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 | |
|---|---|---|---|---|---|---|
|
HIX
11851
Western Asset High Income Fund II
HIX
$354M
| $66.9K | ﹤0.01% |
+16,086
| New | +$67.8K |
|
11852
PUT
Larimar Therapeutics
LRMR
$453M
| $66.7K | ﹤0.01% |
17,500
-82,100
| -82% | -$319K |
|
11853
CALL
Tenaya Therapeutics
TNYA
$163M
| $66.5K | ﹤0.01% |
93,500
-9,900
| -10% | -$13.5K |
|
11854
PUT
Direxion Daily TSLA Bear 1X ETF
TSLS
$73.4M
| $66.4K | ﹤0.01% |
1,310
-1,330
| -50% | -$70.2K |
|
|
SBFM
11855
Sunshine Biopharma
SBFM
$2.74M
| $66.3K | ﹤0.01% |
5,393
-2,416
| -31% | -$38.2K |
|
11856
SAB Biotherapeutics
SABS
$337M
| $66K | ﹤0.01% |
+17,650
| New | +$58.1K |
|
11857
SCYNEXIS
SCYX
$51.5M
| $65.7K | ﹤0.01% |
+12,992
| New | +$70.7K |
|
11858
Precision BioSciences
DTIL
$205M
| $65.5K | ﹤0.01% |
15,748
-6,394
| -29% | -$36.3K |
|
11859
CALL
Ranpak Holdings
PACK
$478M
| $65.5K | ﹤0.01% |
12,100
-19,900
| -62% | -$105K |
|
|
LX
11860
LexinFintech Holdings
LX
$224M
| $65.5K | ﹤0.01% |
20,016
-260,913
| -93% | -$1.07M |
|
|
SANG
11861
Sangoma Technologies
SANG
$136M
| $64.9K | ﹤0.01% |
+12,844
| New | +$65.3K |
|
11862
CALL
SIGA Technologies
SIGA
$216M
| $64.8K | ﹤0.01% |
10,600
-7,000
| -40% | -$49.8K |
|
11863
PUT
Cerus
CERS
$601M
| $64.7K | ﹤0.01% |
31,400
+14,100
| +82% | +$24.4K |
|
|
CMU
11864
DELISTED
MFS High Yield Municipal Trust
CMU
| $64.6K | ﹤0.01% |
18,396
-10,765
| -37% | -$37.6K |
|
11865
CALL
BlackRock TCP Capital
TCPC
$342M
| $64.5K | ﹤0.01% |
11,800
-15,900
| -57% | -$91.6K |
|
11866
PUT
Lufax Holding
LU
$1.3B
| $64.5K | ﹤0.01% |
25,200
-26,700
| -51% | -$78.9K |
|
|
ILPT
11867
PUT
Industrial Logistics Properties Trust
ILPT
$595M
| $64.3K | ﹤0.01% |
11,600
+100
| +0.9% | +$553 |
|
11868
ZK International Group
ZKIN
$60.8M
| $64.1K | ﹤0.01% |
+42,757
| New | +$96K |
|
11869
ALX Oncology
ALXO
$271M
| $64.1K | ﹤0.01% |
+56,732
| New | +$85.9K |
|
11870
Planet Green Holdings
PLAG
$12.8M
| $64K | ﹤0.01% |
+29,219
| New | +$61.1K |
|
11871
Cardlytics
CDLX
$24.9M
| $63.9K | ﹤0.01% |
5,558
-6,968
| -56% | -$108K |
|
11872
Stabilis Solutions
SLNG
$121M
| $63.6K | ﹤0.01% |
13,985
-5,161
| -27% | -$24.8K |
|
11873
CALL
Sportsman's Warehouse
SPWH
$46.4M
| $63.5K | ﹤0.01% |
43,500
+15,400
| +55% | +$33.5K |
|
11874
PUT
Phunware
PHUN
$42.8M
| $63.5K | ﹤0.01% |
+34,300
| New | +$79.8K |
|
11875
GT Biopharma
GTBP
$10.7M
| $63.4K | ﹤0.01% |
80,761
+41,128
| +104% | +$29.2K |
|
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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.