AMBO · Ambow Education Holding Ltd. · Holdings
Market Cap
$5.92M
Shares
2.86M
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.
Holders: 3
Total Value: $119,662
Total Shares: 52,715
Institutional Ownership Trend
26 quarters
Holder Concentration
Across 3 13F filers · Δ vs Mar 31, 2026Top Holder
97.3%
+18.4 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
9,463
Highly concentrated+2,798
Quarterly Activity
vs Mar 31, 2026
New
1
Increased
1
Decreased
1
Sold Out
0
Unchanged
0
Holder count:
+1
Institutional value:
+3203.8%
Shares held:
+3363.5%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega UBS Group AG | +223 | 545 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large JONES FINANCIAL COMPANIES LLLP | −300 | 900 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega CITADEL ADVISORS LLC | 51,270 | $116,382 |
Top Sold-Out Positions
vs Mar 31, 2026No fully closed positions this quarter.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega CITADEL ADVISORS LLC | $116,382 | 97.26% | 51,270 | Shares | 2026-09-02 | |
| Large JONES FINANCIAL COMPANIES LLLP | $2,043 | 1.71% | 900 | Shares | 2026-08-14 | |
| Mega UBS Group AG | $1,237 | 1.03% | 545 | Shares | 2026-08-13 |