Citigroup
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Citigroup’s Mayville Engineering Co MEC Stock Holding History

Citigroup’s Portfolio MEC Stock Details MEC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.97M Buy
52,620
+50,983
+3,114% +$1.36M ﹤0.01% 2951
2026
Q1 		$29.4K Buy
1,637
+246
+18% +$4.74K ﹤0.01% 4710
2025
Q4 		$26K Buy
1,391
+167
+14% +$2.72K ﹤0.01% 4795
2025
Q3 		$16.8K Sell
1,224
-4,511
-79% -$67.9K ﹤0.01% 4874
2025
Q2 		$91.5K Sell
5,735
-3,921
-41% -$56K ﹤0.01% 4448
2025
Q1 		$130K Sell
9,656
-923
-9% -$13.9K ﹤0.01% 4446
2024
Q4 		$166K Buy
10,579
+878
+9% +$16.1K ﹤0.01% 4524
2024
Q3 		$204K Buy
9,701
+6,448
+198% +$121K ﹤0.01% 4330
2024
Q2 		$54.2K Buy
3,253
+889
+38% +$13.4K ﹤0.01% 4531
2024
Q1 		$33.9K Buy
2,364
+551
+30% +$7.19K ﹤0.01% 4829
2023
Q4 		$26.1K Buy
1,813
+1,803
+18,030% +$22.4K ﹤0.01% 4877
2023
Q3 		$110 Sell
10
-3,289
-100% -$38K ﹤0.01% 5396
2023
Q2 		$41.1K Sell
3,299
-21,048
-86% -$266K ﹤0.01% 4745
2023
Q1 		$363K Buy
24,347
+10,543
+76% +$154K ﹤0.01% 3353
2022
Q4 		$175K Buy
+13,804
New +$138K ﹤0.01% 3786
2022
Q3 		– Sell
-86
Closed -$1K – 6130
2022
Q2 		$1K Sell
86
-300
-78% -$2.54K ﹤0.01% 6055
2022
Q1 		$4K Sell
386
-1,890
-83% -$21.4K ﹤0.01% 5898
2021
Q4 		$34K Buy
2,276
+1,099
+93% +$18.1K ﹤0.01% 5233
2021
Q3 		$22K Buy
1,177
+752
+177% +$12.9K ﹤0.01% 5198
2021
Q2 		$9K Sell
425
-63
-13% -$1.11K ﹤0.01% 5704
2021
Q1 		$7K Sell
488
-1,017
-68% -$15K ﹤0.01% 5807
2020
Q4 		$20K Buy
1,505
+1,152
+326% +$12.7K ﹤0.01% 6645
2020
Q3 		$3K Sell
353
-696
-66% -$5.88K ﹤0.01% 7215
2020
Q2 		$8K Sell
1,049
-697
-40% -$4.28K ﹤0.01% 7135
2020
Q1 		$11K Buy
1,746
+467
+37% +$3.5K ﹤0.01% 7004
2019
Q4 		$12K Buy
1,279
+967
+310% +$10K ﹤0.01% 7145
2019
Q3 		$4K Sell
312
-1,454
-82% -$19.4K ﹤0.01% 7392
2019
Q2 		$24K Buy
+1,766
New +$27.2K ﹤0.01% 6993

Other funds holding MEC

PCM
Portolan Capital Management Boston, Massachusetts $2.67B AUM 169.09% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
SPPAM
Summit Partners Public Asset Management Boston, Massachusetts $5.69B AUM 259.25% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Citigroup's MEC Position: Q2 2026 in Review

Citigroup increased its Mayville Engineering Co (MEC) stake by 3,114% in Q2 2026, buying an estimated $1.36M and bringing the position to 52,620 shares worth $1.97M. The position accounts for ﹤0.01% of the portfolio, ranked #2951.

Citigroup first reported a position in MEC in Q2 2019 and has held it in 28 quarters since. 155 funds tracked by Wall St. Rank hold MEC as of Q2 2026.

  • Citigroup held 52,620 shares of Mayville Engineering Co worth $1.97M as of Q2 2026.
  • Citigroup bought 50,983 Mayville Engineering Co shares in Q2 2026, an estimated $1.36M.
  • Mayville Engineering Co made up ﹤0.01% of Citigroup's portfolio in Q2 2026, its #2951 holding.
  • Citigroup first reported a position in Mayville Engineering Co in Q2 2019 and has held it in 28 quarters since.
  • 155 funds tracked by Wall St. Rank held Mayville Engineering Co as of Q2 2026.

Based on Citigroup's 13F filing for Q2 2026, filed 3 Aug 2026.