Janus Henderson Group
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Janus Henderson Group’s Collegium Pharmaceutical COLL Stock Holding History

Janus Henderson Group’s Portfolio COLL Stock Details COLL Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$60.4M Buy
1,825,651
+377,073
+26% +$16M 0.03% 371
2025
Q4 		$67M Buy
1,448,578
+538,337
+59% +$22.5M 0.03% 360
2025
Q3 		$31.8M Buy
910,241
+440,692
+94% +$15.3M 0.01% 510
2025
Q2 		$13.9M Buy
469,549
+39,068
+9% +$1.11M 0.01% 645
2025
Q1 		$12.8M Buy
430,481
+139,093
+48% +$4.25M 0.01% 661
2024
Q4 		$8.34M Buy
291,388
+221,903
+319% +$7.34M ﹤0.01% 767
2024
Q3 		$2.69M Buy
69,485
+55,572
+399% +$1.98M ﹤0.01% 1161
2024
Q2 		$448K Sell
13,913
-549,492
-98% -$19.1M ﹤0.01% 2045
2024
Q1 		$21.9M Sell
563,405
-64,107
-10% -$2.24M 0.01% 545
2023
Q4 		$19.3M Sell
627,512
-252,686
-29% -$6.33M 0.01% 558
2023
Q3 		$19.7M Sell
880,198
-196,032
-18% -$4.47M 0.01% 536
2023
Q2 		$23.1M Sell
1,076,230
-202,124
-16% -$4.59M 0.01% 533
2023
Q1 		$30.7M Sell
1,278,354
-202,816
-14% -$5.38M 0.02% 481
2022
Q4 		$34.4M Sell
1,481,170
-2,350,826
-61% -$47.4M 0.02% 455
2022
Q3 		$61.4M Buy
3,831,996
+1,622,993
+73% +$28.6M 0.02% 469
2022
Q2 		$39.1M Sell
2,209,003
-147,779
-6% -$2.49M 0.03% 432
2022
Q1 		$48M Sell
2,356,782
-1,417,521
-38% -$26.8M 0.02% 511
2021
Q4 		$70.5M Sell
3,774,303
-324,608
-8% -$6.33M 0.03% 441
2021
Q3 		$80.9M Buy
4,098,911
+7,060
+0.2% +$153K 0.04% 406
2021
Q2 		$96.7M Buy
4,091,851
+15,174
+0.4% +$351K 0.04% 374
2021
Q1 		$96.6M Sell
4,076,677
-1,010,832
-20% -$24M 0.04% 383
2020
Q4 		$102M Sell
5,087,509
-34,850
-0.7% -$680K 0.05% 360
2020
Q3 		$107M Sell
5,122,359
-14,126
-0.3% -$255K 0.06% 311
2020
Q2 		$89.9M Buy
5,136,485
+32,519
+0.6% +$637K 0.05% 344
2020
Q1 		$83.3M Buy
5,103,966
+601,617
+13% +$12.4M 0.06% 322
2019
Q4 		$92.7M Buy
4,502,349
+210,843
+5% +$3.51M 0.05% 405
2019
Q3 		$49.3M Sell
4,291,506
-32,049
-0.7% -$366K 0.03% 581
2019
Q2 		$56.9M Buy
4,323,555
+693,812
+19% +$9.28M 0.03% 542
2019
Q1 		$55M Sell
3,629,743
-521,976
-13% -$8.36M 0.03% 551
2018
Q4 		$71.3M Buy
4,151,719
+31,896
+0.8% +$546K 0.05% 441
2018
Q3 		$60.7M Buy
4,119,823
+309,477
+8% +$5.49M 0.03% 536
2018
Q2 		$90.9M Sell
3,810,346
-16,926
-0.4% -$416K 0.05% 404
2018
Q1 		$97.8M Buy
3,827,272
+535,214
+16% +$12.8M 0.06% 374
2017
Q4 		$60.8M Buy
+3,292,058
New +$47.2M 0.04% 494

Other funds holding COLL

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
EAM
Eventide Asset Management Boston, Massachusetts $6.05B AUM 76.64% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Principal Financial Group
Principal Financial Group Des Moines, Iowa $187B AUM 18.48% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

Janus Henderson Group's COLL Position: Q1 2026 in Review

Janus Henderson Group increased its Collegium Pharmaceutical (COLL) stake by 26% in Q1 2026, buying an estimated $16M and bringing the position to 1,825,651 shares worth $60.4M. The position accounts for 0.03% of the portfolio, ranked #371.

Janus Henderson Group first reported a position in COLL in Q4 2017 and has held it in 34 quarters since. The position peaked at $107M in Q3 2020. 266 funds tracked by Wall St. Rank hold COLL as of Q1 2026.

  • Janus Henderson Group held 1,825,651 shares of Collegium Pharmaceutical worth $60.4M as of Q1 2026.
  • Janus Henderson Group bought 377,073 Collegium Pharmaceutical shares in Q1 2026, an estimated $16M.
  • Collegium Pharmaceutical made up 0.03% of Janus Henderson Group's portfolio in Q1 2026, its #371 holding.
  • Janus Henderson Group first reported a position in Collegium Pharmaceutical in Q4 2017 and has held it in 34 quarters since.
  • Janus Henderson Group's Collegium Pharmaceutical position peaked at $107M in Q3 2020.
  • 266 funds tracked by Wall St. Rank held Collegium Pharmaceutical as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.