2026 Q1 Portfolio Activity
In 2026 Q1, HARVEST MANAGEMENT LLC maintained a portfolio of 94 distinct positions. The most significant new addition was JANUS HENDERSON GROUP PLC, now representing 7.71% of the total fund value. They heavily accumulated shares in WARNER BROS DISCOVERY INC, increasing the position by 1424.3%. Conversely, HARVEST MANAGEMENT LLC completely exited their position in CYBERARK SOFTWARE LTD.
Position History
hover any row below to update
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Total Positions
94
Quarter
2026 Q1
Top Holding
EA (18.2%)
Top 10 Concentration
73.2%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 94
HARVEST MANAGEMENT LLC Full Holdings List — 2026 Q1
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
EA
ELECTRONIC ARTS...
|
Communication Services | 18.16% | 12.52% |
#1
1
Prev: #2
|
6.5 |
—
|
-7,200 | -3.8% |
P
S
|
183,900 | $37,491,693 | 2004 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
NSC
NORFOLK SOUTHN ...
|
Industrials | 10.09% | 7.25% |
#2
2
Prev: #4
|
6.0 |
—
|
-5,700 | -7.3% |
P
S
|
72,600 | $20,836,200 | 2025 Q3 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
JHG
JANUS HENDERSON...
|
Financial Services | 7.71% | — |
#3
Prev: #—
|
7.6 |
—
|
310,000 | — |
NEW
|
310,000 | $15,924,700 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
TERN
TERNS PHARMACEU...
|
Healthcare | 6.58% | — |
#4
Prev: #—
|
6.6 |
—
|
257,500 | — |
NEW
|
257,500 | $13,575,400 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
WBD
WARNER BROS DIS...
|
Communication Services | 6.08% | 5.55% |
#5
1
Prev: #6
|
2.9 |
—
|
-143,539 | -23.9% |
P
S
|
457,300 | $12,557,458 | 2018 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
HOLX
HOLOGIC INC
|
Healthcare | 5.98% | 4.54% |
#6
2
Prev: #8
|
2.9 |
—
|
-26,700 | -14.1% |
P
S
|
163,300 | $12,343,847 | 2007 Q2 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
SEE
SEALED AIR CORP...
|
Consumer Cyclical | 5.48% | 1.33% |
#7
8
Prev: #15
|
5.2 |
—
|
168,600 | 167.8% |
P
S
|
269,100 | $11,315,655 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
CWAN
CLEARWATER ANAL...
|
Technology | 5.16% | — |
#8
Prev: #—
|
5.6 |
—
|
450,000 | — |
NEW
|
450,000 | $10,642,500 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
WBD
PUT
WARNER BROS DIS...
|
PUT Option | 5.12% | 5.55% |
#9
2
Prev: #7
|
2.0 |
—
|
-215,800 | -35.9% |
P
S
|
385,000 | $10,572,100 | 2018 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
PEN
PENUMBRA INC
|
Healthcare | 2.86% | — |
#10
Prev: #—
|
4.6 |
—
|
18,000 | — |
NEW
|
18,000 | $5,910,660 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
ACLX
ARCELLX INC
|
Healthcare | 2.78% | — |
#11
Prev: #—
|
4.6 |
—
|
50,000 | — |
NEW
|
50,000 | $5,741,000 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
TPH
TRI POINTE HOME...
|
Consumer Cyclical | 2.72% | — |
#12
Prev: #—
|
4.6 |
—
|
120,000 | — |
NEW
|
120,000 | $5,607,600 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
FOLD
AMICUS THERAPEU...
|
Healthcare | 1.73% | 1.14% |
#13
4
Prev: #17
|
1.2 |
—
|
-2,600 | -1.0% |
P
S
|
247,400 | $3,577,404 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
STEL
STELLAR BANCORP...
|
Financial Services | 1.56% | — |
#14
Prev: #—
|
4.1 |
—
|
88,000 | — |
NEW
|
88,000 | $3,221,680 | 2004 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
CNTA
CENTESSA PHARMA...
|
Healthcare | 1.54% | — |
#15
Prev: #—
|
4.1 |
—
|
80,000 | — |
NEW
|
80,000 | $3,177,600 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
WBS
WEBSTER FINL CO...
|
Financial Services | 1.46% | — |
#16
Prev: #—
|
4.1 |
—
|
43,500 | — |
NEW
|
43,500 | $3,019,770 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
APLS
APELLIS PHARMAC...
|
Healthcare | 1.36% | — |
#17
Prev: #—
|
4.0 |
—
|
70,000 | — |
NEW
|
70,000 | $2,816,100 | 2023 Q2 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
TWO
TWO HARBORS INV...
|
Real Estate | 1.11% | — |
#18
Prev: #—
|
3.9 |
—
|
200,000 | — |
NEW
|
200,000 | $2,284,000 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
MASI
MASIMO CORP
|
Healthcare | 0.95% | — |
#19
Prev: #—
|
3.9 |
—
|
11,000 | — |
NEW
|
11,000 | $1,956,570 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
SEMR
SEMRUSH HLDGS I...
|
Technology | 0.85% | 0.95% |
#20
1
Prev: #19
|
0.3 |
—
|
-102,200 | -40.9% |
P
S
|
147,800 | $1,764,732 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
DAWN
DAY ONE BIOPHAR...
|
Healthcare | 0.78% | — |
#21
Prev: #—
|
3.8 |
—
|
75,000 | — |
NEW
|
75,000 | $1,608,000 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
SKYT
SKYWATER TECHNO...
|
Technology | 0.69% | — |
#22
Prev: #—
|
3.8 |
—
|
51,600 | — |
NEW
|
51,600 | $1,414,356 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
BF/B
CALL
BROWN FORMAN CO...
|
CALL Option | 0.64% | — |
#23
Prev: #—
|
3.8 |
—
|
50,000 | — |
NEW
|
50,000 | $1,322,000 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
PKST
PEAKSTONE REALT...
|
Real Estate | 0.51% | — |
#24
Prev: #—
|
3.7 |
—
|
50,000 | — |
NEW
|
50,000 | $1,044,500 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
THR
THERMON GROUP H...
|
Industrials | 0.47% | — |
#25
Prev: #—
|
3.7 |
—
|
19,200 | — |
NEW
|
19,200 | $967,680 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
RVMD
PUT
REVOLUTION MEDI...
|
PUT Option | 0.45% | — |
#26
Prev: #—
|
3.7 |
—
|
9,600 | — |
NEW
|
9,600 | $933,600 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
RVMD
REVOLUTION MEDI...
|
Healthcare | 0.45% | — |
#27
Prev: #—
|
3.7 |
—
|
9,524 | — |
NEW
|
9,524 | $926,209 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
BHF
PUT
BRIGHTHOUSE FIN...
|
PUT Option | 0.39% | 0.62% |
#28
4
Prev: #24
|
0.2 |
—
|
-16,600 | -55.3% |
P
S
|
13,400 | $802,392 | 2025 Q2 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
UNF
UNIFIRST CORP M...
|
Industrials | 0.37% | — |
#30
Prev: #—
|
3.6 |
—
|
3,000 | — |
NEW
|
3,000 | $754,770 | 2025 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
UNF
PUT
UNIFIRST CORP M...
|
PUT Option | 0.37% | — |
#29
Prev: #—
|
3.6 |
—
|
3,000 | — |
NEW
|
3,000 | $754,770 | 2025 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
BSX
PUT
BOSTON SCIENTIF...
|
PUT Option | 0.36% | — |
#31
Prev: #—
|
3.6 |
—
|
12,000 | — |
NEW
|
12,000 | $753,000 | 2005 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
CYTK
CYTOKINETICS IN...
|
Healthcare | 0.35% | 0.28% |
#32
6
Prev: #38
|
0.6 |
—
|
-2,600 | -19.1% |
P
S
|
11,000 | $725,010 | 2023 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
EL
CALL
LAUDER ESTEE CO...
|
CALL Option | 0.35% | — |
#33
Prev: #—
|
3.6 |
—
|
10,000 | — |
NEW
|
10,000 | $717,700 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
BA
PUT
BOEING CO
|
PUT Option | 0.34% | 0.70% |
#34
12
Prev: #22
|
0.1 |
—
|
-6,500 | -65.0% |
P
S
|
3,500 | $696,605 | 2005 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
BA
BOEING CO
|
Industrials | 0.34% | 0.96% |
#35
17
Prev: #18
|
0.1 |
—
|
-10,259 | -74.6% |
P
S
|
3,500 | $696,526 | 2005 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
UDMY
UDEMY INC
|
Consumer Defensive | 0.29% | 0.21% |
#36
6
Prev: #42
|
2.1 |
—
|
19,000 | 17.3% |
P
S
|
129,000 | $595,980 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
ZIM
PUT
ZIM INTEGRATED ...
|
PUT Option | 0.28% | — |
#37
Prev: #—
|
3.6 |
—
|
21,800 | — |
NEW
|
21,800 | $574,430 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
PSKY
PARAMOUNT SKYDA...
|
Communication Services | 0.26% | — |
#38
Prev: #—
|
3.6 |
—
|
60,000 | — |
NEW
|
60,000 | $541,200 | 2025 Q3 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
LION
LIONSGATE STUDI...
|
Unknown | 0.26% | 0.20% |
#39
4
Prev: #43
|
0.1 |
—
|
-15,000 | -21.4% |
P
S
|
55,000 | $527,450 | 2025 Q3 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
BCO
CALL
BRINKS CO
|
CALL Option | 0.25% | — |
#40
Prev: #—
|
3.6 |
—
|
5,000 | — |
NEW
|
5,000 | $518,150 | 2006 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
JHG
PUT
JANUS HENDERSON...
|
PUT Option | 0.25% | — |
#41
Prev: #—
|
3.6 |
—
|
10,000 | — |
NEW
|
10,000 | $513,700 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
CECO
CECO ENVIRONMEN...
|
Industrials | 0.23% | — |
#42
Prev: #—
|
3.6 |
—
|
8,000 | — |
NEW
|
8,000 | $476,640 | 2004 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
GPRK
GEOPARK LTD
|
Energy | 0.23% | 0.55% |
#43
17
Prev: #26
|
0.1 |
—
|
-183,275 | -78.6% |
P
S
|
50,000 | $475,000 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
NVDA
NVIDIA CORPORAT...
|
Technology | 0.20% | 0.14% |
#44
10
Prev: #54
|
0.6 |
—
|
-23 | -1.0% |
P
S
|
2,347 | $409,317 | 2017 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
KW
KENNEDY-WILSON ...
|
Real Estate | 0.18% | 0.11% |
#45
11
Prev: #56
|
0.6 |
—
|
-600 | -1.7% |
P
S
|
34,400 | $372,208 | 2025 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
SUPN
SUPERNUS PHARMA...
|
Healthcare | 0.18% | 0.18% |
#46
2
Prev: #48
|
0.1 |
—
|
-3,900 | -35.5% |
P
S
|
7,100 | $366,999 | 2025 Q3 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
WS
WORTHINGTON STL...
|
Basic Materials | 0.18% | — |
#47
Prev: #—
|
3.6 |
—
|
12,000 | — |
NEW
|
12,000 | $364,200 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
ACI
ALBERTSONS COS ...
|
Consumer Defensive | 0.18% | 0.17% |
#48
1
Prev: #49
|
0.1 |
—
|
-8,800 | -29.3% |
P
S
|
21,200 | $361,248 | 2004 Q4 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
SIMO
SILICON MOTION ...
|
Technology | 0.16% | 0.15% |
#49
2
Prev: #51
|
0.1 |
—
|
-2,050 | -41.0% |
P
S
|
2,950 | $331,256 | 2006 Q3 | 13F Filing | 2026-03-31 | 2026-05-15 | |||
|
VIAV
VIAVI SOLUTIONS...
|
Technology | 0.16% | — |
#50
Prev: #—
|
3.6 |
—
|
9,747 | — |
NEW
|
9,747 | $324,377 | 2026 Q1 | 13F Filing | 2026-03-31 | 2026-05-15 |
Showing 1-50 of 94 holdings