COLLEGIUM PHARMACEUTICAL INC (COLL) Top Institutional Shareholders
COLLEGIUM PHARMACEUTICAL INC (COLL) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $1.22B in COLL holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of COLL tracked by InsiderSet, reporting ownership valued at approximately $169.78M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $172.91M, representing an estimated gain of +1.84% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 50% of the total disclosed COLL value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Janus Henderson Group Plc, Invesco Ltd., and several other long-term asset managers with concentrated positions in COLLEGIUM PHARMACEUTICAL INC (COLL).
This page ranks the largest institutional COLL shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
263
Total Reported Value
$1.22B
Largest Holder
Blackrock, Inc.
Largest Position
$169.78M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
116
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 5,134,027 | $169,782,275 | $172,914,029 | +$3,131,754 | +1.84% | |
| Janus Henderson Group Plc | 0.03% | 1,825,651 | $60,357,711 | $61,487,926 | +$1,130,215 | +1.87% | |
| Invesco Ltd. | 0.01% | 1,591,909 | $52,644,432 | $53,615,495 | +$971,063 | +1.84% | |
| Fuller & Thaler Asset Management, Inc. | 0.17% | 1,499,584 | $49,591,238 | $50,505,989 | +$914,751 | +1.84% | |
| Renaissance Technologies LLC | Jim Simons | 0.08% | 1,469,449 | $48,594,678 | $49,491,042 | +$896,364 | +1.84% |
| State Street Corp | 0.00% | 1,424,544 | $47,109,670 | $47,978,642 | +$868,972 | +1.84% | |
| Eventide Asset Management, Llc | 0.78% | 1,424,282 | $47,083,833 | $47,969,818 | +$885,985 | +1.88% | |
| Massachusetts Financial Services Co | 0.02% | 1,365,932 | $45,171,371 | $46,004,590 | +$833,219 | +1.84% | |
| Vanguard Capital Management Llc | 0.00% | 1,333,992 | $44,115,115 | $44,928,851 | +$813,736 | +1.84% | |
| Principal Financial Group Inc | 0.02% | 1,295,028 | $42,826,576 | $43,616,543 | +$789,967 | +1.84% | |
| Rubric Capital Management Lp | 0.52% | 1,279,611 | $42,316,736 | $43,097,298 | +$780,562 | +1.84% | |
| Dimensional Fund Advisors Lp | 0.01% | 833,192 | $27,550,723 | $28,061,907 | +$511,184 | +1.86% | |
| Geode Capital Management, Llc | 0.00% | 819,440 | $27,104,738 | $27,598,739 | +$494,001 | +1.82% | |
| Marshall Wace, Llp | 0.03% | 748,812 | $24,763,215 | $25,219,988 | +$456,773 | +1.84% | |
| Arrowstreet Capital, Limited Partnership | 0.01% | 703,528 | $23,265,671 | $23,694,823 | +$429,152 | +1.84% | |
| Vanguard Portfolio Management Llc | 0.00% | 680,381 | $22,500,200 | $22,915,232 | +$415,032 | +1.84% | |
| Victory Capital Management Inc | 0.01% | 625,304 | $20,678,803 | $21,060,239 | +$381,436 | +1.84% | |
| Qube Research & Technologies Ltd | 0.03% | 621,935 | $20,567,390 | $20,946,771 | +$379,381 | +1.84% | |
| Two Sigma Investments, Lp | 0.02% | 590,116 | $19,515,136 | $19,875,107 | +$359,971 | +1.84% | |
| Goldman Sachs Group Inc | 0.00% | 575,141 | $19,019,913 | $19,370,749 | +$350,836 | +1.84% | |
| D. E. Shaw & Co., Inc. | 0.01% | 530,698 | $17,550,183 | $17,873,909 | +$323,726 | +1.84% | |
| Morgan Stanley | 0.00% | 515,179 | $17,036,980 | $17,351,229 | +$314,249 | +1.84% | |
| Charles Schwab Investment Management Inc | 0.00% | 495,027 | $16,370,543 | $16,672,509 | +$301,966 | +1.84% | |
| American Century Companies Inc | 0.01% | 460,744 | $15,236,804 | $15,517,858 | +$281,054 | +1.84% | |
| Emerald Advisers, Llc | 0.42% | 402,752 | $13,319,009 | $13,564,687 | +$245,678 | +1.84% | |
| Loomis Sayles & Co L P | 0.02% | 375,666 | $12,423,274 | $12,652,431 | +$229,157 | +1.84% | |
| Northern Trust Corp | 0.00% | 361,889 | $11,967,669 | $12,188,422 | +$220,753 | +1.84% | |
| Millennium Management Llc | 0.01% | 360,826 | $11,932,516 | $12,152,620 | +$220,104 | +1.84% | |
| Assenagon Asset Management S.A. | 0.02% | 312,598 | $10,337,616 | $10,528,301 | +$190,685 | +1.84% | |
| Emerald Mutual Fund Advisers Trust | 0.49% | 306,074 | $10,121,867 | $10,308,572 | +$186,705 | +1.84% | |
| Bank Of America Corp | 0.00% | 297,847 | $9,849,800 | $10,031,487 | +$181,687 | +1.84% | |
| Royce & Associates Lp | 0.09% | 272,786 | $9,021,033 | $9,187,432 | +$166,399 | +1.84% | |
| Bank Of New York Mellon Corp | 0.00% | 225,705 | $7,464,064 | $7,601,744 | +$137,680 | +1.84% | |
| Vanguard Fiduciary Trust Co | 0.00% | 219,363 | $7,254,334 | $7,388,146 | +$133,812 | +1.84% | |
| Voloridge Investment Management, Llc | 0.03% | 200,306 | $6,624,119 | $6,746,306 | +$122,187 | +1.84% | |
| Hillsdale Investment Management Inc. | 0.17% | 184,600 | $6,104,722 | $6,217,328 | +$112,606 | +1.84% | |
| Franklin Resources Inc | 0.00% | 174,362 | $5,766,151 | $5,872,512 | +$106,361 | +1.84% | |
| Prudential Financial Inc | 0.01% | 170,734 | $5,646,173 | $5,750,321 | +$104,148 | +1.84% | |
| Third Avenue Management | Marty Whitman | 0.83% | 155,143 | $5,130,579 | $5,225,216 | +$94,637 | +1.84% |
| Public Sector Pension Investment Board | 0.01% | 141,251 | $4,671,171 | $4,757,334 | +$86,163 | +1.84% | |
| Aqr Capital Management Llc | 0.00% | 135,216 | $4,471,593 | $4,554,075 | +$82,482 | +1.84% | |
| Sei Investments Co | 0.00% | 130,620 | $4,319,596 | $4,399,282 | +$79,686 | +1.84% | |
| Bnp Paribas Financial Markets | 0.00% | 122,069 | $4,036,822 | $4,111,284 | +$74,462 | +1.84% | |
| Citadel Advisors Llc | 0.00% | 121,366 | $4,013,574 | $4,087,607 | +$74,033 | +1.84% | |
| Ballast Asset Management, Lp | 1.67% | 113,223 | $3,744,285 | $3,813,351 | +$69,066 | +1.84% | |
| Hussman Strategic Advisors, Inc. | 0.75% | 105,000 | $3,472,350 | $3,536,400 | +$64,050 | +1.84% | |
| Wellington Management Group Llp | 0.00% | 103,485 | $3,422,249 | $3,485,375 | +$63,126 | +1.84% | |
| Rhumbline Advisers | 0.00% | 96,327 | $3,185,507 | $3,244,293 | +$58,786 | +1.85% | |
| Peregrine Capital Management Llc | 0.12% | 96,306 | $3,184,839 | $3,243,586 | +$58,747 | +1.84% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.01% | 92,274 | $3,051,501 | $3,107,788 | +$56,287 | +1.84% |
Frequently asked questions about COLL
Who owns the most COLL stock?
The largest holders of COLL are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for COLLEGIUM PHARMACEUTICAL INC (COLL).
Is COLL widely held by superinvestors?
Many widely followed stocks like COLL appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly COLL is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.