Ameriprise’s Mesa Laboratories MLAB Stock Holding History

Ameriprise’s Portfolio MLAB Stock Details MLAB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-39,095	Closed	-$2.62M	–	4166
2025 Q3	$2.62M	Sell	39,095 -34,418	-47%	-$2.48M	﹤0.01%	2865
2025 Q2	$6.93M	Sell	73,513 -93,255	-56%	-$10.2M	﹤0.01%	2095
2025 Q1	$19.8M	Buy	166,768 +14,906	+10%	+$2.03M	0.01%	1323
2024 Q4	$20M	Buy	151,862 +99,819	+192%	+$12.3M	0.01%	1335
2024 Q3	$6.76M	Sell	52,043 -889	-2%	-$105K	﹤0.01%	2153
2024 Q2	$4.59M	Sell	52,932 -960	-2%	-$101K	﹤0.01%	2377
2024 Q1	$5.91M	Sell	53,892 -708	-1%	-$71.3K	﹤0.01%	2238
2023 Q4	$5.72M	Buy	54,600 +5,054	+10%	+$493K	﹤0.01%	2246
2023 Q3	$5.21M	Sell	49,546 -2,148	-4%	-$275K	﹤0.01%	2248
2023 Q2	$6.64M	Sell	51,694 -9,811	-16%	-$1.5M	﹤0.01%	2128
2023 Q1	$10.7M	Sell	61,505 -4,175	-6%	-$748K	﹤0.01%	1717
2022 Q4	$10.9M	Sell	65,680 -345	-0.5%	-$54.1K	﹤0.01%	1660
2022 Q3	$9.29M	Sell	66,025 -8,898	-12%	-$1.62M	﹤0.01%	1740
2022 Q2	$15.3M	Buy	74,923 +2,043	+3%	+$447K	0.01%	1413
2022 Q1	$18.6M	Buy	72,880 +2,333	+3%	+$634K	0.01%	1411
2021 Q4	$23.1M	Buy	70,547 +22,164	+46%	+$6.96M	0.01%	1298
2021 Q3	$14.6M	Buy	48,383 +2,233	+5%	+$635K	﹤0.01%	1530
2021 Q2	$12.5M	Sell	46,150 -274	-0.6%	-$69.5K	﹤0.01%	1745
2021 Q1	$11.3M	Sell	46,424 -9,353	-17%	-$2.57M	﹤0.01%	1777
2020 Q4	$16M	Buy	55,777 +983	+2%	+$270K	0.01%	1396
2020 Q3	$14M	Sell	54,794 -3,939	-7%	-$936K	0.01%	1313
2020 Q2	$12.7M	Sell	58,733 -11,573	-16%	-$2.67M	0.01%	1354
2020 Q1	$15.9M	Buy	70,306 +5,590	+9%	+$1.38M	0.01%	1085
2019 Q4	$16.1M	Sell	64,716 -605	-0.9%	-$142K	0.01%	1346
2019 Q3	$15.5M	Buy	65,321 +20,905	+47%	+$4.83M	0.01%	1338
2019 Q2	$10.9M	Sell	44,416 -7,607	-15%	-$1.77M	﹤0.01%	1662
2019 Q1	$12M	Sell	52,023 -7,334	-12%	-$1.66M	0.01%	1549
2018 Q4	$12.4M	Buy	59,357 +14,400	+32%	+$2.81M	0.01%	1419
2018 Q3	$8.35M	Buy	44,957 +4,434	+11%	+$892K	﹤0.01%	2014
2018 Q2	$8.55M	Sell	40,523 -2,400	-6%	-$420K	﹤0.01%	1862
2018 Q1	$6.37M	Hold	42,923	–	–	﹤0.01%	2004
2017 Q4	$5.34M	Buy	42,923 +5,000	+13%	+$699K	﹤0.01%	2080
2017 Q3	$5.66M	Hold	37,923	–	–	﹤0.01%	2011
2017 Q2	$5.43M	Sell	37,923 -5,900	-13%	-$839K	﹤0.01%	2006
2017 Q1	$5.38M	Sell	43,823 -6,400	-13%	-$784K	﹤0.01%	1985
2016 Q4	$6.17M	Hold	50,223	–	–	﹤0.01%	1866
2016 Q3	$5.74M	Sell	50,223 -17,439	-26%	-$1.99M	﹤0.01%	1873
2016 Q2	$8.32M	Sell	67,662 -4,613	-6%	-$497K	﹤0.01%	1543
2016 Q1	$6.96M	Sell	72,275 -7,322	-9%	-$660K	﹤0.01%	1720
2015 Q4	$7.92M	Buy	79,597 +8,000	+11%	+$856K	﹤0.01%	1634
2015 Q3	$7.98M	Buy	71,597 +12,150	+20%	+$1.28M	﹤0.01%	1637
2015 Q2	$5.29M	Buy	59,447 +25,005	+73%	+$2.11M	﹤0.01%	2113
2015 Q1	$2.49M	Hold	34,442	–	–	﹤0.01%	2480
2014 Q4	$2.66M	Buy	34,442 +632	+2%	+$46.3K	﹤0.01%	2421
2014 Q3	$1.95M	Sell	33,810 -3,050	-8%	-$221K	﹤0.01%	2529
2014 Q2	$3.1M	Buy	36,860 +2,810	+8%	+$232K	﹤0.01%	2339
2014 Q1	$3.07M	Buy	34,050 +16,830	+98%	+$1.43M	﹤0.01%	2309
2013 Q4	$1.35M	Sell	17,220 -1,730	-9%	-$126K	﹤0.01%	2576
2013 Q3	$1.28M	Buy	18,950 +8,812	+87%	+$563K	﹤0.01%	2607
2013 Q2	$549K	Buy	+10,138	New	+$526K	﹤0.01%	2798

Other funds holding MLAB

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

LPP

Long Path Partners Stamford, Connecticut $220M AUM 25.96% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Select Equity Group New York $19.5B AUM 17.33% 1-Year Est. Return

RIM

Ranger Investment Management Dallas, Texas $1.38B AUM 24.55% 1-Year Est. Return

GCM

Geneva Capital Management Milwaukee, Wisconsin $4.71B AUM 6.32% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

KCM

Kennedy Capital Management St Louis, Missouri $4.72B AUM 36.69% 1-Year Est. Return

Ameriprise's MLAB Position: Q4 2025 in Review

Ameriprise sold out of Mesa Laboratories (MLAB) in Q4 2025, closing a stake of 39,095 shares — an estimated $2.62M sold.

Ameriprise first reported a position in MLAB in Q2 2013 and held it in 50 quarters. The position peaked at $23.1M in Q4 2021. 159 funds tracked by Wall St. Rank hold MLAB as of Q4 2025.

Ameriprise reported no remaining Mesa Laboratories position as of Q4 2025 after selling out during the quarter.
Ameriprise sold 39,095 Mesa Laboratories shares in Q4 2025, an estimated $2.62M.
Ameriprise first reported a position in Mesa Laboratories in Q2 2013 and held it in 50 quarters.
Ameriprise's Mesa Laboratories position peaked at $23.1M in Q4 2021.
159 funds tracked by Wall St. Rank held Mesa Laboratories as of Q4 2025.

Based on Ameriprise's 13F filing for Q4 2025, filed 17 Feb 2026.