COLLEGIUM PHARMACEUTICAL, INC
Total Trades
61
Buys
0
Sells
44
Largest Trade
N/A
Insiders
9
Institutional Funds
224
Inst. Value
$1M+
Activist Filings
28
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Ciaffoni Joseph | President and CEO | EXERCISE | <$1K | 43 | $15.90 | Nov 30, 2022 |
| Ciaffoni Joseph | President and CEO | SELL | <$1K | 43 | $22.00 | Nov 30, 2022 |
| Ciaffoni Joseph | President and CEO | SELL | $1K–$15K | 65 | $22.00 | Nov 25, 2022 |
| Ciaffoni Joseph | President and CEO | EXERCISE | $1K–$15K | 65 | $15.90 | Nov 25, 2022 |
| Ciaffoni Joseph | President and CEO | EXERCISE | $15K–$50K | 2K | $15.90 | Nov 22, 2022 |
| Ciaffoni Joseph | President and CEO | SELL | $15K–$50K | 2K | $22.02 | Nov 22, 2022 |
| Tupper Colleen | CFO | SELL | $50K–$100K | 4K | $17.35 | Oct 6, 2022 |
| Kuhlmann Shirley R. | EVP and General Co… | SELL | $500K+ | 39K | $18.07 | Sep 16, 2022 |
| Kuhlmann Shirley R. | EVP and General Co… | SELL | $1K–$15K | 300 | $20.01 | Aug 15, 2022 |
| Ciaffoni Joseph | President and CEO | SELL | $1M+ | 76K | $18.47 | Mar 3, 2022 |
| Dreyer Scott | EVP & Chief Commer… | SELL | $100K–$500K | 11K | $21.61 | Feb 28, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 224 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| EVENTIDE ASSET MANAGEMENT, LLC | 1.9M | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 1.6M | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1.5M | $1M+ | SH |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1.5M | $1M+ | SH |
| Rubric Capital Management LP | 1.5M | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.3M | $1M+ | SH |
| STATE STREET CORP | 1.3M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 788K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 727K | $1M+ | SH |
| EMERALD ADVISERS, LLC | 629K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 544K | $1M+ | SH |
| Assenagon Asset Management S.A. | 512K | $1M+ | SH |
| VICTORY CAPITAL MANAGEMENT INC | 457K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 447K | $1M+ | SH |
| EMERALD MUTUAL FUND ADVISERS TRUST | 392K | $1M+ | SH |
| LSV ASSET MANAGEMENT | 348K | $1M+ | SH |
| LOOMIS SAYLES & CO L P | 294K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 251K | $1M+ | SH |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 248K | $1M+ | SH |
| Pacer Advisors, Inc. | 241K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 13, 2026
4.7%
1.5M shares
Eventide Asset Management, LLC
SC 13G/A · Feb 13, 2026
5.9%
1.9M shares
SC 13G · Nov 13, 2025
5.1%
1.6M shares
SC 13G/A · Aug 13, 2025
4.8%
1.5M shares
SC 13G/A · Aug 11, 2025
4.6%
1.5M shares
SC 13G/A · Aug 7, 2025
4.9%
1.6M shares
SC 13G/A · May 14, 2025
9.3%
3.0M shares
Pacer US Small Cap Cash Cows ETF
SC 13G/A · May 2, 2025
1.1%
416K shares
Pacer US Small Cap Cash Cows ETF
SC 13G · May 2, 2025
5.4%
2.1M shares
SC 13G/A · Apr 28, 2025
15.6%
5.0M shares
SC 13G · Feb 13, 2025
7.3%
2.4M shares
SC 13G · Feb 7, 2025
5.5%
1.8M shares
Principal Global Investors, LLC 42-1479618
SC 13G · Nov 13, 2024
5.4%
1.7M shares
SC 13G/A · Nov 13, 2024
3.9%
1.3M shares
SC 13G · Nov 13, 2024
5.1%
1.7M shares
Eventide Asset Management, LLC
SC 13G/A · Feb 14, 2024
8.1%
2.6M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
7.1%
2.3M shares
SC 13G/A · Feb 12, 2024
8.5%
2.8M shares
SC 13G/A · Jan 19, 2024
17.7%
5.8M shares
SC 13G/A · Feb 10, 2023
9.9%
3.3M shares
SC 13G/A · Jan 30, 2023
17.1%
5.7M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Sep 12, 2022
5.8%
2.0M shares
SC 13G/A · Feb 15, 2022
0.0%
0 shares
Eventide Asset Management, LLC
SC 13G/A · Feb 14, 2022
7.6%
2.6M shares
Camber Capital Management LP 42-1693587
SC 13G/A · Feb 14, 2022
3.0%
1.1M shares
SC 13G/A · Feb 14, 2022
7.5%
2.6M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G/A · Feb 10, 2022
10.9%
3.8M shares
SC 13G/A · Jan 28, 2022
16.3%
5.6M shares