David Greenspan Slate Path Capital
David Greenspan is the founder of Slate Path Capital, a long/short equity firm with roots in the Tiger Management network. The firm conducts fundamental research across sectors with an emphasis on differentiated views rather than index hugging. Greenspan’s filings attract attention among investors who follow Tiger Cub-style managers.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Union Pacific
UNP
|
+$368M |
| 2 |
AMRZ
Amrize Ltd
AMRZ
|
+$312M |
| 3 |
Rocket Companies
RKT
|
+$241M |
| 4 |
Nucor
NUE
|
+$218M |
| 5 |
Upstart Holdings
UPST
|
+$192M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Western Digital
WDC
|
+$378M |
| 2 |
Unity
U
|
+$346M |
| 3 |
Micron Technology
MU
|
+$318M |
| 4 |
Seagate
STX
|
+$288M |
| 5 |
NBIS
Nebius Group N.V.
NBIS
|
+$218M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 33.1% |
| 2 | Materials | 18.77% |
| 3 | Industrials | 15.37% |
| 4 | Financials | 8.43% |
| 5 | Energy | 7.66% |
Similar funds
David Greenspan's Q3 2025 Portfolio in Review
As of Q3 2025, David Greenspan held 62 positions worth $6.46B, up 11% from $5.8B the previous quarter. Its ten largest holdings account for 48% of the portfolio.
David Greenspan withdrew a net $705M in Q3 2025, closing 11 positions and reducing 20 holdings. Its most notable exit was Micron Technology, an estimated $318M position sold in full.
By sector, the portfolio is most concentrated in Technology at 33% of assets, down from 49% a quarter earlier, followed by Materials and Industrials.
Against the trend, David Greenspan opened a new position in Union Pacific worth $386M.
- David Greenspan's largest Q3 2025 buy was Union Pacific: 1,631,600 shares worth $386M.
- David Greenspan added most to EQT Corp in Q3 2025, an estimated $182M increase.
- David Greenspan's biggest Q3 2025 reduction was Western Digital, cutting an estimated $378M.
- David Greenspan fully exited Micron Technology in Q3 2025, selling an estimated $318M.
- David Greenspan's ten largest holdings make up 48% of its $6.46B portfolio in Q3 2025.
- David Greenspan opened 19 new positions and closed 11 in Q3 2025.
- David Greenspan's portfolio value rose 11% quarter-over-quarter to $6.46B.
Based on Slate Path Capital's 13F filing for Q3 2025, filed 14 Nov 2025.