RhumbLine Advisers
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RhumbLine Advisers’s SIGA Technologies SIGA Stock Holding History

RhumbLine Advisers’s Portfolio SIGA Stock Details SIGA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$274K Sell
51,142
-2,493
-5% -$15.5K ﹤0.01% 2953
2025
Q4 		$328K Sell
53,635
-10,702
-17% -$76.1K ﹤0.01% 2915
2025
Q3 		$589K Sell
64,337
-3,749
-6% -$30K ﹤0.01% 2581
2025
Q2 		$444K Buy
68,086
+431
+0.6% +$2.58K ﹤0.01% 2757
2025
Q1 		$371K Buy
67,655
+536
+0.8% +$3.17K ﹤0.01% 2772
2024
Q4 		$403K Sell
67,119
-842
-1% -$5.63K ﹤0.01% 2805
2024
Q3 		$459K Sell
67,961
-1,986
-3% -$17.3K ﹤0.01% 2750
2024
Q2 		$531K Buy
69,947
+2,851
+4% +$23.2K ﹤0.01% 2639
2024
Q1 		$574K Buy
67,096
+454
+0.7% +$2.59K ﹤0.01% 2577
2023
Q4 		$373K Sell
66,642
-574
-0.9% -$3.08K ﹤0.01% 2834
2023
Q3 		$353K Sell
67,216
-992
-1% -$4.89K ﹤0.01% 2838
2023
Q2 		$344K Buy
68,208
+5,283
+8% +$30K ﹤0.01% 2926
2023
Q1 		$362K Buy
62,925
+2,357
+4% +$15.7K ﹤0.01% 2555
2022
Q4 		$446K Buy
60,568
+1,032
+2% +$9.04K ﹤0.01% 2520
2022
Q3 		$613K Buy
59,536
+4,402
+8% +$70.7K ﹤0.01% 2402
2022
Q2 		$638K Buy
55,134
+3,531
+7% +$31.8K ﹤0.01% 2361
2022
Q1 		$366K Sell
51,603
-1,002
-2% -$6.7K ﹤0.01% 2564
2021
Q4 		$396K Sell
52,605
-895
-2% -$6.82K ﹤0.01% 2601
2021
Q3 		$395K Buy
53,500
+361
+0.7% +$2.31K ﹤0.01% 2652
2021
Q2 		$334K Sell
53,139
-6,585
-11% -$45.2K ﹤0.01% 2743
2021
Q1 		$388K Sell
59,724
-3,560
-6% -$24.1K ﹤0.01% 2600
2020
Q4 		$460K Buy
63,284
+3,110
+5% +$21.9K ﹤0.01% 2475
2020
Q3 		$413K Sell
60,174
-10,015
-14% -$68.1K ﹤0.01% 2373
2020
Q2 		$415K Buy
70,189
+1,599
+2% +$9.13K ﹤0.01% 2431
2020
Q1 		$328K Buy
68,590
+216
+0.3% +$1.05K ﹤0.01% 2364
2019
Q4 		$326K Buy
68,374
+557
+0.8% +$2.84K ﹤0.01% 2551
2019
Q3 		$347K Sell
67,817
-450
-0.7% -$2.43K ﹤0.01% 2501
2019
Q2 		$388K Buy
68,267
+3,383
+5% +$18.7K ﹤0.01% 2472
2019
Q1 		$390K Sell
64,884
-2,305
-3% -$15.5K ﹤0.01% 2429
2018
Q4 		$531K Buy
67,189
+22,627
+51% +$129K ﹤0.01% 2273
2018
Q3 		$307K Sell
44,562
-2,961
-6% -$21.7K ﹤0.01% 2506
2018
Q2 		$282K Buy
+47,523
New +$308K ﹤0.01% 2567
2014
Q2 		– Sell
-31,578
Closed -$98K – 3066
2014
Q1 		$98K Sell
31,578
-1,790
-5% -$5.93K ﹤0.01% 2925
2013
Q4 		$109K Sell
33,368
-6,850
-17% -$23.1K ﹤0.01% 2950
2013
Q3 		$154K Buy
40,218
+6,251
+18% +$21.4K ﹤0.01% 2862
2013
Q2 		$96K Buy
+33,967
New +$114K ﹤0.01% 3249

Other funds holding SIGA

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
AC
AltraVue Capital Bellevue, Washington $1.16B AUM 46.45% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FWSM
First Wilshire Securities Management Pasadena, California $444M AUM 42.88% 1-Year Est. Return

RhumbLine Advisers's SIGA Position: Q1 2026 in Review

RhumbLine Advisers reduced its SIGA Technologies (SIGA) stake by 4.6% in Q1 2026, selling an estimated $15.5K and leaving 51,142 shares worth $274K. The position accounts for ﹤0.01% of the portfolio, ranked #2953.

RhumbLine Advisers first reported a position in SIGA in Q2 2013 and has held it in 36 quarters since. The position peaked at $638K in Q2 2022. 183 funds tracked by Wall St. Rank hold SIGA as of Q1 2026.

  • RhumbLine Advisers held 51,142 shares of SIGA Technologies worth $274K as of Q1 2026.
  • RhumbLine Advisers sold 2,493 SIGA Technologies shares in Q1 2026, an estimated $15.5K.
  • SIGA Technologies made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #2953 holding.
  • RhumbLine Advisers first reported a position in SIGA Technologies in Q2 2013 and has held it in 36 quarters since.
  • RhumbLine Advisers's SIGA Technologies position peaked at $638K in Q2 2022.
  • 183 funds tracked by Wall St. Rank held SIGA Technologies as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.