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 | |
|---|---|---|---|---|---|---|
|
SMST
8226
PUT
Defiance Daily Target 2x Short MSTR ETF
SMST
$23.4M
| $774K | ﹤0.01% |
11,800
-25,600
| -68% | -$1.83M |
|
8227
Vanguard Information Technology ETF
VGT
$146B
| $774K | ﹤0.01% |
8,872
-643,184
| -99% | -$59.2M |
|
8228
CALL
Denali Therapeutics
DNLI
$4.03B
| $774K | ﹤0.01% |
40,300
+13,200
| +49% | +$263K |
|
|
TMQ
8229
CALL
Trilogy Metals
TMQ
$641M
| $773K | ﹤0.01% |
215,400
-48,400
| -18% | -$221K |
|
8230
CALL
Piper Sandler
PIPR
$5.4B
| $773K | ﹤0.01% |
10,100
-16,300
| -62% | -$1.34M |
|
8231
Invesco 0-5 Yr US TIPS ETF
PBTP
$121M
| $772K | ﹤0.01% |
29,518
+18,931
| +179% | +$494K |
|
8232
PUT
Spyre Therapeutics
SYRE
$9.53B
| $772K | ﹤0.01% |
15,300
-9,600
| -39% | -$362K |
|
8233
The RMR Group
RMR
$342M
| $772K | ﹤0.01% |
49,885
+33,086
| +197% | +$537K |
|
8234
VanEck Digital Transformation ETF
DAPP
$233M
| $772K | ﹤0.01% |
51,712
-3,901
| -7% | -$67K |
|
8235
CALL
iShares Russell Top 200 Growth ETF
IWY
$16.2B
| $771K | ﹤0.01% |
3,100
+1,500
| +94% | +$397K |
|
8236
PUT
Skywest
SKYW
$3.99B
| $771K | ﹤0.01% |
8,400
-5,300
| -39% | -$523K |
|
8237
PUT
Vanguard Russell 2000 ETF
VTWO
$17.4B
| $771K | ﹤0.01% |
7,700
-1,500
| -16% | -$156K |
|
8238
PUT
Kaiser Aluminum
KALU
$2.62B
| $771K | ﹤0.01% |
6,400
+4,200
| +191% | +$532K |
|
8239
VanEck Morningstar SMID Moat ETF
SMOT
$338M
| $770K | ﹤0.01% |
21,895
+8,082
| +59% | +$295K |
|
|
CALY
8240
PUT
Callaway Golf Company
CALY
$2.9B
| $770K | ﹤0.01% |
55,500
-99,300
| -64% | -$1.39M |
|
8241
PUT
Silicon Laboratories
SLAB
$7.31B
| $770K | ﹤0.01% |
3,700
-2,300
| -38% | -$422K |
|
8242
PUT
AdaptHealth
AHCO
$758M
| $770K | ﹤0.01% |
64,700
+12,100
| +23% | +$124K |
|
8243
CALL
Resources Connection
RGP
$153M
| $770K | ﹤0.01% |
+206,400
| New | +$845K |
|
8244
Franklin US Core Dividend Tilt Index ETF
UDIV
$149M
| $770K | ﹤0.01% |
14,915
-1,193
| -7% | -$64K |
|
8245
CALL
Inter&Co
INTR
$2.37B
| $770K | ﹤0.01% |
96,700
-9,800
| -9% | -$85.1K |
|
8246
CALL
InfraCap MLP ETF
AMZA
$477M
| $770K | ﹤0.01% |
+16,700
| New | +$731K |
|
8247
PUT
Gentherm
THRM
$1.3B
| $770K | ﹤0.01% |
+27,700
| New | +$904K |
|
|
DFDV
8248
CALL
DeFi Development Corp
DFDV
$98.9M
| $769K | ﹤0.01% |
233,700
-134,500
| -37% | -$647K |
|
8249
PUT
Invesco Global Listed Private Equity ETF
PSP
$250M
| $769K | ﹤0.01% |
+13,600
| New | +$854K |
|
|
DHIL
8250
DELISTED
Diamond Hill
DHIL
| $768K | ﹤0.01% |
+4,460
| New | +$764K |
|
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.