Institutional Manager · CIK 0001140315
HARVEST MANAGEMENT LLC
New York, NY · File #028-06505
Latest AUM
$312.0M
Positions
62
Top-10 Concentration
73.9%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| ADD | ELECTRONIC ARTS INC | EA | +169,500 | +$34.6M | +$56,808 |
| EXITED | SPIRIT AEROSYSTEMS HLDGS INC | 848574109 | -597,140 | -$23.0M | $0 |
| ADD | AVIDITY BIOSCIENCES INC | 05370A108 | +314,300 | +$22.7M | +$428,400 |
| EXITED | VERONA PHARMA PLC | 925050106 | -207,000 | -$22.1M | $0 |
| ADD | DAYFORCE INC | 15677J108 | +297,008 | +$20.5M | +$5,400 |
| ADD | WARNER BROS DISCOVERY INC | WBD | +580,800 | +$16.7M | +$185,800 |
| EXITED | KELLANOVA | 487836108 | -202,000 | -$16.6M | $0 |
| ADD | HOLOGIC INC | HOLX | +177,900 | +$13.3M | +$84,700 |
| EXITED | MERUS N V | N5749R100 | -130,000 | -$12.2M | $0 |
| NEW | CIDARA THERAPEUTICS INC | 171757206 | +52,500 | +$11.6M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202562 pos · $312.0M
- 13F HOLDINGS REPORTQ/E Sep 202563 pos · $231.3M
- 13F HOLDINGS REPORTQ/E Jun 202558 pos · $235.0M
- 13F HOLDINGS REPORTQ/E Mar 202555 pos · $226.4M
- 13F HOLDINGS REPORTQ/E Dec 202454 pos · $207.1M
- 13F HOLDINGS REPORTQ/E Sep 202450 pos · $196.7M
- 13F HOLDINGS REPORTQ/E Jun 202444 pos · $131.0M
- 13F HOLDINGS REPORTQ/E Mar 202446 pos · $148.3M
- 13F HOLDINGS REPORTQ/E Dec 202349 pos · $192.3M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | CYBERARK SOFTWARE LTD | M2682V108 | 102,755 | $45.8M | 14.88% |
| 2 | ELECTRONIC ARTS INC | EA | 191,100 | $39.0M | 12.68% |
| 3 | AVIDITY BIOSCIENCES INC | 05370A108 | 329,300 | $23.8M | 7.71% |
| 4 | NORFOLK SOUTHN CORP | 655844108 | 78,300 | $22.6M | 7.34% |
| 5 | DAYFORCE INC | 15677J108 | 317,008 | $21.9M | 7.12% |
| 6 | WARNER BROS DISCOVERY INC | WBD | 600,839 | $17.3M | 5.62% |
| 7 | WARNER BROS DISCOVERY INC | WBD | 600,800 | $17.3M | 5.62% |
| 8 | HOLOGIC INC | HOLX | 190,000 | $14.2M | 4.59% |
| 9 | HOLOGIC INC | HOLX | 190,000 | $14.2M | 4.59% |
| 10 | CIDARA THERAPEUTICS INC | 171757206 | 52,500 | $11.6M | 3.76% |
| 11 | EXACT SCIENCES CORP | 30063P105 | 101,000 | $10.3M | 3.33% |
| 12 | AVADEL PHARMACEUTICALS PLC | G29687103 | 300,000 | $6.5M | 2.10% |
| 13 | ALEXANDER & BALDWIN INC NEW | 014491104 | 300,000 | $6.2M | 2.01% |
| 14 | CONFLUENT INC | 20717M103 | 145,000 | $4.4M | 1.42% |
| 15 | SEALED AIR CORP NEW | SE | 100,500 | $4.2M | 1.35% |
| 16 | COMERICA INC | 200340107 | 41,106 | $3.6M | 1.16% |
| 17 | AMICUS THERAPEUTICS INC | FOLD | 250,000 | $3.6M | 1.16% |
| 18 | BOEING CO | BA-PA | 13,759 | $3.0M | 0.97% |
| 19 | SEMRUSH HLDGS INC | SEMR | 250,000 | $3.0M | 0.96% |
| 20 | CADENCE BANK | 12740C103 | 55,000 | $2.4M | 0.76% |