BAMCO Inc
EXPO icon

BAMCO Inc’s Exponent EXPO Stock Holding History

BAMCO Inc’s Portfolio EXPO Stock Details EXPO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$32.4M Buy
496,733
+25,865
+5% +$1.84M 0.1% 155
2025
Q4 		$32.7M Sell
470,868
-31,581
-6% -$2.22M 0.09% 173
2025
Q3 		$34.9M Buy
502,449
+1,210
+0.2% +$86.5K 0.09% 175
2025
Q2 		$37.4M Buy
501,239
+166,930
+50% +$12.9M 0.1% 163
2025
Q1 		$27.1M Buy
334,309
+21,047
+7% +$1.83M 0.08% 178
2024
Q4 		$27.9M Hold
313,262
– – 0.07% 176
2024
Q3 		$36.1M Hold
313,262
– – 0.1% 163
2024
Q2 		$29.8M Hold
313,262
– – 0.09% 175
2024
Q1 		$25.9M Buy
+313,262
New +$25.9M 0.07% 191

Other funds holding EXPO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $5.01B AUM 6.26% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
GCM
Geneva Capital Management Milwaukee, Wisconsin $4.71B AUM 6.32% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

BAMCO Inc's EXPO Position: Q1 2026 in Review

BAMCO Inc increased its Exponent (EXPO) stake by 5.5% in Q1 2026, buying an estimated $1.84M and bringing the position to 496,733 shares worth $32.4M. The position accounts for 0.1% of the portfolio, ranked #155.

BAMCO Inc first reported a position in EXPO in Q1 2024 and has held it in 9 quarters since. The position peaked at $37.4M in Q2 2025. 360 funds tracked by Wall St. Rank hold EXPO as of Q1 2026.

  • BAMCO Inc held 496,733 shares of Exponent worth $32.4M as of Q1 2026.
  • BAMCO Inc bought 25,865 Exponent shares in Q1 2026, an estimated $1.84M.
  • Exponent made up 0.1% of BAMCO Inc's portfolio in Q1 2026, its #155 holding.
  • BAMCO Inc first reported a position in Exponent in Q1 2024 and has held it in 9 quarters since.
  • BAMCO Inc's Exponent position peaked at $37.4M in Q2 2025.
  • 360 funds tracked by Wall St. Rank held Exponent as of Q1 2026.

Based on BAMCO Inc's 13F filing for Q1 2026, filed 15 May 2026.