Swiss National Bank’s Ribbon Communications RBBN Stock Holding History

Swiss National Bank’s Portfolio RBBN Stock Details RBBN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-185,474	Closed	-$534K	–	2338
2025 Q4	$534K	Hold	185,474	–	–	﹤0.01%	2286
2025 Q3	$705K	Hold	185,474	–	–	﹤0.01%	2258
2025 Q2	$744K	Hold	185,474	–	–	﹤0.01%	2244
2025 Q1	$727K	Hold	185,474	–	–	﹤0.01%	2261
2024 Q4	$772K	Hold	185,474	–	–	﹤0.01%	2308
2024 Q3	$603K	Hold	185,474	–	–	﹤0.01%	2393
2024 Q2	$610K	Hold	185,474	–	–	﹤0.01%	2372
2024 Q1	$594K	Hold	185,474	–	–	﹤0.01%	2416
2023 Q4	$538K	Sell	185,474 -17,200	-8%	-$38.8K	﹤0.01%	2461
2023 Q3	$543K	Hold	202,674	–	–	﹤0.01%	2492
2023 Q2	$565K	Buy	202,674 +39,400	+24%	+$109K	﹤0.01%	2514
2023 Q1	$558K	Sell	163,274 -18,800	-10%	-$68.7K	﹤0.01%	2497
2022 Q4	$508K	Buy	182,074 +7,000	+4%	+$18.1K	﹤0.01%	2568
2022 Q3	$389K	Hold	175,074	–	–	﹤0.01%	2632
2022 Q2	$532K	Sell	175,074 -53,400	-23%	-$161K	﹤0.01%	2598
2022 Q1	$706K	Buy	228,474 +16,900	+8%	+$69.2K	﹤0.01%	2524
2021 Q4	$1.28M	Hold	211,574	–	–	﹤0.01%	2325
2021 Q3	$1.26M	Buy	211,574 +3,300	+2%	+$22.3K	﹤0.01%	2322
2021 Q2	$1.58M	Buy	208,274 +42,200	+25%	+$323K	﹤0.01%	2250
2021 Q1	$1.36M	Buy	166,074 +2,000	+1%	+$16.6K	﹤0.01%	2216
2020 Q4	$1.08M	Hold	164,074	–	–	﹤0.01%	2252
2020 Q3	$635K	Buy	164,074 +27,900	+20%	+$118K	﹤0.01%	2296
2020 Q2	$535K	Buy	136,174 +28,800	+27%	+$105K	﹤0.01%	2368
2020 Q1	$325K	Buy	107,374 +3,600	+3%	+$10.8K	﹤0.01%	2324
2019 Q4	$322K	Hold	103,774	–	–	﹤0.01%	2477
2019 Q3	$606K	Buy	103,774 +6,800	+7%	+$35.7K	﹤0.01%	2288
2019 Q2	$474K	Hold	96,974	–	–	﹤0.01%	2429
2019 Q1	$499K	Buy	96,974 +5,400	+6%	+$28.9K	﹤0.01%	2370
2018 Q4	$441K	Hold	91,574	–	–	﹤0.01%	2394
2018 Q3	$625K	Hold	91,574	–	–	﹤0.01%	2355
2018 Q2	$652K	Hold	91,574	–	–	﹤0.01%	2372
2018 Q1	$467K	Buy	91,574 +10,600	+13%	+$68.6K	﹤0.01%	2390
2017 Q4	$626K	Hold	80,974	–	–	﹤0.01%	2340
2017 Q3	$619K	Hold	80,974	–	–	﹤0.01%	2301
2017 Q2	$602K	Hold	80,974	–	–	﹤0.01%	2349
2017 Q1	$534K	Hold	80,974	–	–	﹤0.01%	2356
2016 Q4	$510K	Hold	80,974	–	–	﹤0.01%	2386
2016 Q3	$630K	Hold	80,974	–	–	﹤0.01%	2236
2016 Q2	$704K	Buy	80,974 +8,200	+11%	+$68.3K	﹤0.01%	2167
2016 Q1	$529K	Buy	72,774 +13,600	+23%	+$90.9K	﹤0.01%	2275
2015 Q4	$422K	Hold	59,174	–	–	﹤0.01%	2356
2015 Q3	$338K	Buy	59,174 +8,300	+16%	+$55.9K	﹤0.01%	2354
2015 Q2	$352K	Hold	50,874	–	–	﹤0.01%	2395
2015 Q1	$401K	Buy	50,874 +1,400	+3%	+$23.1K	﹤0.01%	2283
2014 Q4	$982K	Hold	49,474	–	–	﹤0.01%	1739
2014 Q3	$846K	Hold	49,474	–	–	﹤0.01%	1763
2014 Q2	$888K	Hold	49,474	–	–	﹤0.01%	1790
2014 Q1	$834K	Buy	49,474 +11,674	+31%	+$194K	﹤0.01%	1816
2013 Q4	$595K	Hold	37,800	–	–	﹤0.01%	1876
2013 Q3	$639K	Buy	37,800 +5,100	+16%	+$86.7K	﹤0.01%	1777
2013 Q2	$492K	Buy	+32,700	New	+$436K	﹤0.01%	1932

Other funds holding RBBN

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

PCMI

Paradigm Capital Management Inc Albany, New York $2.61B AUM 78.58% 1-Year Est. Return

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

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

Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

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

Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $43.4B AUM 51.29% 1-Year Est. Return

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

Swiss National Bank sold out of Ribbon Communications (RBBN) in Q1 2026, closing a stake of 185,474 shares — an estimated $534K sold.

Swiss National Bank first reported a position in RBBN in Q2 2013 and held it in 51 quarters. The position peaked at $1.58M in Q2 2021. 150 funds tracked by Wall St. Rank hold RBBN as of Q1 2026.

Swiss National Bank reported no remaining Ribbon Communications position as of Q1 2026 after selling out during the quarter.
Swiss National Bank sold 185,474 Ribbon Communications shares in Q1 2026, an estimated $534K.
Swiss National Bank first reported a position in Ribbon Communications in Q2 2013 and held it in 51 quarters.
Swiss National Bank's Ribbon Communications position peaked at $1.58M in Q2 2021.
150 funds tracked by Wall St. Rank held Ribbon Communications as of Q1 2026.

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