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 | |
|---|---|---|---|---|---|---|
6726
CALL
Petrobras Class A
PBR.A
$103B
| $1.46M | ﹤0.01% |
78,000
+61,700
| +379% | +$914K |
|
6727
PUT
Compass
COMP
$9.77B
| $1.46M | ﹤0.01% |
200,047
-422,853
| -68% | -$4.44M |
|
6728
Riskified
RSKD
$846M
| $1.46M | ﹤0.01% |
372,983
+72,757
| +24% | +$322K |
|
6729
CareDx
CDNA
$2.45B
| $1.46M | ﹤0.01% |
84,173
-558,589
| -87% | -$10.6M |
|
6730
Mercantile Bank Corp
MBWM
$1.06B
| $1.46M | ﹤0.01% |
28,933
-7,801
| -21% | -$401K |
|
|
MTA
6731
Metalla Royalty & Streaming
MTA
$854M
| $1.46M | ﹤0.01% |
220,322
+139,702
| +173% | +$1.11M |
|
6732
PUT
Littelfuse
LFUS
$11.7B
| $1.46M | ﹤0.01% |
4,300
+2,600
| +153% | +$844K |
|
6733
Fidelity Metaverse ETF
FMET
$46.4M
| $1.46M | ﹤0.01% |
46,432
-23,996
| -34% | -$816K |
|
6734
PUT
Nordic American Tanker
NAT
$1.36B
| $1.46M | ﹤0.01% |
248,700
+134,700
| +118% | +$637K |
|
6735
PUT
Kyndryl
KD
$2.85B
| $1.46M | ﹤0.01% |
111,000
-53,300
| -32% | -$938K |
|
|
IEAGU
6736
Infinite Eagle Acquisition Corp Unit
IEAGU
$311M
| $1.46M | ﹤0.01% |
+143,337
| New | +$1.46M |
|
6737
Utz Brands
UTZ
$1.25B
| $1.46M | ﹤0.01% |
183,842
-621,375
| -77% | -$5.77M |
|
6738
First Trust Large Cap Growth AlphaDEX Fund
FTC
$1.4B
| $1.46M | ﹤0.01% |
9,445
+962
| +11% | +$155K |
|
|
MAGY
6739
Roundhill Magnificent Seven Covered Call ETF
MAGY
$114M
| $1.45M | ﹤0.01% |
+32,750
| New | +$1.61M |
|
6740
CALL
Inspire Medical Systems
INSP
$1.68B
| $1.45M | ﹤0.01% |
28,200
+12,400
| +78% | +$868K |
|
|
RZLV
6741
CALL
Rezolve AI
RZLV
$1.07B
| $1.45M | ﹤0.01% |
567,600
-4,100
| -0.7% | -$11.6K |
|
6742
CALL
Coursera
COUR
$1.48B
| $1.45M | ﹤0.01% |
249,600
+75,000
| +43% | +$468K |
|
6743
CALL
Saic
SAIC
$5.34B
| $1.45M | ﹤0.01% |
15,300
-4,400
| -22% | -$431K |
|
6744
GraniteShares ETF Trust GraniteShares 2x Long NVDA Daily ETF
NVDL
$3.84B
| $1.45M | ﹤0.01% |
60,024
-1,464,282
| -96% | -$40.5M |
|
|
6745
Petrobras
PBR
$114B
| $1.45M | ﹤0.01% |
69,966
-275
| -0.4% | -$4.4K |
|
6746
PUT
iRhythm Holdings
IRTC
$4.13B
| $1.45M | ﹤0.01% |
12,300
-69,800
| -85% | -$10.1M |
|
6747
Orthofix Medical
OFIX
$424M
| $1.45M | ﹤0.01% |
126,403
+106,858
| +547% | +$1.41M |
|
6748
PUT
Vanguard Long-Term Corporate Bond ETF
VCLT
$8.75B
| $1.45M | ﹤0.01% |
19,400
+1,200
| +7% | +$91.2K |
|
6749
PUT
iShares US Regional Banks ETF
IAT
$687M
| $1.45M | ﹤0.01% |
26,900
+2,300
| +9% | +$130K |
|
6750
FlexShares Quality Dividend Index Fund
QDF
$2.28B
| $1.45M | ﹤0.01% |
+18,312
| New | +$1.5M |
|
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.