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 | |
|---|---|---|---|---|---|---|
9876
CALL
iShares Dow Jones US ETF
IYY
$3.07B
| $380K | ﹤0.01% |
2,400
| – | – |
|
|
YSG
9877
Yatsen Holding
YSG
$319M
| $380K | ﹤0.01% |
123,455
-66,365
| -35% | -$267K |
|
9878
National CineMedia
NCMI
$257M
| $380K | ﹤0.01% |
124,607
-114,057
| -48% | -$400K |
|
9879
CALL
iShares Global Utilities ETF
JXI
$308M
| $380K | ﹤0.01% |
+4,400
| New | +$369K |
|
9880
PUT
Biohaven
BHVN
$2.21B
| $380K | ﹤0.01% |
44,900
-95,400
| -68% | -$1.04M |
|
|
FPI
9881
PUT
Farmland Partners
FPI
$433M
| $380K | ﹤0.01% |
33,800
+13,500
| +67% | +$155K |
|
9882
CALL
Solid Power
SLDP
$536M
| $379K | ﹤0.01% |
126,400
-2,400
| -2% | -$9.67K |
|
|
EU
9883
PUT
enCore Energy
EU
$220M
| $379K | ﹤0.01% |
210,600
-31,700
| -13% | -$81K |
|
9884
PUT
KB Financial Group
KB
$42.2B
| $379K | ﹤0.01% |
+3,800
| New | +$382K |
|
|
ARMY
9885
Tema International Defense ETF
ARMY
$8M
| $379K | ﹤0.01% |
14,950
+5,532
| +59% | +$150K |
|
9886
Crexendo
CXDO
$221M
| $378K | ﹤0.01% |
61,289
+32,222
| +111% | +$212K |
|
9887
Precipio
PRPO
$42M
| $378K | ﹤0.01% |
+15,116
| New | +$374K |
|
9888
CALL
Gentex
GNTX
$5.03B
| $378K | ﹤0.01% |
+17,300
| New | +$401K |
|
9889
PUT
iShares MSCI Malaysia ETF
EWM
$331M
| $378K | ﹤0.01% |
+13,300
| New | +$384K |
|
9890
CALL
Biomea Fusion
BMEA
$95.7M
| $378K | ﹤0.01% |
246,900
+15,400
| +7% | +$20.2K |
|
|
TGEN
9891
Tecogen Inc
TGEN
$110M
| $378K | ﹤0.01% |
147,472
+98,552
| +201% | +$362K |
|
|
CSGS
9892
DELISTED
CSG Systems International
CSGS
| $377K | ﹤0.01% |
4,722
-47,366
| -91% | -$3.77M |
|
9893
CALL
Simply Good Foods
SMPL
$1B
| $377K | ﹤0.01% |
26,300
-61,600
| -70% | -$1.06M |
|
9894
ProShares Ultra Health Care
RXL
$88.7M
| $377K | ﹤0.01% |
8,231
+521
| +7% | +$26.6K |
|
9895
CALL
Bausch + Lomb
BLCO
$6.09B
| $377K | ﹤0.01% |
23,700
-12,900
| -35% | -$219K |
|
9896
PUT
Teradata
TDC
$2.56B
| $377K | ﹤0.01% |
14,700
-27,100
| -65% | -$791K |
|
9897
BlackRock Future Health ETF
BMED
$13M
| $377K | ﹤0.01% |
13,018
+557
| +4% | +$16.9K |
|
9898
First Trust Mid Cap Value AlphaDEX Fund
FNK
$231M
| $377K | ﹤0.01% |
+6,597
| New | +$385K |
|
9899
Invesco Dorsey Wright Consumer Staples Momentum ETF
PSL
$83.5M
| $376K | ﹤0.01% |
3,466
-2,966
| -46% | -$325K |
|
9900
Lesaka Technologies
LSAK
$406M
| $376K | ﹤0.01% |
73,817
+51,071
| +225% | +$240K |
|
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.