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 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2526
Materion
MTRN
$5.9B
| $984K | ﹤0.01% |
12,400
-19,900
| -62% | -$1.57M |
|
2527
Invesco CurrencyShares Swiss Franc Trust
FXF
$395M
| $984K | ﹤0.01% |
+8,800
| New | +$945K |
|
2528
Zevia
ZVIA
$103M
| $979K | ﹤0.01% |
304,126
+47,400
| +18% | +$125K |
|
2529
Natural Alternatives International
NAII
$13.6M
| $976K | ﹤0.01% |
297,656
-6,500
| -2% | -$20.7K |
|
2530
iHeartMedia
IHRT
$461M
| $976K | ﹤0.01% |
554,600
+58,400
| +12% | +$77.8K |
|
2531
Primoris Services
PRIM
$4.46B
| $974K | ﹤0.01% |
+12,491
| New | +$847K |
|
2532
Palmer Square Capital BDC
PSBD
$318M
| $973K | ﹤0.01% |
69,700
-19,700
| -22% | -$266K |
|
2533
First Commonwealth Financial
FCF
$2.19B
| $972K | ﹤0.01% |
59,900
+30,200
| +102% | +$466K |
|
2534
Matthews International
MATW
$722M
| $972K | ﹤0.01% |
40,653
-9,200
| -18% | -$194K |
|
2535
Bowman Consulting
BWMN
$733M
| $969K | ﹤0.01% |
+33,700
| New | +$831K |
|
2536
CBRE Group
CBRE
$44B
| $967K | ﹤0.01% |
+6,900
| New | +$873K |
|
|
CIVI
2537
DELISTED
Civitas Resources
CIVI
| $966K | ﹤0.01% |
35,104
-98,303
| -74% | -$2.85M |
|
|
BLFY
2538
DELISTED
Blue Foundry Bancorp
BLFY
| $966K | ﹤0.01% |
100,890
+23,290
| +30% | +$216K |
|
2539
Freedom Holding
FRHC
$9.4B
| $964K | ﹤0.01% |
+6,600
| New | +$974K |
|
2540
iShares S&P Mid-Cap 400 Value ETF
IJJ
$9.08B
| $964K | ﹤0.01% |
7,800
-8,000
| -51% | -$941K |
|
|
ARDT
2541
Ardent Health
ARDT
$1.55B
| $963K | ﹤0.01% |
70,500
+24,800
| +54% | +$334K |
|
|
BKV
2542
BKV Corp
BKV
$2.9B
| $960K | ﹤0.01% |
39,800
-65,200
| -62% | -$1.35M |
|
2543
Invesco S&P 500 Revenue ETF
RWL
$10B
| $959K | ﹤0.01% |
+9,200
| New | +$910K |
|
2544
ACM Research
ACMR
$5.54B
| $958K | ﹤0.01% |
+37,000
| New | +$832K |
|
2545
electroCore
ECOR
$90.2M
| $954K | ﹤0.01% |
180,686
+2,261
| +1% | +$12.9K |
|
|
ECG
2546
Everus Construction Group
ECG
$7.17B
| $953K | ﹤0.01% |
15,000
+7,700
| +105% | +$390K |
|
2547
Metropolitan Bank Holding Corp
MCB
$1.16B
| $952K | ﹤0.01% |
+13,600
| New | +$842K |
|
2548
Putnam Focused Large Cap Value ETF
PVAL
$13.9B
| $945K | ﹤0.01% |
+23,500
| New | +$886K |
|
2549
NLI Holdings
NL
$317M
| $943K | ﹤0.01% |
147,414
-1,900
| -1% | -$14.3K |
|
2550
Erasca
ERAS
$6.32B
| $943K | ﹤0.01% |
742,500
-214,007
| -22% | -$286K |
|
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Jim Simons's Q2 2025 Portfolio in Review
As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Jim Simons opened 612 new positions and closed 496 in Q2 2025.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.