BRNS · Insider trading · 13F holders · Congress trades
Barinthus Biotherapeutics plc. (BRNS)
Who is buying and selling BRNS: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 2
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
BRNS at a glance
- No open-market insider purchases or sales of BRNS were filed in the last 90 days.
- 2 13F filers hold BRNS among their 50 largest positions, worth $1.0M combined. The biggest bets by portfolio weight are HSG Holding Ltd (0.1%) and Johns Hopkins University (0.0%).
- No member of Congress has disclosed a trade in BRNS.
BRNS insider trading
No open-market insider purchases or sales of BRNS were filed in the last 90 days.
Who owns BRNS? Hedge funds and superinvestors
2 13F filers hold BRNS among their 50 largest positions, worth $1.0M combined. The biggest bets by portfolio weight are HSG Holding Ltd (0.1%) and Johns Hopkins University (0.0%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| HSG Holding LtdInvestment manager | 0.1% | $938K | 1,420,473 | +0.0% shares | Q2 2026 |
| Johns Hopkins UniversityEndowment & foundation | 0.0% | $81K | 122,237 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 2). Screen BRNS in the grand portfolio →
BRNS stock trades by members of Congress
No member of Congress has disclosed a trade in BRNS.
BRNS questions and answers
Are insiders buying BRNS stock?
No open-market insider purchases or sales of BRNS were filed in the last 90 days.
Which hedge funds own BRNS?
2 13F filers hold BRNS among their 50 largest positions, worth $1.0M combined. The biggest bets by portfolio weight are HSG Holding Ltd (0.1%) and Johns Hopkins University (0.0%).
Has Congress traded BRNS?
No member of Congress has disclosed a trade in BRNS.
Who is the largest holder of BRNS?
Among 13F filers, HSG Holding Ltd reports the largest BRNS position, $938K (1,420,473 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is HSG Holding Ltd's: 0.1% of its portfolio.
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