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 | |
|---|---|---|---|---|---|---|
11651
Transact Technologies
TACT
$53.2M
| $94.5K | ﹤0.01% |
23,633
-4,497
| -16% | -$20.4K |
|
|
DTCX
11652
Datacentrex Inc
DTCX
$77.9M
| $93.4K | ﹤0.01% |
+33,980
| New | +$144K |
|
11653
CALL
Milestone Pharmaceuticals
MIST
$137M
| $93.3K | ﹤0.01% |
46,200
+29,200
| +172% | +$62.9K |
|
|
TVRD
11654
CALL
Tvardi Therapeutics
TVRD
$25.3M
| $93.3K | ﹤0.01% |
+21,700
| New | +$194K |
|
|
SGMO
11655
CALL
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
| $93.3K | ﹤0.01% |
222,100
-10,400
| -4% | -$5.51K |
|
11656
CALL
Ceragon Networks
CRNT
$200M
| $93K | ﹤0.01% |
44,300
+24,000
| +118% | +$53.6K |
|
11657
Anixa Biosciences
ANIX
$108M
| $92.6K | ﹤0.01% |
29,692
-66,318
| -69% | -$272K |
|
|
BZUN
11658
PUT
Baozun
BZUN
$165M
| $92.6K | ﹤0.01% |
34,800
+12,800
| +58% | +$40.2K |
|
11659
PUT
Nkarta
NKTX
$167M
| $92.5K | ﹤0.01% |
50,000
+9,300
| +23% | +$18.6K |
|
11660
Precision Optics
POCI
$47.9M
| $92.3K | ﹤0.01% |
22,062
+10,864
| +97% | +$46.9K |
|
11661
GoodRx Holdings
GDRX
$1.27B
| $92.3K | ﹤0.01% |
34,054
-1,521,044
| -98% | -$4.99M |
|
11662
TechPrecision Corp
TPCS
$60.5M
| $92.1K | ﹤0.01% |
19,076
-864
| -4% | -$4.08K |
|
|
NIPG
11663
NIP Group Inc
NIPG
$80.2M
| $92.1K | ﹤0.01% |
3,079
+1,907
| +163% | +$81.7K |
|
11664
Purple Innovation
PRPL
$29.7M
| $91.7K | ﹤0.01% |
5,314
+3,446
| +184% | +$68.8K |
|
11665
PUT
SIGA Technologies
SIGA
$216M
| $91.7K | ﹤0.01% |
15,000
-5,400
| -26% | -$38.4K |
|
|
ADAG
11666
Adagene
ADAG
$244M
| $91.4K | ﹤0.01% |
48,385
+7,869
| +19% | +$14.5K |
|
|
ALLR
11667
Allarity Therapeutics
ALLR
$21.8M
| $91.4K | ﹤0.01% |
84,591
-9,551
| -10% | -$12.2K |
|
|
COYY
11668
CALL
GraniteShares YieldBOOST COIN ETF
COYY
$18.3M
| $91.1K | ﹤0.01% |
+1,933
| New | +$141K |
|
11669
CALL
Intellicheck
IDN
$56.9M
| $90.8K | ﹤0.01% |
13,600
-500
| -4% | -$2.82K |
|
|
LOT
11670
Lotus Technology
LOT
$681M
| $90.8K | ﹤0.01% |
+64,415
| New | +$103K |
|
|
NML
11671
Neuberger Energy Infrastructure and Income Fund Inc
NML
$610M
| $90.8K | ﹤0.01% |
+10,685
| New | +$89.8K |
|
|
ORIO
11672
CALL
Orion Digital Corp
ORIO
$20.1M
| $90.7K | ﹤0.01% |
84,800
-30,800
| -27% | -$43.8K |
|
11673
CALL
Zura Bio
ZURA
$534M
| $90.7K | ﹤0.01% |
17,300
-23,100
| -57% | -$91.3K |
|
11674
CALL
SmartRent
SMRT
$286M
| $90.5K | ﹤0.01% |
44,800
-55,300
| -55% | -$90.6K |
|
11675
CALL
GeoPark
GPRK
$615M
| $90.4K | ﹤0.01% |
12,200
-33,300
| -73% | -$244K |
|
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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.