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 | |
|---|---|---|---|---|---|---|
9076
Sprout Social
SPT
$600M
| $538K | ﹤0.01% |
94,359
-410,397
| -81% | -$3.16M |
|
9077
CALL
Procept Biorobotics
PRCT
$1.31B
| $538K | ﹤0.01% |
21,500
+1,900
| +10% | +$53.5K |
|
9078
PUT
Universal Corp
UVV
$1.15B
| $538K | ﹤0.01% |
10,200
+3,000
| +42% | +$161K |
|
9079
CALL
Sturm, Ruger & Co
RGR
$598M
| $537K | ﹤0.01% |
13,400
-6,800
| -34% | -$258K |
|
9080
Fidelity Fundamental Large Cap Growth ETF
FFLG
$614M
| $537K | ﹤0.01% |
+19,298
| New | +$567K |
|
9081
CION Investment
CION
$372M
| $537K | ﹤0.01% |
78,454
-55,383
| -41% | -$465K |
|
9082
Helen of Troy
HELE
$682M
| $536K | ﹤0.01% |
37,187
-186,333
| -83% | -$3.26M |
|
9083
ProShares S&P 500 ex-Technology ETF
SPXT
$292M
| $536K | ﹤0.01% |
5,292
-1,794
| -25% | -$189K |
|
|
ACH
9084
Accendra Health
ACH
$96.9M
| $536K | ﹤0.01% |
235,139
-1,386,872
| -86% | -$3.19M |
|
9085
Republic Bancorp
RBCAA
$1.95B
| $536K | ﹤0.01% |
7,596
+3,186
| +72% | +$225K |
|
9086
PUT
Corteva
CTVA
$50.9B
| $536K | ﹤0.01% |
6,400
-65,900
| -91% | -$4.96M |
|
9087
PUT
QuidelOrtho
QDEL
$959M
| $536K | ﹤0.01% |
32,600
-6,000
| -16% | -$147K |
|
|
SLDR
9088
Global X Short-Term Treasury Ladder ETF
SLDR
$38.2M
| $536K | ﹤0.01% |
+10,705
| New | +$538K |
|
9089
CALL
ProShares UltraShort QQQ
QID
$251M
| $535K | ﹤0.01% |
23,600
-176,220
| -88% | -$3.65M |
|
9090
Taylor Devices
TAYD
$172M
| $535K | ﹤0.01% |
9,378
-261
| -3% | -$20.1K |
|
9091
Sanara MedTech
SMTI
$316M
| $535K | ﹤0.01% |
31,113
+20,965
| +207% | +$431K |
|
9092
Schwab Municipal Bond ETF
SCMB
$3.98B
| $534K | ﹤0.01% |
+20,977
| New | +$542K |
|
9093
PUT
Alpha Tau Medical
DRTS
$1.29B
| $534K | ﹤0.01% |
75,600
+50,400
| +200% | +$356K |
|
|
FSGS
9094
First Trust SMID Growth Strength ETF
FSGS
$32.1M
| $534K | ﹤0.01% |
18,271
-999
| -5% | -$30.5K |
|
|
GRVY
9095
GRAVITY
GRVY
$486M
| $533K | ﹤0.01% |
8,607
+1,932
| +29% | +$123K |
|
9096
BNY Mellon US Mid Cap Core Equity ETF
BKMC
$671M
| $533K | ﹤0.01% |
+14,502
| New | +$553K |
|
9097
PUT
Shutterstock
SSTK
$200M
| $533K | ﹤0.01% |
32,100
+15,400
| +92% | +$271K |
|
9098
Definitive Healthcare
DH
$68.7M
| $533K | ﹤0.01% |
433,408
+143,108
| +49% | +$249K |
|
9099
YieldMax Magnificent 7 Fund of Option Income ETFs
YMAG
$289M
| $532K | ﹤0.01% |
+44,559
| New | +$587K |
|
9100
Franklin FTSE Europe ETF
FLEE
$120M
| $532K | ﹤0.01% |
+14,644
| New | +$552K |
|
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.