Collegium Pharmaceutical
COLL · NASDAQ
$23.23+$0.22 (+0.96%)TodayMarket closed ·
Prev close $23.01
Who owns COLL
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 58.8% of COLL’s shares.
- BlackRock Institutional Trust Company, N.A.14.8%
- Janus Henderson Investors6.6%
- Millennium Management LLC5.6%
- Fuller & Thaler Asset Management Inc.5.0%
- Next 6 largest institutions26.8%
- All other shareholders41.2%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 4.78M | 14.75% |
| Janus Henderson Investors | 2.15M | 6.62% |
| Millennium Management LLC | 1.82M | 5.61% |
| Fuller & Thaler Asset Management Inc. | 1.63M | 5.03% |
| Principal Global Investors (Equity) | 1.63M | 5.03% |
| State Street Investment Management (US) | 1.53M | 4.71% |
| MFS Investment Management | 1.41M | 4.33% |
| Vanguard Capital Management, LLC | 1.38M | 4.26% |
| Renaissance Technologies LLC | 1.37M | 4.21% |
| Eventide Asset Management, LLC | 1.36M | 4.20% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.98M | 6.11% |
| Fuller & Thaler Behavioral Small-Cap Equity Fund | 1.43M | 4.41% |
| Eventide Gilead Fund | 1.34M | 4.15% |
| Janus Henderson Horizon Global Smaller Cos Fund | 1.13M | 3.48% |
| Vanguard Total Stock Market Index Fund | 977.96K | 3.02% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $628.58K (4 trades) of COLL on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| SANTINI GINO | Option exercise | 8.70K | — |
| SANTINI GINO | Option exercise | 8.70K | $143.46K |
| Freund John Gordon | Sale | 20 | $681 |
| Freund John Gordon | Option exercise | 8.70K | — |
| Freund John Gordon | Sale | 4.13K | $142.55K |
| Freund John Gordon | Option exercise | 8.70K | $143.46K |
| Glancy Donovan Michael | Award | 17.48K | — |
| Balice-Gordon Rita J. | Award | 8.74K | — |
| Paya Carlos V | Award | 8.74K | — |
| Lurker Nancy | Award | 8.74K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.52M
- Days to cover
- 6.06
- % of shares outstanding
- 17.01%
- Average daily volume
- 910.92K
- Change since last report
- −2.8%
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