Swiss National Bank’s SIGA Technologies SIGA Stock Holding History

Swiss National Bank’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	–	Sell	-83,900	Closed	-$513K	–	2344
2025 Q4	$513K	Hold	83,900	–	–	﹤0.01%	2290
2025 Q3	$768K	Hold	83,900	–	–	﹤0.01%	2238
2025 Q2	$547K	Hold	83,900	–	–	﹤0.01%	2300
2025 Q1	$460K	Hold	83,900	–	–	﹤0.01%	2353
2024 Q4	$504K	Hold	83,900	–	–	﹤0.01%	2404
2024 Q3	$566K	Hold	83,900	–	–	﹤0.01%	2408
2024 Q2	$637K	Sell	83,900 -2,600	-3%	-$21.2K	﹤0.01%	2363
2024 Q1	$740K	Hold	86,500	–	–	﹤0.01%	2356
2023 Q4	$484K	Hold	86,500	–	–	﹤0.01%	2480
2023 Q3	$454K	Hold	86,500	–	–	﹤0.01%	2527
2023 Q2	$437K	Sell	86,500 -8,000	-8%	-$45.5K	﹤0.01%	2557
2023 Q1	$543K	Sell	94,500 -10,600	-10%	-$70.8K	﹤0.01%	2502
2022 Q4	$774K	Hold	105,100	–	–	﹤0.01%	2457
2022 Q3	$1.08M	Hold	105,100	–	–	﹤0.01%	2294
2022 Q2	$1.22M	Hold	105,100	–	–	﹤0.01%	2256
2022 Q1	$745K	Buy	105,100 +6,000	+6%	+$40.1K	﹤0.01%	2504
2021 Q4	$745K	Sell	99,100 -3,300	-3%	-$25.1K	﹤0.01%	2572
2021 Q3	$757K	Hold	102,400	–	–	﹤0.01%	2503
2021 Q2	$643K	Sell	102,400 -12,400	-11%	-$85.2K	﹤0.01%	2595
2021 Q1	$746K	Hold	114,800	–	–	﹤0.01%	2410
2020 Q4	$835K	Sell	114,800 -5,500	-5%	-$38.8K	﹤0.01%	2366
2020 Q3	$826K	Hold	120,300	–	–	﹤0.01%	2186
2020 Q2	$711K	Buy	120,300 +19,500	+19%	+$111K	﹤0.01%	2278
2020 Q1	$482K	Hold	100,800	–	–	﹤0.01%	2201
2019 Q4	$481K	Buy	+100,800	New	+$513K	﹤0.01%	2427

Other funds holding SIGA

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

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

AltraVue Capital Bellevue, Washington $1.16B AUM 46.45% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

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

Swiss National Bank's SIGA Position: Q1 2026 in Review

Swiss National Bank sold out of SIGA Technologies (SIGA) in Q1 2026, closing a stake of 83,900 shares — an estimated $513K sold.

Swiss National Bank first reported a position in SIGA in Q4 2019 and held it in 25 quarters. The position peaked at $1.22M in Q2 2022. 183 funds tracked by Wall St. Rank hold SIGA as of Q1 2026.

Swiss National Bank reported no remaining SIGA Technologies position as of Q1 2026 after selling out during the quarter.
Swiss National Bank sold 83,900 SIGA Technologies shares in Q1 2026, an estimated $513K.
Swiss National Bank first reported a position in SIGA Technologies in Q4 2019 and held it in 25 quarters.
Swiss National Bank's SIGA Technologies position peaked at $1.22M in Q2 2022.
183 funds tracked by Wall St. Rank held SIGA Technologies as of Q1 2026.

Based on Swiss National Bank's 13F filing for Q1 2026, filed 7 May 2026.