BRNS · Barinthus Biotherapeutics plc. · Holdings
Market Cap
$30.23M
Shares
40.85M
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: $6,074,203
Total Shares: 9,203,348
Institutional Ownership Trend
21 quarters
Holder Concentration
Across 15 13F filers · Δ vs Mar 31, 2026Top Holder
56.5%
+0.6 pts
Top 5
94.4%
+1.2 pts
Top 10
99.3%
−0.0 pts
HHI
3,668
Highly concentrated+72
Quarterly Activity
vs Mar 31, 2026
New
3
Increased
2
Decreased
2
Sold Out
2
Unchanged
8
Holder count:
+1
Institutional value:
+14.8%
Shares held:
-1.0%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega MORGAN STANLEY | +106,633 | 108,843 | |
| Small Rangeley Capital, LLC | +25,671 | 185,136 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | −126,000 | 25,000 | |
| Mega CITADEL ADVISORS LLC | −42,242 | 76,754 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid XTX Topco Ltd | 14,819 | $9,780 | |
| Small TWO SIGMA SECURITIES, LLC | 11,052 | $7,294 | |
| Mega UBS Group AG | 1,008 | $665 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid GTS SECURITIES LLC | 73,210 | $41,656 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | 11,568 | $6,582 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Large M&G PLC | $3,430,250 | 56.47% | 5,197,349 | Shares | 2026-08-06 | |
| Mid HSG Holding Ltd | $937,512 | 15.43% | 1,420,473 | Shares | 2026-08-13 | |
| Micro GLR Partners, LLC | $820,628 | 13.51% | 1,243,377 | Shares | 2026-07-27 | |
| Micro DC Funds, LP | $423,854 | 6.98% | 642,204 | Shares | 2026-08-14 | |
| Small Rangeley Capital, LLC | $122,189 | 2.01% | 185,136 | Shares | 2026-08-14 | |
| Small Johns Hopkins University Endowment | $80,676 | 1.33% | 122,237 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY | $71,835 | 1.18% | 108,843 | Shares | 2026-08-13 | |
| Large Baird Financial Group, Inc. | $69,934 | 1.15% | 105,961 | Shares | 2026-08-12 | |
| Mega CITADEL ADVISORS LLC | $50,657 | 0.83% | 76,754 | Shares | 2026-09-02 | |
| Large HighTower Advisors, LLC | $24,717 | 0.41% | 37,450 | Shares | 2026-08-05 | |
| Large RENAISSANCE TECHNOLOGIES LLC | $16,500 | 0.27% | 25,000 | Shares | 2026-08-13 | |
| Mid XTX Topco Ltd | $9,780 | 0.16% | 14,819 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS | $7,712 | 0.13% | 11,685 | Shares | 2026-08-12 | |
| Small TWO SIGMA SECURITIES, LLC Broker-Dealer | $7,294 | 0.12% | 11,052 | Shares | 2026-08-14 | |
| Mega UBS Group AG | $665 | 0.01% | 1,008 | Shares | 2026-08-13 |