BAMCO Inc
RGEN icon

BAMCO Inc’s Repligen RGEN Stock Holding History

BAMCO Inc’s Portfolio RGEN Stock Details RGEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$102M Buy
748,466
+200,120
+36% +$24.6M 0.15% 65
2026
Q1 		$64.6M Buy
548,346
+3,567
+0.7% +$498K 0.2% 88
2025
Q4 		$89.3M Buy
544,779
+163,101
+43% +$25.5M 0.24% 78
2025
Q3 		$51M Buy
381,678
+107,235
+39% +$13M 0.14% 134
2025
Q2 		$34.1M Buy
274,443
+69,474
+34% +$8.84M 0.09% 167
2025
Q1 		$26.1M Buy
204,969
+44,742
+28% +$6.89M 0.08% 182
2024
Q4 		$23.1M Sell
160,227
-6,792
-4% -$974K 0.06% 189
2024
Q3 		$24.9M Sell
167,019
-5,495
-3% -$788K 0.07% 189
2024
Q2 		$21.7M Sell
172,514
-208,772
-55% -$32.7M 0.06% 195
2024
Q1 		$70.1M Sell
381,286
-64,472
-14% -$12.3M 0.19% 106
2023
Q4 		$80.1M Sell
445,758
-13,026
-3% -$2.03M 0.21% 90
2023
Q3 		$73M Buy
458,784
+99,763
+28% +$16.3M 0.21% 83
2023
Q2 		$50.8M Buy
359,021
+138,047
+62% +$22.1M 0.14% 125
2023
Q1 		$37.2M Buy
220,974
+212,374
+2,469% +$37.9M 0.11% 145
2022
Q4 		$1.46M Buy
8,600
+1,800
+26% +$326K ﹤0.01% 321
2022
Q3 		$1.27M Buy
+6,800
New +$1.43M ﹤0.01% 325

Other funds holding RGEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
UCFA
United Capital Financial Advisors Irving, Texas $18.2B AUM 22.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
MC
Maverick Capital Dallas, Texas $11.3B AUM 76.6% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

BAMCO Inc's RGEN Position: Q2 2026 in Review

BAMCO Inc increased its Repligen (RGEN) stake by 36% in Q2 2026, buying an estimated $24.6M and bringing the position to 748,466 shares worth $102M. The position accounts for 0.15% of the portfolio, ranked #65.

BAMCO Inc first reported a position in RGEN in Q3 2022 and has held it in 16 quarters since. 481 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

  • BAMCO Inc held 748,466 shares of Repligen worth $102M as of Q2 2026.
  • BAMCO Inc bought 200,120 Repligen shares in Q2 2026, an estimated $24.6M.
  • Repligen made up 0.15% of BAMCO Inc's portfolio in Q2 2026, its #65 holding.
  • BAMCO Inc first reported a position in Repligen in Q3 2022 and has held it in 16 quarters since.
  • 481 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on BAMCO Inc's 13F filing for Q2 2026, filed 14 Aug 2026.