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 | |
|---|---|---|---|---|---|---|
7526
MBIA
MBI
$253M
| $1.04M | ﹤0.01% |
175,907
-5,304
| -3% | -$33.8K |
|
7527
PUT
Vanguard Financials ETF
VFH
$13.8B
| $1.04M | ﹤0.01% |
8,600
+6,900
| +406% | +$880K |
|
7528
CALL
Goodyear
GT
$1.75B
| $1.04M | ﹤0.01% |
156,700
-582,300
| -79% | -$4.91M |
|
7529
Innovative Industrial Properties
IIPR
$1.67B
| $1.04M | ﹤0.01% |
20,704
+9,603
| +87% | +$484K |
|
|
MBBA
7530
iShares Mortgage-Backed Securities Active ETF
MBBA
$154M
| $1.04M | ﹤0.01% |
+20,825
| New | +$1.05M |
|
|
CMRC
7531
Commerce.com Inc Series 1
CMRC
$186M
| $1.04M | ﹤0.01% |
388,095
+54,833
| +16% | +$171K |
|
|
RDAGU
7532
Republic Digital Acquisition Co Unit
RDAGU
| $1.04M | ﹤0.01% |
99,147
-202,892
| -67% | -$2.12M |
|
|
MEMA
7533
Man Active Emerging Markets Alternative ETF
MEMA
$12.1M
| $1.04M | ﹤0.01% |
+38,331
| New | +$1.07M |
|
7534
PUT
US Gold Corp
USAU
$251M
| $1.04M | ﹤0.01% |
68,200
-22,300
| -25% | -$400K |
|
|
SDFI
7535
AB Short Duration Income ETF
SDFI
$187M
| $1.04M | ﹤0.01% |
29,072
+14
| +0% | +$501 |
|
7536
LSI Industries
LYTS
$907M
| $1.04M | ﹤0.01% |
55,659
+30,427
| +121% | +$628K |
|
7537
CALL
MidCap Financial Investment
MFIC
$804M
| $1.04M | ﹤0.01% |
92,100
+47,600
| +107% | +$525K |
|
7538
PUT
Assured Guaranty
AGO
$3.31B
| $1.03M | ﹤0.01% |
12,700
+3,900
| +44% | +$333K |
|
7539
CALL
Applied Industrial Technologies
AIT
$13B
| $1.03M | ﹤0.01% |
3,900
-8,700
| -69% | -$2.37M |
|
7540
Plumas Bancorp
PLBC
$433M
| $1.03M | ﹤0.01% |
21,194
-8,154
| -28% | -$402K |
|
7541
PUT
Pilgrim's Pride
PPC
$6.4B
| $1.03M | ﹤0.01% |
27,400
+500
| +2% | +$20.2K |
|
|
IDVY
7542
First Trust International Rising Dividend Achievers ETF
IDVY
$1.36M
| $1.03M | ﹤0.01% |
+44,454
| New | +$1.07M |
|
7543
Surrozen
SRZN
$294M
| $1.03M | ﹤0.01% |
35,469
+20,729
| +141% | +$497K |
|
7544
Davis Select US Equity ETF
DUSA
$1.27B
| $1.03M | ﹤0.01% |
+20,354
| New | +$1.05M |
|
7545
Columbia Financial
CLBK
$1.15B
| $1.03M | ﹤0.01% |
58,927
-64,173
| -52% | -$1.1M |
|
|
NBIG
7546
CALL
Leverage Shares 2X Long NBIS Daily ETF
NBIG
$75.6M
| $1.03M | ﹤0.01% |
+141,100
| New | +$1.13M |
|
7547
PUT
Vanguard FTSE Europe ETF
VGK
$31B
| $1.03M | ﹤0.01% |
12,500
+9,100
| +268% | +$782K |
|
7548
Arteris
AIP
$1.35B
| $1.03M | ﹤0.01% |
62,672
-471
| -0.7% | -$7.46K |
|
7549
PUT
Ardelyx
ARDX
$1.02B
| $1.03M | ﹤0.01% |
172,000
-59,800
| -26% | -$396K |
|
7550
Inspire 100 ETF
BIBL
$497M
| $1.03M | ﹤0.01% |
21,846
+15,344
| +236% | +$741K |
|
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.