ABVC · Abvc Biopharma, Inc.
Market Cap
$23.46M
Shares
26.65M
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: 15
Total Value: $1,740,336
Total Shares: 1,101,483
Institutional Ownership Trend
20 quarters
Holder Concentration
Across 15 13F filers · Δ vs Mar 31, 2026Top Holder
34.0%
+7.3 pts
Top 5
77.7%
−4.1 pts
Top 10
98.1%
+0.2 pts
HHI
1,853
Moderately concentrated+185
Quarterly Activity
vs Mar 31, 2026
New
6
Increased
5
Decreased
0
Sold Out
5
Unchanged
4
Holder count:
+1
Institutional value:
+116.9%
Shares held:
+33.2%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | +183,925 | 374,499 | |
| Mega UBS Group AG | +32,352 | 34,123 | |
| Mega NORTHERN TRUST CORP | +16,556 | 48,643 | |
| Mega JANE STREET GROUP, LLC | +9,359 | 20,059 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +6,873 | 228,042 |
Top Sellers
vs Mar 31, 2026No qualifying movers this quarter.
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega CITADEL ADVISORS LLC | 83,691 | $132,231 | |
| Mid XTX Topco Ltd | 48,276 | $76,276 | |
| Large PANAGORA ASSET MANAGEMENT INC | 36,682 | $57,957 | |
| Mega CITIGROUP INC | 540 | $853 | |
| Small LifeSteps Financial, Inc. | 300 | $474 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | 95,100 | $92,247 | |
| Small TWO SIGMA SECURITIES, LLC | 21,023 | $20,392 | |
| Mega DIMENSIONAL FUND ADVISORS LP | 12,227 | $11,860 | |
| Large Squarepoint Ops LLC | 10,547 | $10,230 | |
| Mid Tower Research Capital LLC (TRC) | 5,423 | $5,260 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $591,708 | 34.00% | 374,499 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $360,306 | 20.70% | 228,042 | Shares | 2026-08-12 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $153,833 | 8.84% | 97,363 | Shares | 2026-08-13 | |
| Mega STATE STREET CORP | $115,024 | 6.61% | 72,800 | Shares | 2026-08-07 | |
| Mega CITADEL ADVISORS LLC | $113,903 | 6.54% | 72,091 | Shares | 2026-08-14 | |
| Mega BlackRock, Inc. | $89,178 | 5.12% | 56,442 | Shares | 2026-08-07 | |
| Mega NORTHERN TRUST CORP Bank | $76,855 | 4.42% | 48,643 | Shares | 2026-08-13 | |
| Mid XTX Topco Ltd | $76,276 | 4.38% | 48,276 | Shares | 2026-08-14 | |
| Large PANAGORA ASSET MANAGEMENT INC | $57,957 | 3.33% | 36,682 | Shares | 2026-08-06 | |
| Mega UBS Group AG | $53,914 | 3.10% | 34,123 | Shares | 2026-08-13 | |
| Mega JANE STREET GROUP, LLC | $31,692 | 1.82% | 20,059 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $18,328 | 1.05% | 11,600 | Put | 2026-08-14 | |
| Mega CITIGROUP INC | $853 | 0.05% | 540 | Shares | 2026-08-03 | |
| Small LifeSteps Financial, Inc. | $474 | 0.03% | 300 | Shares | 2026-07-17 | |
| Mega ROYAL BANK OF CANADA Bank | $26 | 0.00% | 17 | Shares | 2026-08-14 | |
| Small Caitong International Asset Management Co., Ltd | $9 | 0.00% | 6 | Shares | 2026-08-05 |