Harbor Investment Advisory’s Bio-Rad Laboratories Class A BIO Stock Holding History

Harbor Investment Advisory’s Portfolio BIO Stock Details BIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-26	Closed	-$7.25K	–	1320
2026 Q1	$7.25K	Buy	+26	New	+$7.49K	﹤0.01%	957
2023 Q4	–	Sell	-10	Closed	-$3.58K	–	1168
2023 Q3	$3.58K	Sell	10 -361	-97%	-$139K	﹤0.01%	965
2023 Q2	$141K	Buy	371 +65	+21%	+$26.5K	0.02%	416
2023 Q1	$147K	Buy	306 +35	+13%	+$16.4K	0.02%	409
2022 Q4	$114K	Buy	271 +10	+4%	+$4.04K	0.02%	460
2022 Q3	$109K	Buy	261 +19	+8%	+$9.47K	0.02%	446
2022 Q2	$120K	Hold	242	–	–	0.02%	455
2022 Q1	$136K	Hold	242	–	–	0.02%	459
2021 Q4	$183K	Sell	242 -2	-0.8%	-$1.5K	0.02%	395
2021 Q3	$182K	Hold	244	–	–	0.02%	386
2021 Q2	$157K	Hold	244	–	–	0.02%	409
2021 Q1	$139K	Hold	244	–	–	0.02%	408
2020 Q4	$142K	Buy	244 +71	+41%	+$40.4K	0.02%	375
2020 Q3	$89K	Buy	173 +83	+92%	+$42K	0.02%	391
2020 Q2	$41K	Hold	90	–	–	0.01%	474
2020 Q1	$32K	Buy	+90	New	+$33.1K	0.01%	479

Other funds holding BIO

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

EARNEST Partners Atlanta, Georgia $27.7B AUM 52.44% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Harbor Investment Advisory's BIO Position: Q2 2026 in Review

Harbor Investment Advisory sold out of Bio-Rad Laboratories Class A (BIO) in Q2 2026, closing a stake of 26 shares — an estimated $7.25K sold.

Harbor Investment Advisory first reported a position in BIO in Q1 2020 and held it in 16 quarters. The position peaked at $183K in Q4 2021. 399 funds tracked by Wall St. Rank hold BIO as of Q2 2026.

Harbor Investment Advisory reported no remaining Bio-Rad Laboratories Class A position as of Q2 2026 after selling out during the quarter.
Harbor Investment Advisory sold 26 Bio-Rad Laboratories Class A shares in Q2 2026, an estimated $7.25K.
Harbor Investment Advisory first reported a position in Bio-Rad Laboratories Class A in Q1 2020 and held it in 16 quarters.
Harbor Investment Advisory's Bio-Rad Laboratories Class A position peaked at $183K in Q4 2021.
399 funds tracked by Wall St. Rank held Bio-Rad Laboratories Class A as of Q2 2026.

Based on Harbor Investment Advisory's 13F filing for Q2 2026, filed 7 Jul 2026.