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GAMCO Investors’s Blackrock BLK Stock Holding History

GAMCO Investors’s Portfolio BLK Stock Details BLK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.44M Sell
4,615
-6
-0.1% -$6.31K 0.04% 381
2025
Q4 		$4.95M Sell
4,621
-87
-2% -$95.1K 0.05% 365
2025
Q3 		$5.49M Sell
4,708
-33
-0.7% -$36.9K 0.05% 330
2025
Q2 		$4.97M Sell
4,741
-82
-2% -$77.5K 0.05% 352
2025
Q1 		$4.56M Sell
4,823
-90
-2% -$88.2K 0.05% 346
2024
Q4 		$5.04M Sell
4,913
-118
-2% -$120K 0.05% 334
2024
Q3 		$4.78M Sell
5,031
-175
-3% -$151K 0.05% 350
2024
Q2 		$4.1M Sell
5,206
-270
-5% -$211K 0.04% 368
2024
Q1 		$4.57M Sell
5,476
-820
-13% -$659K 0.05% 353
2023
Q4 		$5.11M Sell
6,296
-205
-3% -$143K 0.05% 336
2023
Q3 		$4.2M Sell
6,501
-105
-2% -$73.3K 0.05% 355
2023
Q2 		$4.57M Sell
6,606
-4,663
-41% -$3.12M 0.05% 344
2023
Q1 		$7.54M Sell
11,269
-263
-2% -$185K 0.08% 259
2022
Q4 		$8.17M Buy
11,532
+4,787
+71% +$3.2M 0.09% 245
2022
Q3 		$3.71M Sell
6,745
-27
-0.4% -$17.7K 0.04% 354
2022
Q2 		$4.12M Sell
6,772
-42
-0.6% -$27.3K 0.05% 349
2022
Q1 		$5.21M Buy
6,814
+7
+0.1% +$5.47K 0.05% 340
2021
Q4 		$6.23M Sell
6,807
-129
-2% -$118K 0.05% 316
2021
Q3 		$5.82M Sell
6,936
-7
-0.1% -$6.27K 0.05% 334
2021
Q2 		$6.08M Buy
6,943
+383
+6% +$323K 0.05% 331
2021
Q1 		$4.95M Buy
6,560
+90
+1% +$65.3K 0.04% 351
2020
Q4 		$4.67M Buy
6,470
+1,972
+44% +$1.31M 0.04% 344
2020
Q3 		$2.54M Buy
4,498
+3
+0.1% +$1.71K 0.03% 422
2020
Q2 		$2.45M Buy
4,495
+949
+27% +$479K 0.03% 416
2020
Q1 		$1.56M Buy
3,546
+1,546
+77% +$762K 0.02% 476
2019
Q4 		$1M Hold
2,000
– – 0.01% 603
2019
Q3 		$891K Hold
2,000
– – 0.01% 624
2019
Q2 		$939K Buy
+2,000
New +$905K 0.01% 616
2018
Q3 		– Sell
-1,870
Closed -$933K – 835
2018
Q2 		$933K Buy
1,870
+824
+79% +$435K 0.01% 584
2018
Q1 		$567K Buy
+1,046
New +$574K ﹤0.01% 652
2016
Q3 		– Sell
-3,372
Closed -$1.16M – 809
2016
Q2 		$1.16M Sell
3,372
-8
-0.2% -$2.81K 0.01% 578
2016
Q1 		$1.15M Sell
3,380
-5
-0.1% -$1.58K 0.01% 575
2015
Q4 		$1.15M Buy
3,385
+3
+0.1% +$1.02K 0.01% 581
2015
Q3 		$1.01M Hold
3,382
– – 0.01% 608
2015
Q2 		$1.17M Sell
3,382
-85
-2% -$31K 0.01% 592
2015
Q1 		$1.27M Sell
3,467
-1,503
-30% -$545K 0.01% 598
2014
Q4 		$1.78M Hold
4,970
– – 0.01% 552
2014
Q3 		$1.63M Sell
4,970
-260
-5% -$83.7K 0.01% 576
2014
Q2 		$1.67M Buy
5,230
+290
+6% +$88.9K 0.01% 572
2014
Q1 		$1.55M Sell
4,940
-725
-13% -$222K 0.01% 562
2013
Q4 		$1.79M Buy
5,665
+100
+2% +$29.9K 0.01% 542
2013
Q3 		$1.51M Buy
5,565
+590
+12% +$160K 0.01% 557
2013
Q2 		$1.28M Buy
+4,975
New +$1.33M 0.01% 556

Other funds holding BLK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Temasek Holdings
Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

GAMCO Investors's BLK Position: Q1 2026 in Review

GAMCO Investors reduced its Blackrock (BLK) stake by 0.13% in Q1 2026, selling an estimated $6.31K and leaving 4,615 shares worth $4.44M. The position accounts for 0.04% of the portfolio, ranked #381.

GAMCO Investors first reported a position in BLK in Q2 2013 and has held it in 43 quarters since. The position peaked at $8.17M in Q4 2022. 2,320 funds tracked by Wall St. Rank hold BLK as of Q1 2026.

  • GAMCO Investors held 4,615 shares of Blackrock worth $4.44M as of Q1 2026.
  • GAMCO Investors sold 6 Blackrock shares in Q1 2026, an estimated $6.31K.
  • Blackrock made up 0.04% of GAMCO Investors's portfolio in Q1 2026, its #381 holding.
  • GAMCO Investors first reported a position in Blackrock in Q2 2013 and has held it in 43 quarters since.
  • GAMCO Investors's Blackrock position peaked at $8.17M in Q4 2022.
  • 2,320 funds tracked by Wall St. Rank held Blackrock as of Q1 2026.

Based on GAMCO Investors's 13F filing for Q1 2026, filed 14 May 2026.