disruptive Technology ETF
FDTX
$296M
| $1.86M | ﹤0.01% |
50,503
-232
| -0.5% | -$9.12K |
|
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.