BlackRock
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BlackRock’s Acacia Research ACTG Stock Holding History

BlackRock’s Portfolio ACTG Stock Details ACTG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$11.6M Buy
2,406,367
+42,520
+2% +$179K ﹤0.01% 3399
2025
Q4 		$8.84M Buy
2,363,847
+24,131
+1% +$86.6K ﹤0.01% 3541
2025
Q3 		$7.6M Sell
2,339,716
-28,989
-1% -$100K ﹤0.01% 3585
2025
Q2 		$8.48M Sell
2,368,705
-95,027
-4% -$327K ﹤0.01% 3491
2025
Q1 		$7.88M Sell
2,463,732
-42,308
-2% -$173K ﹤0.01% 3439
2024
Q4 		$10.9M Sell
2,506,040
-96,507
-4% -$437K ﹤0.01% 3382
2024
Q3 		$12.1M Buy
2,602,547
+54,135
+2% +$267K ﹤0.01% 3308
2024
Q2 		$12.8M Buy
2,548,412
+104,253
+4% +$540K ﹤0.01% 3241
2024
Q1 		$13M Sell
2,444,159
-38,815
-2% -$162K ﹤0.01% 3210
2023
Q4 		$9.73M Buy
2,482,974
+128,101
+5% +$474K ﹤0.01% 3410
2023
Q3 		$8.6M Sell
2,354,873
-323,906
-12% -$1.24M ﹤0.01% 3425
2023
Q2 		$11.1M Buy
2,678,779
+1,751,680
+189% +$7.07M ﹤0.01% 3368
2023
Q1 		$3.58M Buy
927,099
+2,601
+0.3% +$11K ﹤0.01% 3782
2022
Q4 		$3.89M Sell
924,498
-15,980
-2% -$62.5K ﹤0.01% 3849
2022
Q3 		$3.8M Sell
940,478
-3,941
-0.4% -$18.2K ﹤0.01% 3879
2022
Q2 		$4.76M Sell
944,419
-2,336,751
-71% -$10.7M ﹤0.01% 3839
2022
Q1 		$14.8M Sell
3,281,170
-90,576
-3% -$381K ﹤0.01% 3364
2021
Q4 		$17.3M Sell
3,371,746
-15,198
-0.4% -$82K ﹤0.01% 3363
2021
Q3 		$23M Sell
3,386,944
-9,431
-0.3% -$57.8K ﹤0.01% 3189
2021
Q2 		$23M Buy
3,396,375
+358,470
+12% +$2.13M ﹤0.01% 3217
2021
Q1 		$20.2M Buy
3,037,905
+495,595
+19% +$3.12M ﹤0.01% 3181
2020
Q4 		$10M Sell
2,542,310
-13,594
-0.5% -$48.8K ﹤0.01% 3358
2020
Q3 		$8.87M Sell
2,555,904
-9,065
-0.4% -$35.3K ﹤0.01% 3289
2020
Q2 		$10.5M Sell
2,564,969
-9,294
-0.4% -$26.9K ﹤0.01% 3155
2020
Q1 		$5.72M Sell
2,574,263
-11,838
-0.5% -$28.9K ﹤0.01% 3296
2019
Q4 		$6.88M Sell
2,586,101
-6,804
-0.3% -$18.7K ﹤0.01% 3412
2019
Q3 		$6.95M Sell
2,592,905
-2,948
-0.1% -$8.23K ﹤0.01% 3385
2019
Q2 		$7.68M Sell
2,595,853
-2,246
-0.1% -$7K ﹤0.01% 3366
2019
Q1 		$8.47M Sell
2,598,099
-6,671
-0.3% -$20.7K ﹤0.01% 3194
2018
Q4 		$7.76M Sell
2,604,770
-1,725
-0.1% -$5.33K ﹤0.01% 3212
2018
Q3 		$8.34M Sell
2,606,495
-7,262
-0.3% -$27K ﹤0.01% 3317
2018
Q2 		$10.8M Sell
2,613,757
-8,177
-0.3% -$31.4K ﹤0.01% 3197
2018
Q1 		$9.18M Sell
2,621,934
-37,267
-1% -$137K ﹤0.01% 3164
2017
Q4 		$10.8M Sell
2,659,201
-6,082
-0.2% -$25.8K ﹤0.01% 3108
2017
Q3 		$12.1M Sell
2,665,283
-7,619
-0.3% -$28.5K ﹤0.01% 3057
2017
Q2 		$11M Sell
2,672,902
-40,664
-1% -$189K ﹤0.01% 3116
2017
Q1 		$15.6M Buy
2,713,566
+2,703,384
+26,551% +$15.8M ﹤0.01% 2904
2016
Q4 		$66K Sell
10,182
-921
-8% -$5.98K ﹤0.01% 2794
2016
Q3 		$72K Sell
11,103
-2,718
-20% -$15.7K ﹤0.01% 2779
2016
Q2 		$61K Buy
13,821
+11,622
+529% +$53.4K ﹤0.01% 2834
2016
Q1 		$8K Buy
2,199
+721
+49% +$2.65K ﹤0.01% 3231
2015
Q4 		$6K Hold
1,478
– – ﹤0.01% 3080
2015
Q3 		$13K Hold
1,478
– – ﹤0.01% 2599
2015
Q2 		$13K Hold
1,478
– – ﹤0.01% 2614
2015
Q1 		$16K Hold
1,478
– – ﹤0.01% 2454
2014
Q4 		$25K Hold
1,478
– – ﹤0.01% 2249
2014
Q3 		$23K Hold
1,478
– – ﹤0.01% 2253
2014
Q2 		$26K Sell
1,478
-107
-7% -$1.73K ﹤0.01% 2245
2014
Q1 		$24K Hold
1,585
– – ﹤0.01% 2265
2013
Q4 		$23K Hold
1,585
– – ﹤0.01% 2286
2013
Q3 		$37K Hold
1,585
– – ﹤0.01% 1956
2013
Q2 		$36K Buy
+1,585
New +$39.8K ﹤0.01% 1993

Other funds holding ACTG

SV
Starboard Value New York $4.57B AUM 4.97% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
KF
Krilogy Financial St. Louis, Missouri $3.11B AUM 20.67% 1-Year Est. Return
PLC
Peapod Lane Capital Bedford Hills, New York $122M AUM 67.29% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
PRCP
Pacific Ridge Capital Partners Lake Oswego, Oregon $462M AUM 40.76% 1-Year Est. Return
FAM
Formidable Asset Management Cincinnati, Ohio $629M AUM 15.56% 1-Year Est. Return

BlackRock's ACTG Position: Q1 2026 in Review

BlackRock increased its Acacia Research (ACTG) stake by 1.8% in Q1 2026, buying an estimated $179K and bringing the position to 2,406,367 shares worth $11.6M. The position accounts for ﹤0.01% of the portfolio, ranked #3399.

BlackRock first reported a position in ACTG in Q2 2013 and has held it in 52 quarters since. The position peaked at $23M in Q3 2021. 118 funds tracked by Wall St. Rank hold ACTG as of Q1 2026.

  • BlackRock held 2,406,367 shares of Acacia Research worth $11.6M as of Q1 2026.
  • BlackRock bought 42,520 Acacia Research shares in Q1 2026, an estimated $179K.
  • Acacia Research made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #3399 holding.
  • BlackRock first reported a position in Acacia Research in Q2 2013 and has held it in 52 quarters since.
  • BlackRock's Acacia Research position peaked at $23M in Q3 2021.
  • 118 funds tracked by Wall St. Rank held Acacia Research as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.