Bain Capital Life Sciences Investors, LLC
10% Owner | Director, 10% Owner
9 companies
Insider Signal Score
41
WeakTrades Analyzed
8
12M Win Rate
25.0%
Avg 3M Return
-24.5%
Avg 12M Return
-26.0%
Bain Capital Life Sciences Investors, LLC is a 10% Owner at Heartflow, Inc. with holdings across 9 companies. Recent SEC Form 4 filings include 12 buys and 4 sells.
Estimated insider holdings value: $634.9M based on current market prices.
Holdings by Company
HTFLApr 30, 2026
Current Shares8.45M
Value$301.18M
Net Activity-2,000,000
Bought: 0Sold: 2.00M
RPIDJul 19, 2021
Current Shares8.33M
Value$14.17M
Net Activity+100.0K
Bought: 100.0KSold: 0
ANNXMay 25, 2023
Current Shares5.70M
Value$31.25M
Net Activity+700.0K
Bought: 700.0KSold: 0
SLDBFeb 19, 2025
Current Shares5.03M
Value$46.77M
Net Activity+1.00M
Bought: 1.00MSold: 0
OLMAJan 10, 2025
Current Shares4.30M
Value$48.98M
Net Activity+300.0K
Bought: 300.0KSold: 0
ARQTFeb 4, 2020
Current Shares3.98M
Value$107.44M
Net Activity+294.1K
Bought: 294.1KSold: 0
KYTXFeb 12, 2024
Current Shares3.16M
Value$26.70M
Net Activity+450.0K
Bought: 450.0KSold: 0
REPLJul 24, 2018
Current Shares2.84M
Value$33.02M
Net Activity+500.0K
Bought: 500.0KSold: 0
XLODec 10, 2021
Current Shares2.81M
Value$25.39M
Net Activity+42.5K
Bought: 42.5KSold: 0
Transaction History
Showing 10 filings
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Apr 30, 2026 | HTFL Heartflow, Inc. | 10% Owner | Sell | 2,000,000 | $29.45 | $58,898,336.45 | -5.2% | - | - | |
| Feb 19, 2025 | SLDB Solid Biosciences Inc. | 10% Owner | Buy | 1,000,000 | $4.03 | $4,030,000.00 | +24.8% | -54.4% | -9.1% | |
| Jan 8, 2025 | OLMA Olema Pharmaceuticals, Inc. | 10% Owner | Buy | 300,000 | $5.76 | $1,727,370.00 | +4.0% | -46.8% | +344.7% | |
| Feb 12, 2024 | KYTX Kyverna Therapeutics, Inc. | 10% Owner | Buy | 450,000 | $22.00 | $9,900,000.00 | +16.6% | -51.1% | -90.2% | |
| May 25, 2023 | ANNX Annexon, Inc. | 10% Owner | Buy | 300,000 | $2.13 | $639,720.00 | +5.6% | +43.8% | +136.2% | |
| Dec 10, 2021 | XLO Xilio Therapeutics, Inc. | 10% Owner | Buy | 42,469 | $9.66 | $410,161.39 | +0.4% | -24.1% | -77.6% | |
| Jul 19, 2021 | RPID Rapid Micro Biosystems, Inc. | 10% Owner | Buy | 100,000 | $20.00 | $2,000,000.00 | +1.2% | -11.0% | -78.3% | |
| Jul 28, 2020 | ANNX Annexon, Inc. | 10% Owner | Buy | 400,000 | $17.00 | $6,800,000.00 | +14.1% | - | - | |
| Feb 4, 2020 | ARQT Arcutis Biotherapeutics, Inc. | 10% Owner | Buy | 294,117 | $17.00 | $4,999,989.00 | +8.0% | - | - | |
| Jul 24, 2018 | REPL Replimune Group, Inc. | 10% Owner | Buy | 500,000 | $15.00 | $7,500,000.00 | +21.4% | - | - |