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Couchbase, Inc. (BASE) institutional ownership

Market cap$1.4B SectorTechnology
Funds holding · Q4 2025
4
reported BASE position changes
Top owners · Q1 2026
No disclosed owners are available.
Institutional activity · Q4 2025
Activity unavailable N/A
0 buyers · 4 sellers

Couchbase, Inc. (BASE) price and institutional activity

Dates

Q4 2025

$0 bought by 0 investors
$0 sold by 4 investors
Barclays PLCDark Forest Capital Management LP +2 more
Sign in to see who bought
Bought Sold Totals per quarter; hover a bar for the names.

Couchbase, Inc. (BASE) institutional activity · 4

Investor Type Est. change Change Δ Own Date
Barclays PLC · Exited
Change −76K Δ Own −100.0% Date Q4 2025
Barclays PLC Exited· Q4 2025 −76K −100.0% Q4 2025
Dark Forest Capital Management LP · Exited
Change −34K Δ Own −100.0% Date Q4 2025
Dark Forest Capital Management LP Exited· Q4 2025 −34K −100.0% Q4 2025
Osaic Holdings, Inc. · Exited
Change −3K Δ Own −100.0% Date Q4 2025
Osaic Holdings, Inc. Exited· Q4 2025 −3K −100.0% Q4 2025
Ifp Advisors, Inc · Exited
Change −148 Δ Own −100.0% Date Q4 2025
Ifp Advisors, Inc Exited· Q4 2025 −148 −100.0% Q4 2025
Data through Q4 2025 · filed Mar 19, 2026
4 of 4

Famous investor activity in Couchbase, Inc. (BASE)

Couchbase, Inc. (BASE) insider trading

Company insiders, action and economics first; trade and filed dates last.
Dates
Insider Title Type Price Qty Value Owned ΔOwn Trade date Filed date
Epstein Jeff · Director 2 operations -129K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Epstein Jeff Director 2 operations -129K 0 Sep 24, 2025 Sep 24, 2025
Owen Huw · Officer 6 operations -467K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Owen Huw Officer 6 operations -467K 0 Sep 24, 2025 Sep 24, 2025
Cain Matthew M. · Director, Officer 7 operations -3.0M
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Cain Matthew M. Director, Officer 7 operations -3.0M 0 Sep 24, 2025 Sep 24, 2025
Chow Margaret · Officer 4 operations -381K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Chow Margaret Officer 4 operations -381K 0 Sep 24, 2025 Sep 24, 2025
Carey William Robert · Officer 5 operations -128K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Carey William Robert Officer 5 operations -128K 0 Sep 24, 2025 Sep 24, 2025
Simonson Richard A. · Director 2 operations -132K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Simonson Richard A. Director 2 operations -132K 0 Sep 24, 2025 Sep 24, 2025
Christensen Lynn M. · Director 2 operations -56K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Christensen Lynn M. Director 2 operations -56K 0 Sep 24, 2025 Sep 24, 2025
Efrusy Kevin · Director 9 operations -3.1M
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Efrusy Kevin Director 9 operations -3.1M 0 Sep 24, 2025 Sep 24, 2025
Anderson Edward T. · Director 3 operations -4.8M
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Anderson Edward T. Director 3 operations -4.8M 0 Sep 24, 2025 Sep 24, 2025
Scott David C. · Director 2 operations -159K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Scott David C. Director 2 operations -159K 0 Sep 24, 2025 Sep 24, 2025
Carpenter Carol W. · Director 2 operations -71K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Carpenter Carol W. Director 2 operations -71K 0 Sep 24, 2025 Sep 24, 2025
Migon Aleksander J. · Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -46K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Migon Aleksander J. Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -46K 0 Sep 24, 2025 Sep 24, 2025
Antar Alvina · Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -47K
Owned 0 Trade date Sep 24, 2025 Filed date Sep 24, 2025
Antar Alvina Director Shares transferred outside the market (D), often for tax or as a gift, not a market sale -47K 0 Sep 24, 2025 Sep 24, 2025
Chow Margaret · Officer Tax withholding or exercise payment (F) -$183K
Price $24.41 Qty -8K Owned 192K Trade date Sep 16, 2025 Filed date Sep 18, 2025
Chow Margaret Officer Tax withholding or exercise payment (F) $24.41 -8K -$183K 192K Sep 16, 2025 Sep 18, 2025
Cain Matthew M. · Director, Officer Tax withholding or exercise payment (F) -$871K
Price $24.41 Qty -36K Owned 794K Trade date Sep 16, 2025 Filed date Sep 18, 2025
Cain Matthew M. Director, Officer Tax withholding or exercise payment (F) $24.41 -36K -$871K 794K Sep 16, 2025 Sep 18, 2025
15 of 26
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Couchbase, Inc. (BASE) activist and large shareholders

What are Schedules 13D and 13G?

Dates
Owner/Filer identity Shares reported % of shares outstanding Filing date
Haveli Investments, L.P. 1K
% of shares outstanding 100.0% Filing date Sep 25, 2025
Haveli Investments, L.P. 1K 100.0% Sep 25, 2025
Vanguard Group Inc 5.0M
% of shares outstanding 9.7% Filing date Nov 12, 2024
Vanguard Group Inc 5.0M 9.7% Nov 12, 2024
Blackrock, Inc. 3.6M
% of shares outstanding 7.0% Filing date Nov 8, 2024
Blackrock, Inc. 3.6M 7.0% Nov 8, 2024
Gpi Capital Gemini Holdco LP 3.1M
% of shares outstanding 6.3% Filing date May 14, 2024
Gpi Capital Gemini Holdco LP 3.1M 6.3% May 14, 2024
BlackRock Inc. 2.8M
% of shares outstanding 5.9% Filing date Jan 29, 2024
BlackRock Inc. 2.8M 5.9% Jan 29, 2024
North Bridge Venture Management Vi, L.P. 2.0M
% of shares outstanding 4.8% Filing date Aug 5, 2021
North Bridge Venture Management Vi, L.P. 2.0M 4.8% Aug 5, 2021
Evr Research LP 2.1M
% of shares outstanding 4.3% Filing date Feb 14, 2024
Evr Research LP 2.1M 4.3% Feb 14, 2024
Bamco Inc 2.0M
% of shares outstanding 4.1% Filing date Feb 14, 2024
Bamco Inc 2.0M 4.1% Feb 14, 2024
8 of 13

Couchbase, Inc. (BASE) ownership FAQ

Who owns BASE?

4 reporting institutions disclosed BASE position changes in the Q4 2025 snapshot.

How is institutional activity calculated?

For each manager, WhoBought compares accepted consecutive 13F share counts. Share change is current shares minus prior shares. Estimated dollar change is that signed share change multiplied by the split-adjusted quarter-mean close. The activity table on this page uses Q4 2025.

What are activist and large shareholder filings?

An investor crossing 5% of a share class generally files Schedule 13D for activist intent or Schedule 13G for a passive position. The technical form names appear here rather than in the activity rows.

Where does this data come from?

Ownership and institutional activity come from SEC Form 13F filings. Insider activity comes from SEC Form 4, and large-shareholder activity from SEC Schedules 13D and 13G. FMP supplies price data only. Company logos use the local verified Parqet cache with one shared fallback.

Why are ownership reports delayed?

Form 13F is a quarterly disclosure and is normally filed after the quarter ends. Every ownership and activity value therefore names its represented period; it is not presented as a live position.

How are missing table values shown?

A muted dash marks a missing table value. It means the filing omitted the value, comparable data is unavailable, or no prior position exists for comparison.