MRSN
MERSANA THERAPEUTICS INCNo price
New fund stakes
0
Q4 2025 13F · 0 exits
Filing reports
1
analyzed by SecBot
SecBot read MIXED 1 report · latest
Balance 0 bearish · 0 bullish · 1 neutral oldest → newest, height = score
Avg score
Price
Daily candles with volume.
No data for this timeframe.
Signal stack
Where each data set points today.
- InstitutionsBEARISH
Q4 2025: 1 added (0 new), 9 trimmed or exited.
Who's buying
13F· Q4 20250
new positions
0
exits
| Fund | Move | Value |
|---|---|---|
| VANGUARD GROUP INC | TRIM | $6.1M |
| BlackRock, Inc. | TRIM | $2.0M |
| MACKENZIE FINANCIAL CORP | TRIM | $967.4K |
| STATE STREET CORP | TRIM | $565.4K |
| MORGAN STANLEY | TRIM | $535.1K |
| BNP PARIBAS FINANCIAL MARKETS | DOUBLED | $31.5K |
| UBS Group AG | NEAR_EXIT | $6.4K |
| JPMORGAN CHASE & CO | NEAR_EXIT | $3.2K |
Quarterly 13F filings are due 45 days after each quarter ends.
Catalysts
Scheduled dates and disclosed events: earnings, FDA and trial readouts, halts, press releases. Colored dot = impact.
Recent
Recent activity
The latest filings, insider trades, analyst actions, press and options flow, newest first.
Aug 11, 2026 Earnings calendar
Jun 11, 2026 SEC MRSN Q2 2026 Earnings Scheduled, 2026-08-11
Five passive institutions trimmed MRSN positions in Q4 2025, with Vanguard, BlackRock, and State Street reducing share…
INST-CLUSTER · Impact 2/10
Dec 31, 2025 Inst.
VANGUARD GROUP INC · TRIM
210,301 shares ($6.1M)
Dec 31, 2025 Inst.
BlackRock, Inc. · TRIM
69,210 shares ($2.0M)
SecBot reports
1 filing · 0 bullish · 0 bearish · 1 neutralAll MRSN filing & press-release reports (1)
- INST-CLUSTER reportJun 11, 2026