COLL

Collegium Pharmaceutical Inc$36.27 1.23%
Health CareUSCUSIP 19459J104· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
198
-8 QoQ
13F Value (tracked)
$1.1B
Insider Net · 180d
-$3.4M
0↑ 5↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)34 adding · 20 trimming
Insider net (180d)-$3.4M

Price & smart-money activity

$36.27 1.23%5Y +47.0%
$11.68$21.83$31.98$42.13$52.2820212022202320242025202620282023337162430227232427274403072440332762932340326513145334345221549354642652446665046158434
Hover for who · click for detailEnd-of-day closing prices52w $29.75 – $49.84
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Ask your agent what changed in COLL

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/COLL/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for COLL.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

Top institutional holders

198 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$169.8M
5.1M
+0.7%
Added · +34K sh
Q1 2026
2JANUS HENDERSON GROUP PLC
$60.4M
1.8M
+26%
Added · +377K sh
Q1 2026
3FULLER & THALER ASSET MANAGEMENT, INC.
$49.6M
1.5M
~0%
Reduced · −488 sh
Q1 2026
4RENAISSANCE TECHNOLOGIES LLC
$48.6M
1.5M
−9.1%
Reduced · −148K sh
Q1 2026
5STATE STREET CORP
$47.1M
1.4M
+8.7%
Added · +114K sh
Q1 2026
6EVENTIDE ASSET MANAGEMENT, LLC
$47.1M
1.4M
−24%
Reduced · −452K sh
Q1 2026
7MASSACHUSETTS FINANCIAL SERVICES CO /MA/
$45.2M
1.4M
+4.0%
Added · +53K sh
Q1 2026
8VANGUARD CAPITAL MANAGEMENT LLC
$44.1M
1.3M
New
+1.3M sh
Q1 2026
9PRINCIPAL FINANCIAL GROUP INC
$42.8M
1.3M
−1.4%
Reduced · −19K sh
Q1 2026
10Rubric Capital Management LP
$42.3M
1.3M
−14%
Reduced · −217K sh
Q1 2026
11DIMENSIONAL FUND ADVISORS LP
$27.6M
833K
+0.3%
Added · +3K sh
Q1 2026
12GEODE CAPITAL MANAGEMENT, LLC
$27.1M
819K
−1.2%
Reduced · −10K sh
Q1 2026
13MARSHALL WACE, LLP
$24.8M
749K
+52%
Added · +256K sh
Q1 2026
14ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
$23.3M
704K
+29%
Added · +160K sh
Q1 2026
15VANGUARD PORTFOLIO MANAGEMENT LLC
$22.5M
680K
New
+680K sh
Q1 2026
16VICTORY CAPITAL MANAGEMENT INC
$20.7M
625K
+37%
Added · +168K sh
Q1 2026
17Qube Research & Technologies Ltd
$20.6M
622K
+132%
Added · +354K sh
Q1 2026
18TWO SIGMA INVESTMENTS, LP
$19.5M
590K
+61%
Added · +224K sh
Q1 2026
19GOLDMAN SACHS GROUP INC
$19.0M
575K
−11%
Reduced · −72K sh
Q1 2026
20D. E. Shaw & Co., Inc.
$17.6M
531K
−19%
Reduced · −123K sh
Q1 2026
21MORGAN STANLEY
$17.0M
515K
−25%
Reduced · −169K sh
Q1 2026
22CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$16.4M
495K
+11%
Added · +48K sh
Q1 2026
23AMERICAN CENTURY COMPANIES INC
$15.2M
461K
+122%
Added · +254K sh
Q1 2026
24EMERALD ADVISERS, LLC
$13.3M
403K
−36%
Reduced · −227K sh
Q1 2026
25LOOMIS SAYLES & CO L P
$12.4M
376K
+13%
Added · +43K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
3
funds
Added
31
funds
Reduced
20
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$3.4M
5 insiders
Net
-$3.4M
8 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jun 8, 2026SANTINI GINODirectorOption exercise (M)9K$143K
Jun 8, 2026SANTINI GINODirectorOption exercise (M)9K$0
May 18, 2026Freund John GordonDirectorSell (S)20$681
May 15, 2026Freund John GordonDirectorOption exercise (M)9K$143K
May 15, 2026Freund John GordonDirectorSell (S)4K$143K
May 15, 2026Freund John GordonDirectorOption exercise (M)9K$0
May 14, 2026Balice-Gordon Rita J.DirectorGrant (A)9K$0
May 14, 2026Lurker NancyDirectorGrant (A)9K$0
May 14, 2026Paya Carlos VDirectorGrant (A)9K$0
May 14, 2026Glancy Donovan MichaelDirectorGrant (A)17K$0
May 14, 2026BOHLIN GAREN GDirectorGrant (A)9K$0
May 14, 2026SANTINI GINODirectorGrant (A)9K$0

Institutional ownership over time

199 funds+33 since Q3 2024
0104207Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $1.1B

Funds that own COLL also own

CompanyCo-held byCombined value
ELI LILLY & COLLY87 funds$10.6B
MICROSOFT CORPMSFT86 funds$41.2B
AMAZON.COM INCAMZN86 funds$28.3B
ALPHABET INC-CL AGOOGL86 funds$27.5B
BROADCOM INCAVGO86 funds$22.6B
NVIDIA CORPNVDA85 funds$57.7B
COSTCO WHOLESALE CORPCOST85 funds$6.7B
APPLE INCAAPL84 funds$47.4B
META PLATFORMS INC-CLASS AMETA84 funds$18.1B
JPMORGAN CHASE & COJPM84 funds$12.3B
VISA INC-CLASS A SHARESV84 funds$7.4B
LAM RESEARCH CORPLRCX84 funds$5.1B

Ranked by how many of COLL's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for COLL. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.