Jim Simons Renaissance Technologies
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$616M |
| 2 |
Netflix
NFLX
|
+$481M |
| 3 |
Micron Technology
MU
|
+$416M |
| 4 |
Tesla
TSLA
|
+$416M |
| 5 |
Procter & Gamble
PG
|
+$322M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$885M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$660M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$463M |
| 4 |
Applovin
APP
|
+$430M |
| 5 |
Meta Platforms (Facebook)
META
|
+$354M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 20.84% |
| 2 | Healthcare | 15.77% |
| 3 | Consumer Discretionary | 13.88% |
| 4 | Industrials | 9.94% |
| 5 | Financials | 8.79% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2876
Amneal Pharmaceuticals
AMRX
$6.15B
| $207K | ﹤0.01% |
16,400
-73,500
| -82% | -$841K |
|
2877
Neogen
NEOG
$2.5B
| $206K | ﹤0.01% |
+29,539
| New | +$186K |
|
2878
Global X MLP & Energy Infrastructure ETF
MLPX
$3.57B
| $206K | ﹤0.01% |
+3,400
| New | +$204K |
|
|
FLX
2879
BingEx Ltd
FLX
$151M
| $205K | ﹤0.01% |
64,600
-27,609
| -30% | -$92K |
|
|
AVBC
2880
Avidia Bancorp
AVBC
$411M
| $205K | ﹤0.01% |
+12,200
| New | +$191K |
|
2881
Vanguard Consumer Discretionary ETF
VCR
$6.08B
| $204K | ﹤0.01% |
+519
| New | +$203K |
|
2882
Fidelity MSCI Information Technology Index ETF
FTEC
$21.3B
| $202K | ﹤0.01% |
900
-6,200
| -87% | -$1.4M |
|
2883
Offerpad Solutions
OPAD
$22.5M
| $200K | ﹤0.01% |
16,552
-13,753
| -45% | -$304K |
|
2884
Veeco
VECO
$3.26B
| $200K | ﹤0.01% |
+7,000
| New | +$208K |
|
2885
a.k.a. Brands
AKA
$119M
| $199K | ﹤0.01% |
18,569
-2,200
| -11% | -$26.5K |
|
2886
MIND Technology
MIND
$42.4M
| $198K | ﹤0.01% |
22,581
-74,959
| -77% | -$751K |
|
|
RJET
2887
Republic Airways Holdings
RJET
$962M
| $198K | ﹤0.01% |
10,759
-427
| -4% | -$8.88K |
|
2888
Fulcrum Therapeutics
FULC
$284M
| $197K | ﹤0.01% |
17,400
-230,800
| -93% | -$2.35M |
|
2889
NanoViricides
NNVC
$34.9M
| $196K | ﹤0.01% |
173,403
-37,097
| -18% | -$52.1K |
|
2890
Coherus Oncology
CHRS
$181M
| $196K | ﹤0.01% |
137,900
+113,800
| +472% | +$166K |
|
|
OSG
2891
Octave Specialty Group
OSG
$210M
| $196K | ﹤0.01% |
25,158
-64,042
| -72% | -$547K |
|
2892
Urban One Class D
UONEK
$23.5M
| $195K | ﹤0.01% |
22,701
-3,180
| -12% | -$23.2K |
|
2893
Guardforce AI
GFAI
$10.9M
| $194K | ﹤0.01% |
347,700
+71,800
| +26% | +$64.8K |
|
|
YQ
2894
17 Education & Technology Group
YQ
$24.1M
| $192K | ﹤0.01% |
53,530
+12,949
| +32% | +$62.1K |
|
2895
Estrella Immunopharma
ESLA
$31.8M
| $191K | ﹤0.01% |
122,468
+111,779
| +1,046% | +$212K |
|
|
CMCM
2896
Cheetah Mobile
CMCM
$93.7M
| $190K | ﹤0.01% |
31,745
-1,100
| -3% | -$7.92K |
|
|
NOTV
2897
DELISTED
Inotiv
NOTV
| $190K | ﹤0.01% |
338,800
-20,964
| -6% | -$21.9K |
|
|
AHG
2898
Akso Health Group
AHG
$1.26B
| $190K | ﹤0.01% |
115,998
-13,200
| -10% | -$20.1K |
|
2899
VirTra
VTSI
$37.3M
| $189K | ﹤0.01% |
45,000
+1,600
| +4% | +$8.36K |
|
|
NFGC
2900
New Found Gold
NFGC
$634M
| $189K | ﹤0.01% |
63,511
-708,389
| -92% | -$1.74M |
|
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Jim Simons's Q4 2025 Portfolio in Review
As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.
- Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
- Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
- Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
- Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
- Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
- Jim Simons opened 466 new positions and closed 737 in Q4 2025.
- Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.
Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.