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 | |
|---|---|---|---|---|---|---|
|
FINV
12176
FinVolution Group
FINV
$1.07B
| $73.5K | ﹤0.01% |
15,344
-648,227
| -98% | -$3.44M |
|
12177
PUT
Rackspace Technology
RXT
$1.1B
| $73.5K | ﹤0.01% |
75,000
+60,500
| +417% | +$73.5K |
|
12178
CALL
Priority Technology Holdings
PRTH
$458M
| $73.2K | ﹤0.01% |
+15,500
| New | +$84.9K |
|
12179
PUT
Protara Therapeutics
TARA
$233M
| $72.9K | ﹤0.01% |
+14,000
| New | +$82.9K |
|
12180
PUT
LENSAR
LNSR
$102M
| $72.7K | ﹤0.01% |
+12,200
| New | +$133K |
|
12181
CALL
Ampco-Pittsburgh
AP
$190M
| $72.6K | ﹤0.01% |
10,800
-200
| -2% | -$1.44K |
|
12182
Information Services Group
III
$250M
| $72.5K | ﹤0.01% |
18,882
-93,535
| -83% | -$460K |
|
12183
CALL
Gossamer Bio
GOSS
$83.3M
| $72.3K | ﹤0.01% |
220,100
-471,000
| -68% | -$740K |
|
|
YHC
12184
LQR House Inc
YHC
$2.09M
| $72.2K | ﹤0.01% |
+740
| New | +$67.4K |
|
|
BNC
12185
CALL
CEA Industries
BNC
$105M
| $72.1K | ﹤0.01% |
24,700
-46,300
| -65% | -$204K |
|
12186
CALL
Atomera
ATOM
$212M
| $72K | ﹤0.01% |
+18,900
| New | +$71.2K |
|
|
CRF
12187
Cornerstone Total Return Fund
CRF
$1.16B
| $72K | ﹤0.01% |
+10,360
| New | +$77.9K |
|
|
GGRP
12188
CALL
Glimpse Group
GGRP
$19.5M
| $71.8K | ﹤0.01% |
139,100
+94,700
| +213% | +$74.3K |
|
|
ATHE
12189
Alterity Therapeutics
ATHE
$85.2M
| $71.5K | ﹤0.01% |
20,077
+3,266
| +19% | +$11.1K |
|
|
BMM
12190
Blue Moon Metals Inc
BMM
$515M
| $71.3K | ﹤0.01% |
+10,908
| New | +$53K |
|
|
REED
12191
Reed's Inc
REED
$10.9M
| $71.2K | ﹤0.01% |
+19,605
| New | +$53K |
|
12192
PUT
Pacific Biosciences
PACB
$357M
| $71.1K | ﹤0.01% |
53,900
-95,300
| -64% | -$170K |
|
12193
PUT
Cardlytics
CDLX
$25.1M
| $71.1K | ﹤0.01% |
6,770
-8,480
| -56% | -$82.7K |
|
12194
CALL
Cibus
CBUS
$145M
| $71.1K | ﹤0.01% |
+35,900
| New | +$92.5K |
|
12195
Indaptus Therapeutics
INDP
$141M
| $71K | ﹤0.01% |
+39,018
| New | +$83.7K |
|
12196
CALL
Blink Charging
BLNK
$87.1M
| $70.9K | ﹤0.01% |
125,000
-52,400
| -30% | -$36.9K |
|
|
TEAD
12197
CALL
Teads Holding Co
TEAD
$63.6M
| $70.8K | ﹤0.01% |
107,500
+78,800
| +275% | +$55.9K |
|
12198
AdvisorShares Pure Cannabis ETF
YOLO
$33.8M
| $70.7K | ﹤0.01% |
+26,886
| New | +$80K |
|
|
MMT
12199
Aberdeen Multi-Market Income Fund
MMT
$244M
| $70.6K | ﹤0.01% |
15,291
-3,004
| -16% | -$14K |
|
12200
CALL
Rekor Systems
REKR
$97.6M
| $70.5K | ﹤0.01% |
86,000
+56,100
| +188% | +$60.1K |
|
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.