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Washington Harbour Partners LP

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13F filer, CIK 1825404, ARLINGTON, VA

Washington Harbour Partners LP reported $35,087,392 across 24 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15. Its ten largest share positions make up 60.94% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001214659-25-007846

Period
2025-03-31
Reported value
$35.1M
Holdings
24
Top 10 weight
60.94%
New
8
Sold out
7

Largest buys vs the previous quarter

SecurityShares changeApprox. value
MDBnew+10,600$1.86M
SNOWnew+10,700$1.56M
RDDTnew+14,700$1.54M
GTLBnew+18,800$884K
INTEGRAL AD SCIENCE HLDNG COnew+97,300$784K

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
RBRKexited-64,800-$4.24M
GTMreduced-204,800-$2.05M
NOWexited-1,900-$2.01M
TEAMexited-8,200-$2M
FROGreduced-58,367-$1.87M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001214659-25-007846, largest first. % of portfolio is the value over $35,087,392, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TENBTENABLE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: 99,000 shares; 2023Q4: 36,800 shares; 2024Q1: 128,015 shares; 2024Q2: 87,915 shares; 2024Q3: 104,515 shares; 2024Q4: 98,015 shares; 2025Q1: 83,415 shares 83,415$2.92M8.32%-14,600Timeline
KTOSKRATOS DEFENSE & SEC SOLUTIOQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: 94,663 shares; 2025Q1: 94,663 shares 94,663$2.81M8.01%0Timeline
CRWDCROWDSTRIKE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: 7,800 shares; 2025Q1: 7,800 shares 7,800$2.75M7.84%0Timeline
ESTCELASTIC N VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: 48,299 shares; 2023Q4: not reported; 2024Q1: 14,400 shares; 2024Q2: 37,300 shares; 2024Q3: 29,100 shares; 2024Q4: 18,900 shares; 2025Q1: 23,900 shares 23,900$2.13M6.07%+5,000Timeline
FROGJFROG LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: 130,867 shares; 2023Q4: 98,267 shares; 2024Q1: 101,267 shares; 2024Q2: 113,367 shares; 2024Q3: 147,067 shares; 2024Q4: 116,767 shares; 2025Q1: 58,400 shares 58,400$1.87M5.33%-58,367Timeline
MDBMONGODB INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: 3,900 shares; 2024Q3: 3,500 shares; 2024Q4: not reported; 2025Q1: 10,600 shares 10,600$1.86M5.3%newTimeline
RELYREMITLY GLOBAL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: 89,000 shares; 2025Q1: 89,000 shares 89,000$1.85M5.28%0Timeline
EPAMEPAM SYS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: 4,700 shares; 2024Q4: 13,000 shares; 2025Q1: 10,500 shares 10,500$1.77M5.05%-2,500Timeline
AVAVAEROVIRONMENT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: 12,400 shares; 2024Q3: 21,200 shares; 2024Q4: 22,044 shares; 2025Q1: 14,844 shares 14,844$1.77M5.04%-7,200Timeline
DAVEDAVE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: 39,750 shares; 2025Q1: 20,000 shares 20,000$1.65M4.71%-19,750Timeline
SNOWSNOWFLAKE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 10,700 shares 10,700$1.56M4.46%newTimeline
RDDTREDDIT INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 14,700 shares 14,700$1.54M4.39%newTimeline
GTMZOOMINFO TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: 27,400 shares; 2023Q4: 215,400 shares; 2024Q1: 255,400 shares; 2024Q2: 313,800 shares; 2024Q3: 368,700 shares; 2024Q4: 355,200 shares; 2025Q1: 150,400 shares 150,400$1.5M4.29%-204,800Timeline
PATHUIPATH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: 444,100 shares; 2024Q4: 282,100 shares; 2025Q1: 141,000 shares 141,000$1.45M4.14%-141,100Timeline
KVYOKLAVIYO INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: 43,500 shares; 2025Q1: 43,500 shares 43,500$1.32M3.75%0Timeline
CFLTCONFLUENT INC-CLASS AQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: 99,700 shares; 2024Q3: 94,400 shares; 2024Q4: 94,400 shares; 2025Q1: 47,200 shares 47,200$1.11M3.15%-47,200Timeline
GTLBGITLAB INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: 67,700 shares; 2024Q4: not reported; 2025Q1: 18,800 shares 18,800$884K2.52%newTimeline
INTEGRAL AD SCIENCE HLDNG COINTEGRAL AD SCIENCE HLDNG COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: 161,300 shares; 2024Q4: not reported; 2025Q1: 97,300 shares 97,300$784K2.24%new
LDOSLEIDOS HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: 10,950 shares; 2025Q1: 5,500 shares 5,500$742K2.12%-5,450Timeline
CACICACI INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: 3,717 shares; 2025Q1: 1,900 shares 1,900$697K1.99%-1,817Timeline
PLTRPALANTIR TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 7,900 shares 7,900$667K1.9%newTimeline
DVDOUBLEVERIFY HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 49,400 shares 49,400$660K1.88%newTimeline
PSNPARSONS CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: 13,900 shares; 2025Q1: 6,900 shares 6,900$409K1.16%-7,000Timeline
DDOGDATADOG INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: not reported; 2023Q4: not reported; 2024Q1: not reported; 2024Q2: not reported; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 3,800 shares 3,800$377K1.07%newTimeline

Sold out in Q1 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
RBRKRUBRIK INC.64,800$4.24Mshares
NOWSERVICENOW INC1,900$2.01Mshares
TEAMATLASSIAN CORPORATION8,200$2Mshares
RBLXROBLOX CORP23,100$1.34Mshares
BLNDBLEND LABS INC267,500$1.13Mshares
BAHBOOZ ALLEN HAMILTON HLDG COR3,400$438Kshares
SEZLSEZZLE INC1,550$396Kshares

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001214659-25-007846 base2025-05-15acceptance time not in the bulk data set