Bank of Montreal
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Bank of Montreal’s Rhythm Pharmaceuticals RYTM Stock Holding History

Bank of Montreal’s Portfolio RYTM Stock Details RYTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$331K Buy
+3,801
New +$370K ﹤0.01% 2614
2025
Q4 		– Sell
-715
Closed -$72.2K – 3804
2025
Q3 		$72.2K Buy
+715
New +$66.4K ﹤0.01% 3046
2022
Q4 		– Sell
-567
Closed -$14 – 4246
2022
Q3 		$14 Buy
+567
New +$10.5K ﹤0.01% 3843
2021
Q3 		– Sell
-151,446
Closed -$3.09M – 3927
2021
Q2 		$3.09M Buy
151,446
+148,982
+6,046% +$3.09M ﹤0.01% 1832
2021
Q1 		$53K Sell
2,464
-3,954
-62% -$115K ﹤0.01% 3671
2020
Q4 		$212K Buy
6,418
+4,653
+264% +$118K ﹤0.01% 3189
2020
Q3 		$40K Sell
1,765
-924
-34% -$21.2K ﹤0.01% 3531
2020
Q2 		$59K Buy
+2,689
New +$52.4K ﹤0.01% 3360
2020
Q1 		– Sell
-3,697
Closed -$85K – 4620
2019
Q4 		$85K Buy
3,697
+1,682
+83% +$37.4K ﹤0.01% 3582
2019
Q3 		$44K Buy
2,015
+72
+4% +$1.54K ﹤0.01% 3690
2019
Q2 		$43K Buy
1,943
+1,942
+194,200% +$49K ﹤0.01% 3771
2019
Q1 		$0 Sell
1
-215
-100% -$6.18K ﹤0.01% 4681
2018
Q4 		$6K Buy
216
+111
+106% +$3.07K ﹤0.01% 4044
2018
Q3 		$3K Buy
105
+18
+21% +$569 ﹤0.01% 4256
2018
Q2 		$3K Buy
+87
New +$2.38K ﹤0.01% 4272

Other funds holding RYTM

RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
PA
Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

Bank of Montreal's RYTM Position: Q1 2026 in Review

Bank of Montreal opened a new position in Rhythm Pharmaceuticals (RYTM) in Q1 2026: 3,801 shares worth $331K. The stake represents ﹤0.01% of the portfolio and ranks #2614 among its holdings. This is a return to the name: Bank of Montreal previously reported a position in RYTM as recently as Q3 2025.

Bank of Montreal first reported a position in RYTM in Q2 2018 and has held it in 15 quarters since. The position peaked at $3.09M in Q2 2021. 285 funds tracked by Wall St. Rank hold RYTM as of Q1 2026.

  • Bank of Montreal held 3,801 shares of Rhythm Pharmaceuticals worth $331K as of Q1 2026.
  • Rhythm Pharmaceuticals was a new Bank of Montreal position in Q1 2026.
  • Rhythm Pharmaceuticals made up ﹤0.01% of Bank of Montreal's portfolio in Q1 2026, its #2614 holding.
  • Bank of Montreal first reported a position in Rhythm Pharmaceuticals in Q2 2018 and has held it in 15 quarters since.
  • Bank of Montreal's Rhythm Pharmaceuticals position peaked at $3.09M in Q2 2021.
  • 285 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q1 2026.

Based on Bank of Montreal's 13F filing for Q1 2026, filed 13 May 2026.