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 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
DexCom
DXCM
|
+$433M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.89% |
| 2 | Healthcare | 2.92% |
| 3 | Financials | 2.71% |
| 4 | Consumer Discretionary | 2.52% |
| 5 | Industrials | 2.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
JFIN
11251
PUT
Jiayin Group
JFIN
$119M
| $153K | ﹤0.01% |
26,400
-27,700
| -51% | -$233K |
|
|
WIW
11252
Western Asset Inflation-Linked Opportunities & Income Fund
WIW
$512M
| $153K | ﹤0.01% |
+17,819
| New | +$157K |
|
11253
CALL
Nerdy
NRDY
$90.4M
| $153K | ﹤0.01% |
+147,100
| New | +$166K |
|
11254
PUT
AvePoint
AVPT
$2.85B
| $153K | ﹤0.01% |
11,000
-150,700
| -93% | -$2.08M |
|
11255
CALL
Pure Cycle
PCYO
$271M
| $153K | ﹤0.01% |
+13,900
| New | +$155K |
|
|
BLNE
11256
Beeline Holdings
BLNE
$33.2M
| $152K | ﹤0.01% |
+88,636
| New | +$215K |
|
11257
Atea Pharmaceuticals
AVIR
$411M
| $152K | ﹤0.01% |
42,691
+962
| +2% | +$3.06K |
|
11258
CALL
Ambev
ABEV
$43.2B
| $152K | ﹤0.01% |
61,700
-57,900
| -48% | -$138K |
|
|
ELWT
11259
Elauwit Connection Inc
ELWT
$54.9M
| $152K | ﹤0.01% |
+30,035
| New | +$192K |
|
11260
PUT
RxSight
RXST
$287M
| $152K | ﹤0.01% |
14,600
-18,100
| -55% | -$182K |
|
|
BOEG
11261
Leverage Shares 2X Long BA Daily ETF
BOEG
$4.84M
| $152K | ﹤0.01% |
+10,054
| New | +$141K |
|
|
LAND
11262
PUT
Gladstone Land Corp
LAND
$358M
| $152K | ﹤0.01% |
16,600
-88,100
| -84% | -$806K |
|
11263
Castor Maritime
CTRM
$22.6M
| $152K | ﹤0.01% |
+73,357
| New | +$153K |
|
11264
Simplify Bitcoin Strategy ETF
MAXI
$24.3M
| $152K | ﹤0.01% |
+10,620
| New | +$222K |
|
11265
Q32 Bio
QTTB
$451M
| $152K | ﹤0.01% |
45,728
+35,611
| +352% | +$101K |
|
11266
XBP Global Holdings
XBP
$33.1M
| $152K | ﹤0.01% |
22,262
+18,761
| +536% | +$114K |
|
11267
CALL
Perspective Therapeutics
CATX
$365M
| $151K | ﹤0.01% |
55,000
+41,900
| +320% | +$120K |
|
11268
PUT
Personalis
PSNL
$1.5B
| $151K | ﹤0.01% |
19,000
-5,900
| -24% | -$51.6K |
|
11269
PUT
Sasol
SSL
$7.39B
| $151K | ﹤0.01% |
23,200
+3,900
| +20% | +$24.6K |
|
|
TSYY
11270
CALL
GraniteShares YieldBOOST TSLA ETF
TSYY
$61.4M
| $151K | ﹤0.01% |
+3,400
| New | +$187K |
|
11271
CALL
Horizon Technology Finance
HRZN
$336M
| $151K | ﹤0.01% |
23,400
+7,900
| +51% | +$50.5K |
|
11272
PUT
CuriosityStream
CURI
$211M
| $151K | ﹤0.01% |
39,700
-19,200
| -33% | -$85.5K |
|
11273
CALL
Prospect Capital
PSEC
$1.15B
| $150K | ﹤0.01% |
58,100
-7,600
| -12% | -$20.3K |
|
11274
Invesco California Value Municipal Income Trust
VCV
$528M
| $150K | ﹤0.01% |
+13,510
| New | +$147K |
|
11275
PUT
Outset Medical
OM
$84.8M
| $150K | ﹤0.01% |
+40,500
| New | +$347K |
|
Similar funds
Ken Griffin's Q4 2025 Portfolio in Review
As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.
By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
- Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
- Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
- Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
- Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
- Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
- Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.
Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.