Mangrove Partners’s Acadian Asset Management AAMI Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $372K | Sell |
6,832
-1,958
| -22% | -$103K | 0.03% | 236 |
|
|
2025
Q4 | $413K | Buy |
+8,790
| New | +$405K | 0.03% | 180 |
|
|
2024
Q1 | – | Sell |
-425,761
| Closed | -$8.16M | – | 174 |
|
|
2023
Q4 | $8.16M | Sell |
425,761
-615,227
| -59% | -$10.9M | 0.55% | 59 |
|
|
2023
Q3 | $20.2M | Hold |
1,040,988
| – | – | 1.52% | 18 |
|
|
2023
Q2 | $21.8M | Hold |
1,040,988
| – | – | 1.51% | 19 |
|
|
2023
Q1 | $24.5M | Sell |
1,040,988
-75,532
| -7% | -$1.78M | 1.61% | 14 |
|
|
2022
Q4 | $23M | Hold |
1,116,520
| – | – | 1.3% | 13 |
|
|
2022
Q3 | $16.6M | Buy |
1,116,520
+396,933
| +55% | +$7.12M | 0.97% | 20 |
|
|
2022
Q2 | $13M | Buy |
+719,587
| New | +$14.7M | 0.64% | 28 |
|
|
2021
Q4 | – | Sell |
-246,008
| Closed | -$6.43M | – | 531 |
|
|
2021
Q3 | $6.43M | Buy |
+246,008
| New | +$6.34M | 0.58% | 26 |
|
|
2021
Q1 | – | Sell |
-361,157
| Closed | -$6.96M | – | 331 |
|
|
2020
Q4 | $6.96M | Sell |
361,157
-1,722,165
| -83% | -$29M | 0.95% | 17 |
|
|
2020
Q3 | $26.9M | Sell |
2,083,322
-173,851
| -8% | -$2.29M | 3.4% | 6 |
|
|
2020
Q2 | $28.1M | Sell |
2,257,173
-1,983,946
| -47% | -$16.2M | 6.86% | 3 |
|
|
2020
Q1 | $27.1M | Buy |
4,241,119
+60,446
| +1% | +$522K | 3.74% | 5 |
|
|
2019
Q4 | $42.7M | Buy |
4,180,673
+1,552,517
| +59% | +$15.1M | 6.25% | 6 |
|
|
2019
Q3 | $26M | Buy |
2,628,156
+785,360
| +43% | +$7.98M | 3.16% | 9 |
|
|
2019
Q2 | $21M | Hold |
1,842,796
| – | – | 2.38% | 15 |
|
|
2019
Q1 | $25M | Hold |
1,842,796
| – | – | 3.34% | 9 |
|
|
2018
Q4 | $19.7M | Buy |
1,842,796
+675,341
| +58% | +$8.12M | 2.62% | 11 |
|
|
2018
Q3 | $14.5M | Buy |
1,167,455
+196,036
| +20% | +$2.57M | 0.91% | 15 |
|
|
2018
Q2 | $13.9M | Hold |
971,419
| – | – | 0.89% | 16 |
|
|
2018
Q1 | $15.3M | Buy |
971,419
+98,536
| +11% | +$1.62M | 1% | 17 |
|
|
2017
Q4 | $14.6M | Hold |
872,883
| – | – | 1.97% | 16 |
|
|
2017
Q3 | $13M | Buy |
872,883
+140,704
| +19% | +$2.01M | 2.23% | 13 |
|
|
2017
Q2 | $10.9M | Buy |
732,179
+200,000
| +38% | +$2.96M | 2.22% | 14 |
|
|
2017
Q1 | $8.05M | Hold |
532,179
| – | – | 1.84% | 13 |
|
|
2016
Q4 | $7.72M | Buy |
532,179
+25,508
| +5% | +$362K | 1.39% | 17 |
|
|
2016
Q3 | $7.05M | Buy |
506,671
+284,394
| +128% | +$3.85M | 1.65% | 16 |
|
|
2016
Q2 | $2.97M | Sell |
222,277
-117,412
| -35% | -$1.64M | 0.74% | 24 |
|
|
2016
Q1 | $4.54M | Hold |
339,689
| – | – | 0.93% | 27 |
|
|
2015
Q4 | $5.21M | Hold |
339,689
| – | – | 1.29% | 26 |
|
|
2015
Q3 | $5.24M | Hold |
339,689
| – | – | 1.2% | 26 |
|
|
2015
Q2 | $6.04M | Buy |
339,689
+6,900
| +2% | +$131K | 1.5% | 20 |
|
|
2015
Q1 | $6.2M | Buy |
332,789
+24,315
| +8% | +$407K | 1.5% | 23 |
|
|
2014
Q4 | $5.01M | Buy |
+308,474
| New | +$4.73M | 1.39% | 26 |
|
Other funds holding AAMI
PC
ECP
VCM
VPM
Mangrove Partners's AAMI Position: Q1 2026 in Review
Mangrove Partners reduced its Acadian Asset Management (AAMI) stake by 22% in Q1 2026, selling an estimated $103K and leaving 6,832 shares worth $372K. The position accounts for 0.03% of the portfolio, ranked #236.
Mangrove Partners first reported a position in AAMI in Q4 2014 and has held it in 35 quarters since. The position peaked at $42.7M in Q4 2019. 257 funds tracked by Wall St. Rank hold AAMI as of Q1 2026.
- Mangrove Partners held 6,832 shares of Acadian Asset Management worth $372K as of Q1 2026.
- Mangrove Partners sold 1,958 Acadian Asset Management shares in Q1 2026, an estimated $103K.
- Acadian Asset Management made up 0.03% of Mangrove Partners's portfolio in Q1 2026, its #236 holding.
- Mangrove Partners first reported a position in Acadian Asset Management in Q4 2014 and has held it in 35 quarters since.
- Mangrove Partners's Acadian Asset Management position peaked at $42.7M in Q4 2019.
- 257 funds tracked by Wall St. Rank held Acadian Asset Management as of Q1 2026.
Based on Mangrove Partners's 13F filing for Q1 2026, filed 15 May 2026.