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ABPO · Abpro Holdings, Inc. · Holdings

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$0.40 +0.04 (+12.59%) At close · Oct 21
Market Cap
$2.36M
Shares
5.90M
Volume · Oct 21 20.05K Avg daily vol (3M) 11.27K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Institutional holdings are being reconciled with SEC filings. Holder totals and changes may be incomplete until reconciliation finishes.
Holders: 4
Total Value: $0
Total Shares: 429,734

Institutional Ownership Trend

17 quarters

Who Holds ABPO

Last 8 quarters through Mar 31, 2026

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Mar 31, 2026: 4 filers, like-for-like change -94.0%; actively managed books -94.0%; index-like books -94.9%.

Holder type Share Filers Change
Registered adviser 0.0% 0 -100.0%
Exempt adviser 0.0% 0 -100.0%
Adviser 0.0% 0 -100.0%
Bank 1.9% 1 -97.1%
Benefit plan 0.0% 0 -100.0%
Non-US 0.0% 0 -100.0%
Holding company 0.0% 0 -100.0%
Broker-dealer 0.0% 0 —
Unknown 98.1% 3 -77.8%
How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Excluded 1 holder with no observed 2026-03-31 13F. Compared across CIK changes: VANGUARD GROUP INC continues as 9 filers, not ranked one by one.

Quarterly Activity

vs Dec 31, 2025
New
1
Increased
0
Decreased
0
Sold Out
31
Unchanged
3

New and Sold Out count only filers that reported a 13F for both quarters: a first-time filer's book is not a buy, and a fund that has not filed, or withheld its positions under confidential treatment, has not sold.

Holder count: -31
Institutional value: -100.0%
Shares held: -95.1%

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 4 of 4
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1893219 CUSIP 000847202 Visit website